Home / Accessory-Kits / Chiappa Firearms X-CALIBER 4 SET 20GA ADAPT KIT View cart “Barrett Firearms MRAD CONVERSION KIT 338NOR 26″” 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 Magview MAGVIEW CHARGING PHONE PLATE $1499 Sale! Springfield Armory HELLCAT 3.8″ THREADED BARREL $19999 Original price was: $19999.$15230Current price is: $15230. Keystone Sporting Arms CRICKETT CPR SPACER KIT BLACK $1999 Springfield Armory HELLCAT HARDWARE MOUNT KIT $799