Bushmaster Firearms International Bushmaster 0020010BLK M4 Built Lower Receiver MSRP: Was: Now: $259.99
Bushmaster Firearms International Bushmaster 0020010BLK M4 Built Lower Receiver The M4 Built Lower Receiver - a premium firearm component crafted from 7075 Forged XM15-E2S Lower Receiver. With a weight of just 2 LBS, it boasts a 6 Position Buffer Tube, M4 Carbine Stock, A2... MSRP: Was: Now: $259.99
