.30 Carbine
M1 Carbine cartridge; pistol-caliber-style AR barrels.
Barrels
Rifled tubes that guide the projectile
Bolt Carrier Groups
The heart of the AR action
No bolt carrier groups available in .30 Carbine yet.
Magazines
Feed devices for ammunition
No magazines available in .30 Carbine yet.
Muzzle Devices
Flash hiders, brakes, and compensators
No muzzle devices available in .30 Carbine yet.
Ammunition
Cartridges chambered in this caliber
No ammunition available in .30 Carbine yet.