Home / Gun Parts / AR15 Parts / AR15 Lowers / BUSHMASTER M4 BUILT LOWER RECEIVER BUSHMASTER M4 BUILT LOWER RECEIVER$224.72 BUSHMASTER M4 BUILT LOWER RECEIVER Out of stock SKU: 2AW|BM-00-20010-BLK Category: AR15 Lowers Tag: Online Only Brand: BushmasterProduct ID: 84274 Related products FRANKLIN ARMORY BFSIII ELITE LIBERTAS LOWER $631.16 View Details RADIAN WEAPONS MODEL 1 ADAC-15 LOWER FDE $514.95 View Details Shield Arms SA-15 Complete Folding Lower Receiver w/Rifle Stock – Black $568.98 View Details FRANKLIN ARMORY FAI BINARY MARKED FORGED LOWER $67.49 View Details