This flattop A3 upper receiver comes complete with charging handle, bolt carrier assembly, aluminum tubular free-float handguard, Picatinny-style rail gas block and target crowned muzzle. The 416 stainless steel, 20" bull barrel has a 1 in 10" rate of twist and is chambered for 222 Remington. Ready for installation onto any standard AR-15 lower receiver. Lifetime factory warranty.
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