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McCollum Machine
McCollum Machine produces precision-machined firearm components engineered for accuracy and durability. Shop McCollum Machine parts trusted by builders seeking high-quality manufacturing for custom rifle projects. McCollum Machine is known for precise tolerances and reliable performance.
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McCollum Machine M203 37mm 12" Flare Launcher Barrel (fits Colt/LMT M203 receivers)
McCollum Machine
$529.00This 37mm barrel is compatible with 40mm M203 grenade launcher receivers and is intended to allow installation without requiring registration of the receiver as a Destructive Device under the NFA...$529.00 -
Out of stock
McCollum Machine M203 37mm 9" Flare Launcher Barrel (fits Colt/LMT M203 receivers)
McCollum Machine
$529.00This 37mm barrel is compatible with 40mm M203 grenade launcher receivers and is intended to allow installation without requiring registration of the receiver as a Destructive Device under the NFA...$529.00