Home / Accessory-Kits / Chiappa Firearms X-CALIBER 8 GAUGE ADAPTER KIT Sale! Chiappa Firearms X-CALIBER 8 GAUGE ADAPTER KIT$35950 Original price was: $35950.$30762Current price is: $30762. Out of stock SKU: 970.387 Category: Accessory-Kits Product ID: 34325 Description Description 8 Gauge Adapter System 12 ga.380, 9mm, 357/38, 40SW, 44Mag45ACP, .410/45Colt, and 20GA. Related products Sale! Springfield Armory HELLCAT 3.8″ THREADED BARREL $19999 Original price was: $19999.$15230Current price is: $15230. Sale! SIG SAUER CAL-X KIT CROSS 308WIN 24″ $69999 Original price was: $69999.$63112Current price is: $63112. Sale! Keystone Sporting Arms CRICKETT SPACER KIT BLACK $2499 Original price was: $2499.$2391Current price is: $2391. Wilson Combat SPRING KIT S&W J FRAME $995