The Rimfire Report: 40mm to 22 LR Sub-Cal AdaptersThe Firearm Blog
Subcaliber Adapters | Load Data Article
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
Miniature calibre (caliber) adapters and conversions
Runway Sub-Caliber Adapters for 26.5mm Flare Guns - YouTube
Caliber conversion sleeve - Wikipedia
Stack-N-Pack Kit | Shotgun Adapters - Gunadapters.com
12GA to 22LR/22short RIFLED BORE Shotgun Adapter - Stainless - Free Ship & Case! | eBay
Shotgun Adapter 12 Gauge to 22 LR - Gunadapters.com
12GA to 9MM RIFLED Shotgun Adapter - Chamber Reducer - Stainless - Free Shipping | eBay
45 COLT to .22 LR Caliber Adapter - Chamber Reducer - Stainless Set of 6
Shotgun/Revolver Adapter 410 to 22LR - Gunadapters.com
Cartridge Adapters | An Official Journal Of The NRA
Chiappa Firearms // 12GA Gun Gauge Adapter Set w/ 8 Inserts
The Utility of 12-Gauge Caliber Adapters, The Good, Bad, & Ugly -The Firearm Blog
Miniature calibre (caliber) adapters and conversions
X-Caliber Shotgun Gauge Adapter System
Chiappa Firearms // Gauge Adapters
X-CALIBER Survival-Rifle Gauge Adapter System - Soldier Systems Daily
308 Winchester to 32ACP Rifle Adapter - Chamber Reducer - Stainless
26.5 mm to 22 lr Ammo Sub-Caliber Flare Gun Insert | FTF Industries Inc Firearms Parts & Accessories
12GA to 22LR/22short RIFLED BORE Shotgun Adapter - Stainless - Free Ship & Case! | eBay
X-CALIBER Survival-Rifle Gauge Adapter System - Soldier Systems Daily
