high standard ar-15/m16 sabre defence ar-15/m16 rock river ... arms ar-15 bushmaster ar-15 stripped a2 upper receiver manufactured ... carbine precision machined from a 7075 t6 aluminum forging to original colt ... for correct tolerances under mil-std 105d later a2 style includes shell deflector ... strength and wear resistance specs 7075 t6 aluminum hardcoat anodized matte ... black fits mil-spec ar-15 lower receiver with .250 pivot pins # ... 430-000-514ee stripped a2 upper receiver 3d99h63 ... 124.54 flattop upper receivers varmint ... sights ffl required for purchase specs 7075-t6 aluminum black hardcoat anodized matte ... /trigger and pivot/takedown holes .154 3.9mm diameter hammer/trigger pin holes .250 ...
a.r.m.s ar-15/m16 #41-b silhouette folding front sight strength ... appearance of the classic factory ar-15/m16 front sight tower yet folds neatly ... dual clamping rings fit standard .750 diameter barrels and hex-head bolts ... black finish fits barrels that are .750 o.d at the gas port #100-003-742ee #41 ... -b silhouette folding front sight 3a162y67 181.76 ar-15/ ... machined from lightweight yet tough 6061 t6 aluminum so it weighs less than one ... most factory gun finishes a b specs 6061 t6 aluminum hardcoat anodized matte ... black 1.25 3.2cm long 1.35 3.4cm overall height .8 oz 23g weight fits ... -style rifle or m4-style carbine with .750 o.d barrel at gas block mounting ... position includes 3 hex-head setscrews and instructions # ...