Home / Accessory-Kits / Chiappa Firearms X-CALIBER 4 SET 20GA ADAPT KIT View cart “SIG SAUER CAL-X KIT CROSS 6.5CR 18″” 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 Sale! Del-Ton RIFLE KIT M4 16″ M-LOK BLACK $53300 Original price was: $53300.$46241Current price is: $46241. Del-Ton DELTA RING ASSEMBLY $1295 Sale! SIG SAUER CAL-X KIT P320-X5 9MM 17RD $79999 Original price was: $79999.$71970Current price is: $71970. Sale! Del-Ton RIFLE KIT LW 16″ M-LOK BLK $47000 Original price was: $47000.$41601Current price is: $41601.