Home / Accessory-Kits / Bushmaster LOWER RECEIVER PARTS KIT # You cannot add "SIG SAUER CAL-X KIT P320-M18 9MM COYOTE" to the cart because the product is out of stock. Bushmaster LOWER RECEIVER PARTS KIT #$8999 Out of stock SKU: 00-50054-BLK Category: Accessory-Kits Product ID: 30501 Description Description Related products Sale! SIG SAUER CAL-X KIT P320-X5 9MM 17RD $79999 $71970 Sale! Del-Ton RIFLE KIT M4 16″ M-LOK FDE $53300 $46241 Sale! Del-Ton DELUXE REPAIR KIT $5695 $5495 Sale! Ruger BARREL KIT LCPII 22LR SS THRD $16095 $11850