Home / Accessory-Kits / Chiappa Firearms X-CALIBER 4 SET 20GA ADAPT KIT View cart “Springfield Armory HELLCAT 3.8″ THREADED BARREL” has been added to your cart. Sale! Chiappa Firearms X-CALIBER 4 SET 20GA ADAPT KIT$20889 Original price was: $20889.$18748Current price is: $18748. In stock Chiappa Firearms X-CALIBER 4 SET 20GA ADAPT KIT quantity Add to cart 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 RIFLE KIT M4 5.56MM 16″ $45000 Original price was: $45000.$40673Current price is: $40673. Sale! Barrett Firearms MRAD CONVERSION KIT 300NOR 26″ $1,67500 Original price was: $1,67500.$1,54543Current price is: $1,54543. Keystone Sporting Arms CRICKETT CPR SPACER KIT BLACK $1999 Sale! Magview B1 XL BINOCULAR ADAPTOR $9999 Original price was: $9999.$9350Current price is: $9350.