5.56 NATO load data 69 - 77 grain | Sniper's Hide Forum
2023年8月23日 · Sep 4, 2023. #1. I’ve been looking around for some load data for 5.56 69 - 77 grain bullets. Specifically for 556 pressures not 223 Remington. I’ve been looking around for load data on this, but it seems that most people provide 223 Remington data, which is a bit cooler then 556 data. It’s also hard to distinguish between the two because ...
77, 75, 69 vs 62 gr 5.56 choices? | Sniper's Hide Forum
2019年12月11日 · Oct 4, 2023. #4. Basically, 62-64 grain bonded "type" bullets, such as Nosler Bonded, or Bear Claw, or etc are better through " barriers" and 77 grains are better at "everything" else. But this is the deciding factor to help close the issue. 77 grain OTM Berger's, etc, are literally HALF the group size as any bonded 62-64 grain, which is not a ...
Black Hills MK262 Mod1 Accuracy Evaluation - Sniper's Hide
2020年2月26日 · MK262 Mod 1 is loaded in WCC 5.56mm brass and uses a cannelured version of the 77 grain Sierra MatchKing. The round is charged with a proprietary ball powder. The primer pockets are crimped and sealed. Contrary to erroneous information that has been posted on the Internet, MK262 Mod 1 does not have case-mouth sealant.
Sig Elite 5.56 NATO 77 grain chrono results - Sniper's Hide
2022年8月2日 · The Copper Creek 77 grain clocked in at 2433 FPS that same day, which is similar to the chro results I saw online for Sig’s 223 77 grain load, so it seemed the chrono was working right, but I still had my doubts. I went back out and clocked the Sig 5.56 ammo on my new labradar this weekend and it come in at 2843 FPS, so it appears 100% legit ...
77 grain 5.56 Options - AR15.COM
2022年8月1日 · Quote History. Quoted: I have had good results with 77 gr IMI out of 14.5 inch Colt SOCOM barrel, as well as the Frontier 75 gr. Farthest shot on steel with that barrel is 750 meters using the 75 gr Frontier ammo and 600 with the 77 gr IMI, and both rounds group at 1 inch or better at 100 meters.
Black Hills 77 grain 223 vs 5.56 | Sniper's Hide Forum
May 11, 2012. #1. Since Black Hills "declassified" the 5.56mm 77OTM (Mk262 mod1) and allowed its commercial sale, I get the question about the difference between 223 and 5.56mm quite often. Black Hills no longer loads different bullets for the 77gr in 223/556, EVERYTHING is the 77gr Sierra SMK with cannelure (as used in the Mk262 mod1).
Black Hills 5.56mm 77 Grain Tipped MatchKing Accuracy …
2020年2月26日 · Aug 7, 2023. #1. Aug 7, 2023. #1. Black Hills 5.56mm 77 Grain Tipped MatchKing Accuracy Evaluation UpdateIn 2016 I posted an in-depth review of the Black Hills 5.56 77 grain Tipped MatchKing ammunition. Three 10-shot groups of that 2016 lot had an average extreme spread of 1.26”. The smallest of those groups had an extreme spread of 1.14 ...
MK262 clone 77Grain 5.56 load problems / updated OCW tests
2013年8月30日 · 26. Progressive Hell, CO. Jun 20, 2013. #1. So I started off with a goal of building a 77 grain 5.56 load capable of 1moa for my new project. It’s an 18” Noveske SPR Suppressed. Well, that’s where I started and it seems I am still there…. In a perfect world, or rather normal world, I would have a number of choices for components.
favorite Powder for 5.56 / 223 using 77 gr SMK - Sniper's Hide
2006年12月31日 · Re: favorite Powder for 5.56 / 223 using 77 gr SMK. 23.5 H4895. 23.2 IMR 8208. 24.5 Varget. 24.0 RE15. 24.5 N140. 23.5 N135. That should get you started. Those are in order of accuracy for me in several rifles, the H4895 was best in everything.
Black Hills 5.56mm 77 Grain Tipped MatchKing Ammunition
2020年3月28日 · The 77 grain Tipped MatchKing is the longest bullet (that I’m aware of) that is currently being loaded by a major manufacturer to magazine length for the 5.56mm cartridge. With a nominal length of 1.070”, the 77 grain Tipped MatchKing is 0.335” longer than a 55 grain FMJ bullet and 0.085” longer than the standard Sierra 77 grain MatchKing.