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QUALIFIES FOR FREE SHIPPING!This upper features a 1913 top rail, M4 feed rampHard-coat anodized to M..
Includes: - (1) Receiver Extension Buffer Tube, Pistol W/QD Socket- (1) Nut, Castle Extension R..
QUALIFIES FOR FREE SHIPPING!Made in USAIncludes:Barrel:Spring, Front Sight DetentUpper:Spring, Selec..
Every single spring you'll need for an AR-15. Made in USA.Includes:Barrel:Spring, Front Sight Detent..
Mil-Spec, made in the USA.Kit includes:• Mil-spec receiver extension (6 position) 7075 Aluminum• Bla..
Mil-Spec, Made in USAKit Includes: Mil-Spec receiver extension (6 position) 7075 aluminumBlack Oxide..