This is why I shoot IMI M193, a Colt 6720 pencil barreled carbine with a T2 Aimpoint on top at 100 yards. I can't shoot a red dot any better with better ammo. This was bought at .35 a round.
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This is my 6920 with 77 gr NCC reloads and an Aimpoint PRO at 100 yards.
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IMI M193 is great practice ammo and it's plenty accurate for that.