Brands
- KKM Precision
- Knights Armament Company
- KNS
- Lancer
- LanTac USA LLC
- Larue
- LaserMax
- LBE Unlimited
- Leapers, Inc. - UTG
- Leupold
- Liberty Precision Machine
- LMT
- Lone Wolf Distributors
- LWRC
- Lyman
- M34 Tactical
- MAG Tactical Systems
- Magpul Industries
- Magpump
- Malkoff Devices
- MasterPiece Arms
- Matech
- Maxim Defense Industries
- Maxpedition