Home / Accessory-Kits / Chiappa Firearms X-CALIBER 4 SET 20GA ADAPT KIT View cart “Barrett Firearms MRAD CONVERSION KIT 308WIN 24″” has been added to your cart. Sale! Chiappa Firearms X-CALIBER 4 SET 20GA ADAPT KIT$20356 $18298 Out of stock SKU: 970.435 Category: Accessory-Kits Product ID: 34297 Description Description 4 Set Adapter System 20 ga.9mm-357/38-45ACP-410/45Colt Related products Sale! Del-Ton DELUXE REPAIR KIT $5695 $5495 Sale! Del-Ton RIFLE KIT M4 5.56MM 16″ $45000 $40673 Sale! Keystone Sporting Arms CRICKETT SPACER KIT BLACK $2499 $2391 Sale! Barrett Firearms MRAD CONVERSION KIT 308WIN 24″ $1,67500 $1,54543