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The 6.5mm Grendel is an intermediate cartridge jointly designed by British-American armorer Bill Alexander, competitive shooter Arne Brennan (of Houston, Texas) and Lapua ballistician Janne Pohjoispää, as a low-recoil, high-precision rifle cartridge specifically for the AR-15 platform at medium/long range (200–800 yard).
Advocates for the AR-15 in the Defense Advanced Research Projects Agency acquired 1,000 Air Force AR-15s and shipped them to be tested by the Army of the Republic of Vietnam (ARVN). The South Vietnam soldiers issued glowing reports of the weapon's reliability, recording zero broken parts while firing 80,000 rounds in one stage of testing, and ...
Stage 2: Rapid fire (10 shots in 60 seconds with reload), sitting or kneeling, at 200 yards; Stage 3: Rapid fire (10 shots in 70 seconds with reload), prone, at 300 yards Shooters load 2 rounds in one magazine and 8 in the other, or 5 and 5 in some instances like match rifle. Stage 4: Slow fire (20 shots in 20 minutes), prone, at 600 yards
Ballistically, the .450 Bushmaster has a rather flat trajectory out to 200 yards; if the firearm is zeroed at 150 yards, the user can expect to see a rise of 1.8 inches at 100 yards, zero at 150 yards, and a drop of 4.9 inches at 200 yards. [citation needed] The cartridge fits single-stacked in a standard AR-15 magazine with a single-stack ...
Children are less likely to survive AR-15 wounds. The leading cause of death in children between the ages of 1 and 19 in the U.S. is gun violence, according to a recent New England Journal of ...
It should have an effective range of at least 300 metres (330 yards). Rifles that meet most of these criteria, but not all, are technically not assault rifles, despite frequently being called such. For example: Select-fire Amogh carbines are not assault rifles; their effective range is only 200 yards. [5]
The AR-15 uses an L-type flip, aperture rear sight and it is adjustable with two settings, 0 to 300 meters and 300 to 400 meters. [16] The front sight is a post adjustable for elevation. The rear sight can be adjusted for windage. The sights can be adjusted with a bullet tip or pointed tool. The AR-15 can also mount a scope on the carrying handle.
The AR-15 is without a doubt one of the most ergonomic weapon designs to ever be fielded in large numbers. During the six-magazine endurance test, which admittedly was not a true endurance test but rather a proof of ability test, all evaluators found that it was much easier to change magazines and get the weapon back into action quickly with ...