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 Del-Ton LOWER PARTS KIT $5500 Chiappa Firearms PAK-9 BERETTA MAGAZINE ADAPTER $2700 Sale! Magview S1 MINI SPOTTING SCOPE ADAPTOR $16999 Original price was: $16999.$14942Current price is: $14942. Sale! SIG SAUER CAL-X KIT P365X-MACRO 9MM 17RD $61999 Original price was: $61999.$56002Current price is: $56002.