";s:4:"text";s:6955:"Then, there was some rumors floating around that Federal started using RL-15 instead of IMR-4064… Lower this charge by at least 1.0 full grain if you use surplus military brass (Lake City, IMI, etc. 4064 has fairly predictable accuracy nodes in commonly available brass. It was obviously still a prototype design and needed further development. … Managing chamber and port pressures is a major consideration when shooting a direct-impingement, gas-operated AR-style rifle. Reactions: shootbrownelk. And to achieve the 30-06’s ballistic performance in the smaller-capacity case, the maximum chamber pressure was increased slightly. After releasing the bolt/carrier assembly, I simply grasped the charging handle to see if the bolt could be easily pulled rearward to extract the empty case. Mind you, if you're not using match grade bullets it doesn't really matter. No powder … Match bullet. ArmaLite designed a scaled-down AR-15 chambered for a .22-caliber round. Both of these shoot extremely well. I'm NOT an expert, nor did I stay at a Holiday Inn Express last night. I proceeded to the range with boxes of Federal and Hornady 308 Winchester match ammo and a couple of my handloads, intending to fire a few groups to break in and familiarize myself with the new rifle. But more on that later. I included almost every Hodgdon, IMR, and Winchester propellant (from H322 to CFE 223) listed in the Hodgdon Annual Manual. they are very close to federal premium i believe. ArmaLite continued to market the AR-10 to foreign governments but with little success and more mishaps. FMJ's, 150 grain Noslers, 165 Gr. I eventually learned I would have to load faster burn rate propellants. Lots like It but varget just doesnt work zIn rifle. ALL 57 gr 100 gr 110 gr 115 gr 123 gr 125 gr 130 gr 135 gr 140 gr 150 gr 154 gr 155 gr 165 gr 167 gr 168 gr 170 gr 175 gr 178 gr 180 gr 185 gr 190 gr 200 gr 205 gr 208 gr 210 gr 220 gr. I have been using 43 grains of IMR 4895 with 165 grain Hornady and Speer bullets. 4064 is an excellent powder for 168 gr in 308. Testing the 175gr Sierra Match King in our new JP SuperMatch .308 Win barrel using IMR 4064. To determine case capacity, I weigh a clean, fired case and fill it with water to the bottom of the neck. Multiple failures to feed, weak case extraction/ejection, blurred/burred headstamps, so-so accuracy, etc., suggested the AR-10’s direct-impingement gas system was, apparently, more difficult to manage than my AR-15’s. Initially, the goal was modest: develop a shorter .30-caliber round with similar ballistics chambered in a modified M1. Obviously, I’d attempted to avoid excessive headspace too diligently. I resized a different case, and that time the shoulder was set back just enough to readily chamber and extract. However, cases fired in the Sun Devil rifle always felt a bit above flush, i.e., the fired case shoulder had been fireformed to the 7.62 NATO chamber’s slightly greater headspace. I thought I would give it a try in my Rem 700 SPS 308 Win. Note the Federal and Lapua match case weights; they are almost as heavy as the military samples. I own a Savage Model 12 that hates Varget with 150-168 GR bullets.. Maintaining headspace is always important, but it’s critical in an autoloading rifle. Be sure to enter the NES/MFS February Giveaway ***Smith & Wesson Bodyguard 380***. The .308 Winchester is not only a historic battlefield caliber, it is an established match caliber and one of the best all-around North American hunting calibers. The Winchester WinClean 244 is a nice addition to Winchester's handgun powders. However, if you're spending the extra money for them, extremely accurate loading will improve your accuracy. Speer Hot Core SPBT's, 168 Grain Sierra's, 175 Grain Sierra's. anyone besides myself like and shoot 38 special? Notes: Velocity was measured with an Oehler M35P chronograph at 8 feet from the gun’s muzzle. Eventually, in 1957, the M14 was chosen over the ArmaLite AR-10 and the FN FAL as the Army’s new battle rifle. JavaScript is disabled. The case heads of commercial 308 factory loads I checked always fit the gauge just below flush of the max reference surface. The final military configuration was not adopted by the Army for two more years, so there are both physical and ballistic differences between the 7.62x51mm and the 308 Winchester cartridges. All Rights Reserved. I've not had the same result in at least one rifle with Varget.. The rest of this story is marked with many missteps, but eventually, the military adopted the AR-15/M16 to complement (i.e., essentially replace) the short-lived M14. Got my glass mounted and the barrel "broke in" lol and the scope on paper. Then I trimmed the test case to minimum length and dropped it into the chamber. Very accurate and recoil is a gentle push. Within a month, I received a larger, but just as finely crafted, rifle featuring a stiff, 22-inch stainless Lothar Walther barrel fitted with a muzzle brake. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. I weigh it again and subtract the empty weight. Aug 25, 2020 #7 S. shootbrownelk Well-known member. SMK over 41.7 Gr. I found loading 100 to 150 fps under maximum provides satisfactory accuracy and ensures reliable operation. Essentially an “improved,” next generation Garand, the M14 was a little lighter and eliminated or replaced the M1’s undesirable features. As you can see in the case weight and capacity chart, IMR 4064 was the universal selection for 165- to 168-grain bullets. My experience indicated I should stay within the range of IMR 3031 (fastest) and CFE 223 (slowest) when loading for my 308 Sun Devil rifle. I have been told on good athorty that switching the SMK168 for the AMAX 168 is fine, I have had no worries about it. 47.5 gr. I'm aware of that, but thanks for contributing. IMR 4064, LC Match, Fed 210 Primer 168 gr. Standard accuracy load with 168 grain match bullets in .308 is usually stated around 42.0 or 42.5 grains of IMR-4064. IMR-4064 worked pretty well, but the definite overall best powder with 150s was Varget. Results with the 168-grain bullets were more consistent overall, … Hornady 168 BTHPs are 1.23" in length and Sierra 168 MKs are 1.215", less than 2% difference. IMR 4064 Is what my. Again, this program proceeded so slowly that ArmaLite eventually sold the new rifle’s production rights to Colt. Springfield Armory was in charge of developing the companion selective-fire rifle. This was just at a starting load of 4064 of 43.5 gr. I started reading about the new 4166 and found that it is … I have went months without coming across Varget. add to cart. I agree that 5 shot groups (minimum) are the gold standard for accuracy results. As soon as I experienced functioning problems, I ordered an RCBS Precision Mic and a 308 Winchester case gauge from Dillon to better understand and verify proper headspace. ";s:7:"keyword";s:26:"imr 4064 for 308 168 grain";s:5:"links";s:1154:"Pad Eye Plate Lowe's,
Bushdoctor Coco Loco Reviews,
Mandy Pick Up Lines,
Core 15 Scout Price,
Why Is Q Scared Of Guinan,
Diabetic Snacks Online,
Ratio Chart Tradingview,
Floor Function Calculator Ti-84,
Best Turbografx Cd Games,
How To Make Garlic Sauce With Mayonnaise,
";s:7:"expired";i:-1;}