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! Ruger BARREL KIT SR22 22LR 3.5″ THRD $16095 Original price was: $16095.$11850Current price is: $11850. Sale! Barrett Firearms MRAD CONVERSION KIT 300NOR 26″ $1,67500 Original price was: $1,67500.$1,54543Current price is: $1,54543. Sale! Del-Ton RIFLE KIT LW 16″ M-LOK BLK $47000 Original price was: $47000.$41601Current price is: $41601. Del-Ton BOLT COMPONENT KIT $2295