12GA to .357 Magnum Shotgun Adapter
12GA to .357 Magnum Shotgun Adapter
Adapter next to 12GA ShotshellAdapter Close Up
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This adapter gives your 12 Gauge single or double-barrel break action shotgun the ability to fire .357 Magnum or .38 Special ammo.

Precision machined from high quality stainless steel to the SAAMI cartridge specifications for 12 Gauge 2-3/4″ shotshells. It will easily fit into your break action shotgun chamber and accept any .38/.357 ammo. The rifled bore stabilizes the bullet for better accuracy compared to non-rifled adapters.

After firing, simply remove the adapter and tip upside down to remove the spent case.

Features
Works with .38 Special or .357 Magnum Ammunition *
Fits any Single Barrel, Over/Under or Side-by-Side Break Action Shotgun **
Fits both 2-3/4″ and 3″ Chambers
Rifled Bore: 6 groove, 1:16 Twist

* Also works with .38 Short Colt and .38 Long Colt ammunition!
** Do NOT use with semi-auto, pump or bolt-action shotguns!


Need an adapter for other shotgun gauges and/or for other cartridges? Please Call.

Made in the USA on American machines by American workers.
Ammunition shown in photos is not included.
Made in USA Logo

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