12 Gauge
12 Gauge Shotguns are normally found with 2 3/4″ or 3″ chambers. with lengths of 18″ to 32″. Shotguns use many of the same actions as rifles—the pump-action, semi-automatic, and bolt-action. They also use a break-action as either a single barrel or double barrels. The double barrels can be arranged horizontally (side-by-side) or vertically (over-under).
There are four common types of shotgun actions:
- Bolt-action
- Pump-action
- Semi-automatic action
- Break-action
*Break-action is the only type of Shotgun that can use the Adapters we make and sell
A 12–gauge shotgun, nominally 18.5 mm (0.73 in), can range from a tight 18 mm (0.71 in) to an extreme overbore of 20 mm (0.79 in).
Showing all 22 results
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45-70 Shotgun Adapter
$129.70 – $149.70 Select options -
357 12 Gauge Shotgun Adapters
$27.33 – $119.38 Select options -
45 Caliber 12 Gauge Shotgun Adapters
$24.95 – $109.95 Select options -
9mm 12 Gauge Shotgun Adapters
$24.95 – $119.98 Select options -
30-30 Shotgun Adapters
$129.30 – $149.30 Select options -
44 Caliber 12 Gauge Shotgun Adapters
$59.44 – $109.44 Select options -
7.62×39 Shotgun Adapters
$129.79 Select options -
22 Caliber 12 Gauge Shotgun Adapters
$75.26 – $119.29 Select options -
12Gauge – 20Gauge Shotgun Adapters
$19.95 – $79.45 Select options -
380 12 Gauge Shotgun Adapters
$24.95 – $119.88 Select options -
12 Gauge to 410
$109.41 Add to cart -
327 Mag 12 Gauge Shotgun Adapters
$49.50 – $119.27 Select options -
12ga to 40 S&W Shotgun Adapters
$59.40 – $119.40 Select options -
12ga to 10mm Shotgun Adapters
$59.10 – $109.10 Select options -
357 Maximum 12 Gauge Shotgun Adapters
$29.57 – $119.57 Select options -
35 Remington 12 Gauge Shotgun Adapters
$129.35 – $148.35 Select options -
357 Sig 12 Gauge Shotgun Adapters
$29.57 – $119.58 Select options -
12ga to 28ga Shotgun Adapters
$119.28 Add to cart -
9x23mm Largo 12 Gauge Shotgun Adapters
$28.98 – $119.98 Select options -
12ga 300 Blackout Shotgun Adapters
$129.30 – $149.30 Select options -
12ga 30 Carbine Shotgun Adapters
$99.30 – $119.30 Select options -
12ga 7.62×25 Tokarev Shotgun Adapters
$99.75 – $119.75 Select options