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! In today's shooting you can clearly see the scatter that centers at 45.5 and the obvious OCW at 46.2. These short-grain, extruded powders will deliver temperature insensitive quality while keeping copper residue to a minimum. Where to Find IMR 4166 Powder _gaq.push(['_setAccount', 'UA-6323545-2']); Guide to IMR Enduron Powders Temp Stable, Reduced Fouling, IMR Introduces New Enduron Powders: 4166, 4451, 7977, Guide to IMRs Enduron Powders What You Need to Know, IMR Enduron 8133 New Slow-Burn-Rate Magnum Powder, IMR Powders introduces IMR 4955 Enduron Powder. IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. Generally no two rifles will like the same exact load. So far IMR4166 has worked great for me in the .243 Winchester with light bullets, the .257 Roberts with 75-100 grains bullets, .308 Winchester with 150's and 168's, the .303 British, 8x57 and .45-70 with "low pressure" loads. For info on other IMR powders, visit www.imrpowder.com. Thats because a change in temperature can affect the trajectory or flight path of the bullet in two well-known ways: 1. Posted: 7/2/2021 8:19:25 PM EST. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. More about this powder: IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. We place limited powder inventory for sale on a regular basis on our website. Moving on, the individual loads were fired and the barrel was allowed to cool between each group. The 6.5 responded well to the precisely weighed powder charges in carefully prepared cases. Choosing 4166, I decided to use it in place of my usual choice of Varget in a known accurate cartridge and rifle combination. However, to up the ante the Enduron line also utilizes copper fouling reducing technology to help keep your bore free of the hard to remove copper. IMR 4451 is a mid-range burn speed powder, ideally suited for cartridges such as .270 Winchester, .30-06 and 300 Winchester Short Magnum. 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. Some powders are more affected by changes in temperature than others. IMR now offers five (5) Enduron powders: IMR 4166, IMR 4451, IMR 4955, IMR 7977, and IMR 8133. I'm looking for some load data for the 55gr V-Max in 223 Remington with IMR 4166. Anyway, I like the 4166! when enduron works it is often same hole shooting. I have had good luck with 4166 in .223 bolt rifles. Love the copper fouling eliminator makes cleaning a breeze, Posted by Paul rosenkranz on Nov 9th 2021. Reviews can only be submitted while being logged in. OK, we're down to 1/3 MOA with a bit more to go. IMR now offers four Enduron powders that cover a broad range of burn rates. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. IMR 4451 is a mid-range burn speed powder, ideally suited for cartridges such as .270 Winchester, .30-06 and 300 Winchester Short Magnum. Very consistent velocity, quality powder, not so good on powder throw due to it being a stick powder. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. Villain Weapon Systems ATPIAL-C EFL -- Enhanced Class 3R Performance Available Now from TNVC! 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. 110 PCS pistol, 2022 Editors Choice Award Winning Ruger 5.7 LC Carbine, 2022 Editors Choice Award Winning Mossberg 940 Pro Tactical 12-gauge, Fiocchi Introduces New 5.7x28mm Subsonic Ammo, Lehigh Defense 115-gr. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. IMRs press release states: IMR 4166 [has] a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington, 257 Roberts and dozens more.. JavaScript is disabled. We place limited powder inventory for sale on a regular basis on our website. 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. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; First run tomorrow. IMR powder has long been a choice powder for knowledgeable reloaders. 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. 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. Many F-Open competitors are now using Reloder 16 with considerable success. IMR offers a modern line of powders with Enduron Technology which is also marketed to have extreme temperature stability. Loading density is perfect for magnums, contributing to superb uniformity. Working up a good hunting load with the 4166 Enduron and the Hornaday 150 gr GMX bullets for my 308. They list loads for Sperry SP and Barnes TTSX in 55gr weights. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. For example, variation in velocity does NOT appear to be linear across the full range of temperatures. 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. ), AR Issue 2022 Gun & Gear Giveaway Contest, Editors Choice Gun & Gear Giveaway Contest, Fall Hunting 2021 Gear & Giveaway Contest, Defensive Handgun Gun & Gear Giveaway Contest, Defensive Handgun Issue Gun & Gear Giveaway, The Hunter to the Hunted: Savage Arms Introduces New 110 Carbon, Wilson Combat 300 HAMR Barrel Conversion, 2022 Editors Choice Award Winning SIG Sauer P322 .22LR, 2022 Editors Choice Award Winning Savage Mo. So they would likely show much larger swings than what these four top-performing powders showed. very consistent in .243 shooting 65gr vmax and 3550 fps. If this is true, these powders should prove popular, particularly IMR 4166 which seems to be in the Varget/Reloder 15 burn-rate range. Load data should be forthcoming pretty soon. 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. IMR 7977 is comparable to Hodgdon H1000. For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. That means swings in ambient outside temperature can affect your internal ballistics, which will directly affect your muzzle velocity, which will change your bullets trajectory. 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". Menu & Links 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). The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Loading density is perfect for magnums, contributing to superb uniformity. At 600 yds, the POI with 4166 loads was about 1.2 MOA higher than when using 43.2 gr. 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). IMR recently released a new line of powders with Enduron Technology which is also marketed to have extreme temperature stability. Most powders arent specially formulated to be temperature stable. bolt reload data with 65 gr. Access from your Country was disabled by the administrator. The same increase in temperature also causes the nitrocellulose-based powder inside the cartridge to burn at a higher rate, producing approximately four times the Point of Impact (POI) shift than just air temperature alone. I was planning to switch to 4166 for my .308, but it seems that it has also become nearly impossible to source. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. IMR 4166 Enduron Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. IMR 4166 is part of their new Enduron line that launched just a few years back. This is an all-new extruded powder with a burn rate similar to Hodgdon Varget. Today, only the newest reloading fuels can exceed that with a 55-grain bullet in the commercial .22-250. Clean and inspect the cases, lube and full-length resize/decap, clean, and inspect them again. My factory sierra high 2576 The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. As with all load development, reference a credible reloading manual, then start at the minimum and work up in small increments. so I am thinking till powder does come available, load one or 2 levels under Max for a 223 into the 556 cases. I much prefer IMR 8208 XBR for the 223. flyfisher117 Professional Milk Jug Hunter. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. 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. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. 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. 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 Anyone seen/tried this combo? I don't see any info for the A-Max though. . Thanks, Was looking for an equivalent powder from H4895 when I ran into the 4166. IMR now offers four Enduron powders that cover a broad range of burn rates. Find load data for IMR 4451 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4451 is a versatile, match-grade propellant with a mid-range burn speed in the Enduron line. IMR 8208 XBR is accurate, clean-burning, and offers good velocity. Tried their 7977 in a magnum rifle and it had same accuracy as H1000. To me that says Gebby got it right long ago. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. It provides top performance in big game cartridges such as 25-06, 280 Remington and 300 Winchester Magnum. ga.src = ('https:' == document.location.protocol ? Taking the rifle back to the workbench for a cleanup proved the claimit had virtually no copper fouling, as proven by the absence of a blue hue in the exiting patch soaked in Sweets 7.62 bore solvent. In fact, E. I. duPont arrived in America in 1800 determined to make an improved gunpowder and, by 1802, was producing gunpowder in a new plant along the Brandywine River in Wilmington, Delaware (this plant morphed into what is today the GOEX brand of black powder). Fired from My Rock River Arms National Match upper, these rounds consistently fetch accuracy in the .75 to 1.25 MOA area. Plain cartridges, in contrast, turned in an average extreme spread of 51 fps. Learn more about Enduron powders at www.enduronimr.com. Shooters has been keeping it around $20/lb if you buy in quantity. Grab some at your nearest dealer, or for more information, contact IMR Powder Company; Tel. First load. These are the first groups with this powder. Find load data for IMR 3031 propellant by clicking the button "Loads for this Powder".More about this powder:A medium burn speed propellant with many uses, IMR 3031 has long been a favorite of 308 Match shooters using 168-grain match bullets. both should give you specific info. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. (SEE: Temperature Effects On Zero on KestrelMeters.com.). IMR 7977 has the slowest burn rate among the Enduron Technology powders. Clearly, the competitor's 'choice' and the Varmint Hunter's 'dream powder.'. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); Environmentally friendly - Enduron technology is environmentally friendly, crafted using raw materials that are not harmful to the environment. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); I'm very happy with this powder. Loading density is perfect for the very large magnums, including the 6.5mm and 7mm magnums. I didn't want to like this stuffI figured I was likely buying marketing hype for $31/lb at my LGS. CL 2.005 works great in many cartridges with good to great accuracy. OAL 2770 Sierra Case The new line of IMR Enduron powders feature small kernels for easy metering, plus a built-in copper fouling eliminator. It provides top velocities and performance with heavier bullets in medium-sized magnums. Powders include IMR Very happy with the results. Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. 3, tried this powder and same bullet in the grandson's Ruger77 .223. Posted by Christopher Brown on Apr 19th 2022. Be the first to share your insights. (function() { IMR 4166 Enduron Thanks, Posted by Phillip Jackson on Aug 1st 2021. Give it a try if you've already purchased it. 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. $25.45 Final diagnosis: This powder is certainly a winner in the accuracy field, and if the cleanup continues to be this simple it is sure to find a home on my reloading bench. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. However, Alliants relatively new Reloder 16 is an extremely temp-stable powder, with a burn rate that is a close match to H4350. IMR 4166 is one of the new Enduron family of propellants. .1 to .2 gr accuracy. If you enjoy the forum please consider supporting it by signing up for aNES Membership The benefits pay for the membership many times over. Improved Military Rifle IMR 3031 Improved Military Rifle IMR 4064: 5.56 x 45 mm: Accurate 2495 VihtaVuori N135 VihtaVuori N140: Hodgdon CFE 223 Hodgdon H 335 Improved Military Rifle IMR 8208 XBR VihtaVuori N530 VihtaVuori N540: 5.6 x 50 Magnum: Improved Military Rifle IMR 4064 Winchester 748: 5.6 x 57: Improved Military Rifle IMR 4320: 5.7 x 28 . This included the top-of-the-line Prometheus Gen II Powder Scale, which is capable of loading to the nearest kernel of powder. 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. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. PrecisionRifleBlog.com (PRB) recently published results from a field test PRB conducted to quantify the temperature stability of the popular Hodgdon H4350 and Varget powders and compare those to IMRs new Enduron line of powders, specifically IMR 4166 and 4451. The 223 is the most common round. I use in 243 Win and 6.5 CM. I hope to get to .5 moa consistently anything better will be nice. _gaq.push(['_setAccount', 'UA-6323545-2']); 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. We do not take backorders and our Tech Services team cannot take orders via email or phone. Minuteman. This powder is comparable to Hodgdon H4350. Newtosavage Dec 9, 2020 #9 ericwh Well Known Rokslider Joined Mar 9, 2017 Messages 479 Location PA Powder Temp Stability: Hodgdon Extreme vs. IMR Enduron Perhaps the new IMR 4166 will be as good or better. The rifle was placed on the 50 yard line and supported both fore and aft by sandbags. Each of these are still favorites with handloaders today! Any gunpowder required by handloaders can be sourced through these brands.

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