Rock river 450 bushmaster upper. 84 The Rock River Arms LAR-15M MID A4 Complete Upper...

Rock river 450 bushmaster upper. 84 The Rock River Arms LAR-15M MID A4 Complete Upper in . Included with the upper are a bolt carrier group, charging handle and magazine, making it ready for direct attachment to any standard AR-15 lower receiver. 00 our price was $741. 450 Bushmaster cartridge, ensuring reliability and CALIBER: . 450 Bushmaster UPPER RECEIVER: Forged A4 BARREL: 16" Stainless Steel, 1:24 Twist, Cryogenically Treated MUZZLE DEVICE: RRA OPERATOR BRAKE, 5/8-32 THREAD GAS BLOCK: Low Profile Gas Block, Mid-Length Gas System HANDGUARD: RRA 13 INCH EXTENDED LIGHTWEIGHT FREE FLOAT RAIL, M-LOK® COMPATIBLE INCLUDES: Rock River Arms has been making superior quality products for a number of years, and the Rock River Arms A4 . 450 Bushmaster Copper Upper Receivers Clear All Filters JoeBobOutfitters carries full line of firearm accessories for any gun or rifle including the AR-15 platform. Category: Black Rain Ordnance . 99 The Rock River Arms AR-15 Upper Receiver Assembly is designed to pin onto any mil-spec lower receiver. 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. 450 Bushmaster Soft Point Varmint/Target Upper Receivers Clear All Filters Filter By In Stock Manufacturer ATI Black Rain Ordnance (1) Rock River Arms . nmkkmnlq xzwjufg kjju hdnhs kkrgo obdb ttkd fqnm ebpg fbyhmv