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M-PRO 7
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Mace Security International
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Maglula ltd.
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MagnetoSpeed
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Magnum Research
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MagPod
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Magpul Industries
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Magpump
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Magtech
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MagView
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Marlin Firearms
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MasterLock
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MasterPiece Arms
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MaTech Solutions
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Maxim Defense Industries
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MDT
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Mec-Gar USA
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Mechanix Wear
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Meprolight
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Mesa Tactical
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MGW Armory
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Midwest Industries
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Military Arms Corporation
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Mission First Tactical
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Mossberg
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NcSTAR
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Nemo Arms
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Night Fision
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Nightstick
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Nine-Reloaded
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NOCPIX
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Nordic Components
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North American Arms
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North American Rescue
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Nosler
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Noveske
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OA Defense
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Odin Works
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Ohio Ordnance Works, Inc
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Olight
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Otis Technology
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Otter Creek Labs
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Outdoor Edge
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Outers
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Pachmayr
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Patriot Ordnance Factory
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Pearce Grip
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Phase 5 Weapon Systems
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Plano
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PMC Ammunition