.30 Luger
7.65x21mm Parabellum; pistol-caliber AR-15 barrels.
Barrels
Rifled tubes that guide the projectile
Bolt Carrier Groups
The heart of the AR action
No bolt carrier groups available in .30 Luger yet.
Magazines
Feed devices for ammunition
No magazines available in .30 Luger yet.
Muzzle Devices
Flash hiders, brakes, and compensators
No muzzle devices available in .30 Luger yet.
Ammunition
Cartridges chambered in this caliber
No ammunition available in .30 Luger yet.