Home / Accessory-Lowers / Bushmaster M4 BUILT LOWER RECEIVER Sale! Bushmaster M4 BUILT LOWER RECEIVER$28295 Original price was: $28295.$27680Current price is: $27680. In stock Bushmaster M4 BUILT LOWER RECEIVER quantity Add to cart SKU: 00-20010-BLK Category: Accessory-Lowers Product ID: 106578 Description Description Related products Sale! Franklin Armory BFSIII M4-BLR LOWER A2 STOCK $47999 Original price was: $47999.$45637Current price is: $45637. Bushmaster XM15-E2S STRIPPED LOWER REC $9295 Sale! Franklin Armory BFSIII LIBERTAS BLR LOWER $62999 Original price was: $62999.$60460Current price is: $60460. Sale! Bushmaster A2 BUILT LOWER RECEIVER $33995 Original price was: $33995.$33044Current price is: $33044.