Gear Review: Short Lane Gunadapters Stack-N-Pack Kit for 12 Gauge Shotguns - The Truth About Guns
12 ga. to .410 & 20 ga. Adapters
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Could the use of 'adapters' which fit into the chamber and swapping of the bolt, extractor and other parts allow firearms to use different calibers as long as the new cartridge is
X-Caliber Shotgun Gauge Adapter System
Chiappa Firearms X-Caliber 4 Caliber Adapter Kit for 20 Gauge | $9.01 Off w/ Free Shipping
X-CALIBER Survival-Rifle Gauge Adapter System - Soldier Systems Daily