The pelletized form makes for faster reloads with pre-formed charges that easily drop down the barrel and is easy to pack without the need for measures or funnels. I was planning to switch to 4166 for my .308, but it seems that it has also become nearly impossible to source. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. when enduron works it is often same hole shooting. IMR 4166 powder? This propellant performs comparably to Hodgdon Varget but charge weights are materially different. This powder is comparable to Hodgdon H4831. That provided two sets of velocity numbers. Loading density is perfect for magnums, contributing to superb uniformity. The IMR Enduron line is similar to Hodgdon's Extreme Extruded line, in that it is temperature insensitive. The 6.5 responded well to the precisely weighed powder charges in carefully prepared cases. OAL 2770 Sierra Case . $182.75. of Varget. _gaq.push(['_setAccount', 'UA-6323545-2']); Or maybe have QuickLoad data? .45 ACP and .38 Super, while their rifle offerings range from .223 Remington to .30-06 Springfield. Load data for the new IMR 4166 was taken from Hodgdons 2015 Annual reloading manual, and in increments of .3 grains or less, loads were worked up from 24.0 through 25.1 grains of IMR 4166. .223 Remington (Hodgdon Data Using IMR Powder) reloading data with 221 loads. Or maybe have QuickLoad data? Choosing 4166, I decided to use it in place of my usual choice of Varget in a known accurate cartridge and rifle combination. It's been over two years of this ammo & reloading nightmare. Reviews can only be submitted while being logged in. Every week of WW II, as many munitions were used as in all of WW I. It is an extruded powder and provides top performance for big game cartridges like 25-06, 270 Winchester, 280 Remington and 300 Win Mag, among other cartridges. Enduron powders are formulated to reduce fouling and to be stable across a wide temperature range. IMR 4166 is one of the new Enduron family of propellants. For example, IMR 4166 is a good replacement for Hodgdon Varget (commonly used in the .223 Rem, 6mmBR and .308 Win), while IMR 4955 is a fine substitute for H4831 (favored by F-Open shooters for the .284 Win and 7mm WSM cartridges). Working up a good hunting load with the 4166 Enduron and the Hornaday 150 gr GMX bullets for my 308. When placed and configured optimally, the LabRadar can measure muzzle velocity with +/- 0.1% accuracy, according to the manufacturer. Precision shooters will find an Enduron option well-suited to most of the popular precision cartridge types. Its loading density is perfect for magnum cartridges and contributes to superb uniformity, yielding outstanding performance in 300 Winchester Magnum, 7MM Remington Magnum and .338 Lapua Magnum. IMR now offers four Enduron powders that cover a broad range of burn rates. 5 rounds shot I don't see any info for the A-Max though. In today's shooting you can clearly see the scatter that centers at 45.5 and the obvious OCW at 46.2. Here on Ultimate Reloader you can count on a LOT of AR-15 content coming over the next year: everything from reloading .223/5.56, to hunting, a lot more with suppressors, and some custom AR-15 rifle action! (5.56 x 45 NATO) .223 WSSM .224 Valkyrie .224 Weath. IMR 7977 is a slower burn rate in the Enduron family. _gaq.push(['_setAccount', 'UA-6323545-2']); IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. The folks at PrecisionRifleBlog.com meticulously loaded 6.547 Lapua ammo with each powder using some of the best equipment available. Thread starter cornhusker; Start date Sep 18, 2017; Forums. IMR 4451 Another new Enduron powder that gives top performance in the venerable .30-06, 270 Winchester, and 300 Winchester Short Magnum, to name just a few. .1 to .2 gr accuracy. First run tomorrow. IMR is an acronym for Improved Military Rifle. IMR 4166 is part of their new Enduron line that launched just a few years back. Love the copper fouling eliminator makes cleaning a breeze. This demand lead to an incredible 2.5 billion pounds of smokeless propellants being manufactured by DuPont for Allied Forces in World War II. Reduced Rifle Loads. works great in many cartridges with good to great accuracy. I did the usual load development testing and found that 43.0 gr. IMRs press release provides these descriptions of the new Enduron propellants: IMR 4166 is the first in the series of Enduron propellants. h4895 Reduced Rifle Load. Find load data for IMR 8133 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 8133 is the slowest burn rate in the Enduron family. Be Alert: Publisher cannot be responsible for errors in published load data. In another study, IMR 4166 was identified as the best replacement for Varget between 61F and 103F for .308 F-TR rifles. IMR is bringing out a new series of advanced-formulation extruded powders. This is an all-new extruded powder with a burn rate similar to Hodgdon Varget. I haven't seen any Hornady loads in the manual using 4166. SUBSCRIBE TO OUR NEWSLETTER TO STAY UP ON THE LATEST. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Average extreme velocity spread was only 19 fps for 15 Sierra 142-grain MatchKing bullets fired from prepared cases filled with precisely weighed IMR-4166 charges. temperature stable too. You may not reproduce original text or photos without advanced permission in writing. for 223. So they would likely show much larger swings than what these four top-performing powders showed. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Sierra load data for over 95 Berger bullets in over 65 calibers with all suitable powders on the market. $25.45 This propellant performs comparably to Hodgdon H4350 but charge weights are materially different. Load data should be forthcoming pretty soon. At the 2015 Shot Show they did just that and released the IMR Enduron Line. Using bullets from Nosler BT LF, Barnes VG FB, Nosler BT, SinterFire, Sierra SP, Speer SP, Sierra HP, Barnes TSX FB, Hornady FMJ, Hornady V-Max, Swift Scirocco, Sierra HPBT, JLK VLD, Sierra MK, Berger BT Targ. In this post, I've got some great highlights including the LEE . Will purchase more. imr 4166 for sale .223, .223 loading data imr 4166, .223 rem. Perhaps the new IMR 4166 will be as good or better. When I hit that node It's going to be great. Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. DuPont had historically been a major supplier of military propellants long before becoming one of the handloaders favorite powders. worst groups at .5 moa most groups around the .3 moa mark. Choose from a variety of powders for everything from small-caliber ammo to magnum rifle cartridges in both 1 lb canisters and 8 lb jugs. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. When I approached Chris Hodgdon with the question Does it stop copper from fouling or remove it with each shot? with a smirk he responded Its a proprietary formula. We place limited powder inventory for sale on a regular basis on our website. Clearly, the competitor's 'choice' and the Varmint Hunter's 'dream powder.'. Trail Boss Reduced Rifle Load. Shooter's Reference Load Data for .223 Remington .223 Remington - Published Manufacturer Loading Data Shellholders: Hornady #16 Lee #4 Lyman #26 RCBS #10 Recipe Type: Rifle 55,000 PSI STANDARD SAAMI COMMERCIAL SPECIFICATIONS Pistol CUSTOM LONG THROAT Reduced Load Bullet Weight: ALL 30 gr 34 gr 35 gr 36 gr 40 gr 42 gr 43 gr 45 gr 50 gr 51 gr 52 gr _gaq.push(['_trackPageview']); Is there a different load data site? Select 223 Remington, check off your weights, select IMR, then 4166 I was able ti find a load for two different 55s, a 69, and a 75. 44gr 4166 Find load data for IMR 7828 SSC propellant by clicking the button "Loads for this Powder".More about this powder:IMR 7828 SSC is a magnum rifle powder with exactly the same burn rate as standard IMR 7828 and uses the same data. Across the board, the Enduron line is very insensitive to temperature changes, which is important for both match shooters and hunters. Ive heard some say 4166 is similar to 4064, which I haven't used or have on hand currently. Comprehensive load data for IMR 4166 Enduron reloading powder und technical specifications for this propellant. 7977 is the slowest of the batch, for shoulder thumpers like the .338 Lapua and the .470 Nitro Express. Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR End. 4451 is the medium burning powder, for medium cartridges like the .30-06 Springfield and the .270 Winchester. Assuming all other environmental conditions remain the same, an increase in air temperature will cause a flatter trajectory due to a lower air density (easier for the bullet to cut through the air). Will purchase more. The Rifle: Savage 10fcp, 24" 5r, accustock .308 Win, Vortex Viper PST 4-16 Target distance: 100 yards Shot off front and rear sand bags from a bench Environmentally friendly - Enduron technology is environmentally friendly, crafted using raw materials that are not harmful to the environment. This is a true magnum propellant yielding outstanding performance in 6.5-300 Weatherby, 264 Win Mag, 28 Nosler and 300 Rem Ultra Mag, among other cartridges. Learn more about Enduron powders at www.enduronimr.com. Re: IMR 4166 in .223. This website uses cookies to ensure the best experience possible. I paid $159.00 for 8# Varget at Shooters last time I was up there. The Enduron Technology powders are available in one-pound (1 lb) and eight-pound (8-lb) containers from quality reloading retailers. Reloading 223 Rem./5.56mm is mostly the usual routine. Some of our Forum members have reported excellent results with IMR 4166 in cartridges that work with Varget, such as the 6mmBR, 6 Dasher, 6.547 Lapua, and .308 Win. I hope to get to .5 moa consistently anything better will be nice. These new powders should compete directly with the Hodgdon Extreme Series, which gives shooters more temp-stable powder options to consider. It was less accurate than 4 other powders. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. . It is equally effective in small-capacity varmint cartridges from 223 Remington to 22-250 Remington, and it's a great 30-30 Winchester powder. ARCHIVED. Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. It may not display this or other websites correctly. IMR 4451 had the largest swing in muzzle velocity of the powders tested, but keep in mind just 68 fps over 115 F swing is still a good performance. IMRs press release states: IMR 4166 [has] a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington and dozens more.. : (913) 362-9455; E-mail: [emailprotected]; Web: www.imrpowder.com, (Disclaimer: The loads described above were safe for this rifle, on this particular day. This powder is comparable to Hodgdon H4350. $49.99 - $357.99 4.48 17 reviews IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. The IMR brand was created under the DuPont Corporation. Then Try IMR 4166 Powder, Powder Temp Stability IMR Enduron vs. H4350 and Varget, http://precisionrifleblog.com/2016/06/19/powder-temp-stability-hodgdon-extreme-vs-imr-enduron/, Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme, Guide to IMRs Enduron Powders What You Need to Know, Powder Valley has new IMR 4166 Powder in Stock, IMR Introduces New Enduron Powders: 4166, 4451, 7977. When we are sold out, we are sold out. _gaq.push(['_setDomainName', '.accurateshooter.com']); Once they had a couple dozen rounds loaded with each powder, they went and shot them with each powder at 25 F, 65 F, and 140 F. The muzzle velocity of each shot was recorded using both a LabRadar Doppler Radar and a MagnetoSpeed Chronograph. Find load data for IMR 4350 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4350 is a medium- to slow-burn rate propellant and is the number one choice for the new short magnums, both Remington and Winchester versions. IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. Fired from My Rock River Arms National Match upper, these rounds consistently fetch accuracy in the .75 to 1.25 MOA area. No reviews found. Then Try IMR 4166 Powder", A couple seasons back, PrecisionRifleBlog.com (PRB) published a significant field test of powder temperature stability. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Hodgdon's excellent online reloading data show only IMR 4007SSC, IMR 4166, IMR 8208XBR, and Hodgdon CFE 223 breaking 3,750 fps with a 55-grain bullet in a 24-inch test barrel. On the official Hodgdon/IMR burn rate chart, IMR 4166 is between H4895 and Varget. Testing consisted of a single 5-shot group of each incrementmental charge weight just to get a rough feel for the potential of this powder. This propellant performs comparably to Hodgdon H4831 but charge weights are materially different. Whether youre reloading for the first time or an experienced reloader who desires elite powder, IMR is a company that should be on your radar. . http://www.hodgdonreloading.com/data/rifle, Hoping to find a fat girl to slurp my eel, http://optimalchargeweight.embarqspace.com/, http://www.northeastshooters.com/vbse-a-little-help-with-target-analysis-for-OCW. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. It is primarily a pistol powder but has some application in rifles. Finally, Enduron powders are environmentally-friendly, crafted from raw materials that are not harmful to the environment. The weight of a kernel of 4166 was almost double the weight of a kernel of H4895, and they were clearly larger. I went to the IMR site and it takes you to hodgdon's loading site. In rifles, this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball. CL 2.005 For info on other IMR powders, visit www.imrpowder.com. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. Choose a IMR powder and find the respective load data for it. In addition, it is a longtime favorite of Match shooters. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; Bullets ranged from 50- 77 grain , same bullets shot very well with Varget anf H4895 . We place limited powder inventory for sale on a regular basis on our website. So they would likely show much larger swings than what these four top-performing powders showed. Any gunpowder required by handloaders can be sourced through these brands. The top shooters in the PRS and veteran long-range shooters in other disciplines have learned to value a temperature-stable powder. For info on other IMR powders, visit www.imrpowder.com. The new powder line-up comes in three flavors: 4166, 4451 and 7977. Shooters has been keeping it around $20/lb if you buy in quantity. I shot a 4.125", 10-shot group at 600 yds - well under 1 MOA and slightly better than my Varget loads, although they were close enough that I attribute the difference to the shooter. Versatility with uniformity and accuracy. VAT (where applicable), shipping costs and possible delivery charges. The new line of IMR Enduron powders feature small kernels for easy metering, plus a built-in copper fouling eliminator. Being a short-grain extruded powder it can be dumped from a powder measure; however I always opt to use a dispenser like the Hornady Auto charge. Anyone seen/tried this combo? It is available right now at Powder Valley in both one-pound ($25.45) and 8-pound ($182.75) containers: IMR4166-01: IMR 4166 1 LB. Picked up a lb of this stuff to do a little testing with, see if it compares to Varget for accuracy in .223. View Product Warning DEALER LOCATOR When we are sold out, we are sold out. Between 1/3 and 1/2 MOA for 5 shot groups at 200yd. IMR 4451 is a mid-range burn speed powder, ideally suited for cartridges such as .270 Winchester, .30-06 and 300 Winchester Short Magnum. Find load data for IMR 4198 propellant by clicking the button "Loads for this Powder".More about this powder:This fast-burning rifle powder gives outstanding performance in cartridges like the 222 Remington, 221 Fireball, 45-70, and 450 Marlin. IMR 4166 possesses the fastest burn rate in the Enduron lineup. Temperature change stability the Enduron line is insensitive to temperature changes. $40.99 - $270.99. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Find load data for IMR 4064 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4064 is a medium-range burn speed powder and is one of the most versatile propellant in the IMR line, used for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Super Short Magnum, 308 Winchester, 338 Winchester Magnum, and the list goes on and on. JavaScript is disabled. Other than that , great job, thanks. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. For this reason, the IMR brand powders truly are Legendary products. Generally no two rifles will like the same exact load. Well, Im done Adulting for Today and Tomorrow. The maxorder quantity of any powder SKU is. Clean and inspect the cases, lube and full-length resize/decap, clean, and inspect them again. IMR 4166 possesses the fastest burn rate in the Enduron lineup. This propellant is ideally suited for many mid-range burn speed cartridges. Powders include IMR It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Being one of the easiest people in the industry to talk to, a secret this guarded certainly sparked my curiosity, so I made sure to order a test sample. The rifle was placed on the 50 yard line and supported both fore and aft by sandbags. For example, IMR 4166 is a good replacement for Hodgdon Varget (commonly used in the .223 Rem, 6mmBR and .308 Win), while IMR 4955 is a fine substitute for H4831 (favored by F-Open shooters for the .284 Win and 7mm WSM cartridges). Sign up to get updates and access to exclusive promotions. When will Enduron powders appear on dealers shelves? Hodgdon Extreme Series powders have attracted quite a fan base, with over 90% of the top shooters in the Precision Rifle Series choosing to run one of those powders. In 2015, IMR will introduce three (3) new Enduron powders: IMR 4166, IMR 4451, and IMR 7977. This powder is comparable to Hodgdon H4350. Find load data for IMR 4955 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4955 is a versatile, match-grade propellant with a mid-range burn speed that is in between IMR4451 and IMR7977. Was looking for an equivalent powder from H4895 when I ran into the 4166. You can find that here: http://precisionrifleblog.com/2016/06/19/powder-temp-stability-hodgdon-extreme-vs-imr-enduron/, Share the post "Powder Temp Stability IMR Enduron vs. H4350 and Varget". Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. Loading density is perfect for the very large magnums, including the 6.5mm and 7mm magnums. Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder". Are your groups that good ? [ARCHIVED THREAD] - IMR 4166 .223 Rem. They list loads for Sperry SP and Barnes TTSX in 55gr weights. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Reloading for 223/556 Service Rifle Competition (NRA/CMP bullseye . ALL THE LOAD DATA YOU'LL EVER NEED ALL IN ONE PLACE! spitzer boat tail & imr 4166, .223 rem. I much prefer IMR 8208 XBR for the 223. flyfisher117 Professional Milk Jug Hunter. In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. IMR 7977 is the slowest burn rate Enduron Technology powder. You are using an out of date browser. I've had good luck with 8208 with 77gr SMK's and 69gr Nosler Competition Customs Hoon Rating - 100% 1 0 0 Joined Mar 2, 2013 Messages IMR 4166 possesses the fastest burn rate in the Enduron lineup. PRBs testers explain the full set of equipment and steps in their loading process in the Full Test Report. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. IMR 4166 was released a few years ago as a temperature insensitive powder that is expected to replace 4064. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. First used in battle in 1805 by United States naval forces against pirates off the coast of Algiers, DuPont supplied more than 80% of Allied Forces powder needs in World War I. Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between temperatures of 25 F and 140 F. IMR 4166 performed very similar to Varget, and proved to be fairly insensitive to large swings in temperature. Subscribe to the free newsletter and do not miss any news or promotions. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 7977 is a slower burn rate in the Enduron family. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. The technology in IMRs Enduron line of powders provides four very important qualities that enhance both in-gun and downrange performance. Varmint shooters with small-bore cartridges love it. I use this powder in my 6mm dasher bench gun. Load data for the new IMR 4166 was taken from Hodgdon's 2015 Annual reloading manual, and in increments of .3 grains or less, loads were worked up from 24.0 through 25.1 grains of IMR 4166. Today, only the newest reloading fuels can exceed that with a 55-grain bullet in the commercial .22-250. Grab some at your nearest dealer, or for more information, contact IMR Powder Company; Tel. IMR 8208 XBR is accurate, clean-burning, and offers good velocity. It may not display this or other websites correctly. This is a true magnum propellant yielding outstanding performance in .300 Winchester Magnum, 7mm Remington Magnum and .338 Lapua Magnum. Optimal load density - Enduron powders provide optimal load density, assisting in maintaining low standard deviations in velocity and pressure, a key feature for top accuracy. Great stuff! This allows up to 4% more powder space in the case and in many loads yields more velocity than standard 7828. The accuracy results were almost identical to those of Varget, with my best group coming in at 1.05 MOA from a 24.6-grain charge of 4166not bad for an initial round of load development. For those who ask.I am obviously loading for a 556 NOT a 223. otherwise why mention I would be using only cases marked as 556! For example, variation in velocity does NOT appear to be linear across the full range of temperatures. This Enduron series powder is temp-stable and accurate. Posted: 7/2/2021 8:19:25 PM EST. (The only two .45-70's I own are trapdoor Springfields.) The maxorder quantity of any powder SKU is, https://shop.hodgdon.com/sites/www/files/2022-04/2022-IMR%20Endurons%20SDS.pdf, https://shop.hodgdon.com/sites/www/files/2020-08/sell-sheet-imr-enduron-final.p. Most powders arent specially formulated to be temperature stable. IMR 7977 has the slowest burn rate among the Enduron Technology powders. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. Share the post "Powder Valley has new IMR 4166 Powder in Stock". Find load data for IMR 4895 propellant by clicking the button "Loads for this Powder".More about this powder:Originally a military powder featured in the 30-06, IMR 4895 is extremely versatile as a medium burn speed propellant. The technology in IMRs Enduron line of powders provides four very important qualities that enhance both in-gun and downrange performance. If a pistol says Magnum, IMR 4227 is the choice for true magnum velocities and performance. It provides top performance in big game cartridges such as 25-06, 280 Remington and 300 Winchester Magnum. I'm using this in my Tikka CTR 223 under 73 gr Berger BT target bullets. Menu & Links IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. For a better experience, please enable JavaScript in your browser before proceeding. The Hide Armory. _gaq.push(['_setDomainName', '.accurateshooter.com']); IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. More about this powder: IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. If you are the site owner (or you manage this site), please whitelist your IP or if you think this block is an error please open a support ticket and make sure to include the block details (displayed in the box below), so we can assist you in troubleshooting the issue. As a medium burn speed propellant, XBR is ideally suited for cartridges like the 223 Remington/5.56mm, 308 Winchester/7.62mm NATO and the 6mm PPC. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. The responsible reloader always errs on the side of caution, so I decided to stop there. VAT (where applicable), shipping costs and possible delivery charges. Second, Enduron powders are all very temp-stable. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. _gaq.push(['_trackPageview']); One member wrote: in my 6.547 IMR 4166 gives speeds and accuracy pretty much exactly the same as Varget. And other shooters have observed reduced copper fouling with Enduron series powders, so IMRs Enduron anti-fouling chemistry does seem to work. The first IMR reloading powders included ever popular favorites IMR3031 (1934), IMR4064 (1935) and IMR4350 (1940). IMR 4166 Enduron You may not reproduce original text or photos without advanced permission in writing. 2. Share the post "IMR Introduces New Enduron Powders: 4166, 4451, 7977". It is a true magnum cartridge propellant with outstanding performance in such cartridges as the .300 Winchester Magnum, 7mm Remington Magnum, .338 Lapua and more. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly.
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