Quoted: Privet, and welcome to this board. I myself am a fairly new member. I speak a little russian also, if you need any help.
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Privet! )) Thank you if that that will incomprehensibly, I shall write h=85% Quoted: I believe the latest 5.56mm cartridge, the Mk 262 77grain
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I seem twist 1:7 and 1:9 on any AR15 will little for 77gr
On experience of local our police bodies, the acquaintance of mine, can say that to shoot for instance from AKSU it is necessary only 55gr (standard 5,45õ39), at shooting 5,45õ39 69gr scatter will very big (accuracy very bad) on 50, 75, 100ì
Remain under its opinion, size has importance, 7,62õ39 PRESENTLY while the most predictable from all calibre assault rifle although he and not exact. What will come up for broad spreading 6,8SPC or that that like it, and if he will be real best on all feature, shall take second AR15 under this calibre without fall.