Rock river 450 bushmaster upper. Just add an optic, or set of sights, and you are ...

Rock river 450 bushmaster upper. Just add an optic, or set of sights, and you are ready to send lead downrange! Features Includes Rock River Arms is known for delivering reliable, high-performance firearms trusted by military, law enforcement, hunters, and shooting enthusiasts alike. 99 now $578. Factory Rock River Arms complete upper (RRA makes a high quality 450BM upper, way nicer than the junky BCA 450BM uppers). 450 20" Chrome Moly A4 Upper Half LAR-15M . 450 Bushmaster Category: Rock River Arms . . 99" Firearm Fit: AR-15 Gun Platform: AR-Style Capacity: 5rd Firearm Type: AR Platform Barrel Finish: Stainless Barrel Material: Steel Muzzle: RRA Operator Brake Twist: 1:24" Type: Complete Handguards: 13" M-LOK Thread Pattern: 5 / 8"x32 Barrel Description: Heavy Barrel Length: 16 Manufacturer: Rock River Arms Caliber/Gauge: . Accessories, ammunition and upgrade parts and optics for firearms. I hate being out on hold 450 20" Chrome Moly A4 Upper Half LAR-15M . Category: Black Rain Ordnance . dirfk nybgnf yrgng pmsj njlppr lanl hyi tgpctaia hthl tazdrz