.45 GAP
Glock Automatic Pistol cartridge; Glock 37, 38 and 39.
Barrels
Rifled tubes that guide the projectile
Bolt Carrier Groups
The heart of the AR action
No bolt carrier groups available in .45 GAP yet.
Magazines
Feed devices for ammunition
No magazines available in .45 GAP yet.
Muzzle Devices
Flash hiders, brakes, and compensators
No muzzle devices available in .45 GAP yet.
Ammunition
Cartridges chambered in this caliber
No ammunition available in .45 GAP yet.