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12GA to 17 HM2 Shotgun Adapter - Chamber Reducer - Stainless Steel
Part Number 12GA/17 HM2 Adapter
12GA to 17 HM2 Shotgun Adapter - Chamber Reducer - Stainless Steel
12GA to 17 HM2 Shotgun Adapter - Chamber Reducer - Stainless Steel
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Retail Price:  $29.95
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Description
12GA to 45 Colt Shotgun Adapter Chamber Reducer

12GA to 17 HM2 (17 Mach 2) - Shotgun Adapter

Precision machined from stainless steel

Proudly made in the USA


This adapter is for the shorter HM2 cartridge. It is NOT for the HMR cartridge.  See pictures for cartridge examples.

This adapter gives your 12 Gauge single or double shot break open shotgun the ability to fire a .17HM2 bullet, also know as a .17 Mach 2. 

This adapter is precision machined from high quality stainless steel to the OD specifications of a 2 3/4 12GA shell.  It will easily fit into your break open shotgun barrel and accept any .17HM2 ammunition.  After firing simply remove the adapter and tip upside down to remove the spent .17HM2 shell while the adapter stays in your gun. The wide groove cut in the face will not only allow you to easily remove a spent shell but also provides a recessed clearance area for your firing pin.  Adapters that don't have this recessed area (or recessed area in the wrong spot)  do not provide the proper clearance for your firing pin and may damage your shotgun.  A smooth bore is gently bored through the adapter for the bullet  (no rifling).  The .17 HM2 bullet side is precision CNC machined to the exact chamber dimensions to accept .17 HM2 ammunition (SAAMI chamber specifications). 

This chamber / caliber reducer will NOT work with .17HMR or any other .17 caliber ammunition..

Adapter orientation is not important and the adapter will work in any position. 
Made in the USA on American machines by American workers  ......... support USA made products and companies!
Will fit any break open shotgun with 2 3/4" or 3" chambers
Perfect for 'Preppers' or your Bug Out Bags.  Carry one gun and have the ability to shoot not only 12GA shells but also .17 HM2.
Surprisingly accurate!
Not recommended for pump action or semi-auto shotguns.  Designed for use with break open style shotguns.


Any ammunition pictured is for representation purposes only and is not included with this purchase.

We've test fired these adapters and at 50 feet with an old junky shotgun (with no sights) we were  able to achieve groups of 3"-5" easily.

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