12 Gauge
Most common shotgun gauge.
Barrels
Rifled tubes that guide the projectile
No barrels available in 12 Gauge yet.
Bolt Carrier Groups
The heart of the AR action
No bolt carrier groups available in 12 Gauge yet.
Magazines
Feed devices for ammunition
Muzzle Devices
Flash hiders, brakes, and compensators
No muzzle devices available in 12 Gauge yet.
Ammunition
Cartridges chambered in this caliber
