Home / Accessory-Lowers / Bushmaster BFSIII BUILT LOWER RECEIVER # You cannot add "Bushmaster A2 BUILT LOWER RECEIVER" to the cart because the product is out of stock. Bushmaster BFSIII BUILT LOWER RECEIVER #$54495 Out of stock SKU: 00-20006-BLK Category: Accessory-Lowers Product ID: 59188 Description Description BFSIII Binary Trigger Related products Sale! Franklin Armory BFSIII LIBERTAS BLR LOWER $62999 Original price was: $62999.$60460Current price is: $60460. Sale! Wilson Combat RECEIVER SET AR-15 FORGED $26995 Original price was: $26995.$24830Current price is: $24830. Sale! Wilson Combat RECEIVER SET AR-15 BILLET $48995 Original price was: $48995.$44111Current price is: $44111. Sale! SilencerCo LOWER RECEIVER SCO15 $26900 Original price was: $26900.$26718Current price is: $26718.