Home / Accessory-Kits / Chiappa Firearms X-CALIBER 4 SET 20GA ADAPT KIT View cart “Del-Ton RIFLE KIT M4 16″ M-LOK BLACK” has been added to your cart. Sale! Chiappa Firearms X-CALIBER 4 SET 20GA ADAPT KIT$20356 Original price was: $20356.$18298Current price is: $18298. Out of stock 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 Wilson Combat SPRING KIT S&W K/L/N FRAMES $1395 Del-Ton BOLT COMPONENT KIT $2295 Keystone Sporting Arms CRICKETT CPR SPACER KIT BLACK $1999 Sale! Keystone Sporting Arms CRICKETT SPACER KIT BLACK $2499 Original price was: $2499.$2391Current price is: $2391.