![]() ![]() If the 5.56x45 mm NATO cartridge produces such poor terminal ballistics, why has it been essentially copied, not just once but twice? First by the Russians circa 1974 in the 5.45x39mm and again circa 1997 by the Chinese in the 5.8x42mm DBP87?. Quoted: I have posed this question on this board before and have yet to get a single anwser. The follow on question then is: In the rush to condemn the 5.56x45mm NATO cartridge and replace it with either the 6.8x43mm SPC or 6.5x 4939mm Grendel are we overlooking something?Įdit: correction made to the Grendel dimensions Please feel free to make any corrections to the specs., but please provide a reference. I do not think that wikipedia is the most reliable source but these results seem to be similar to other web sources on these cartridges that I have read. ![]() If the 5.56x45 mm NATO cartridge produces such poor terminal ballistics, why has it been essentially copied, not just once but twice? First by the Russians circa 1974 in the 5.45x39mm and again circa 1997 by the Chinese in the 5.8x42mm DBP87?Ħ3 gr bullet at 31 ft-lbs (20-inch barrel(2))ĥ0 gr bullet at 3000 fps 971 ft-lbs (16.6-inch barrel)Ħ4 gr bullet at 31 ft-lbs (?-inch barrel(5))Ģ.) This velocity degrades to about 2700-2800 fps from a 14-16 inch barrelĥ.) It appears that the QBZ95 come in three barrel lengths 463mm, 557mm, and 326mm. I have posed this question on this board before and have yet to get a single answer. ![]()
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