MagnetoSpeed
Magnum Research
MagPod
Magpul
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Magtech
Mako
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Manticore Arms
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Marbles
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Marlin
Marshall Defense
Master Lock
MasterPiece Arms
Mathews
Mathews Archery
Matrix Diversified Ind
Mauser
Maxam
Maxim
Maxim Defense
Max Ops
Maxpedition
Maxtacs
McCutchen Firearms
MDT
MEC
Mec-Gar
Mec-Gar USA
Mechanix Wear
Meprolight
Mesa Tactical
Metal Monkey
MFI
Mid-Evil Industries
Midwest Industries
Migra
MILI
Military Armament Corporation
Military Arms Corporation
MIRA Safety
MIROKU
Mission First Tactical
Missouri Tactical
M&M Firearms
Mojo
Montana Rifle Company
Mossberg
Moultrie
Mountain Billy Gun Lab
MPA
M-Pro7
MTM
MTM Case-Gard
Mtm Molded Products
MTN OPS
Muddy
N8 Tactical
NAA
NAR
National Ordnance
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NC Gun Sales
NCStar
NDZ PERFORMANCE
Night Fision
Nikko Stirling
Nordic Components
Norma
North American Arms
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Noveske Rifleworks
NOVX
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