M203 Barrels

Secure heavy-duty, properly indexed M203 barrels and matching receivers designed for secure attachment to standard MIL-SPEC carbine lengths.

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McCollum Machine M203 37mm 12" Flare Launcher Barrel (fits Colt/LMT M203 receivers)

$529.00

McCollum Machine
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McCollum Machine M203 37mm 9" Flare Launcher Barrel (fits Colt/LMT M203 receivers)

$529.00

McCollum Machine