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)
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. Details: Manufacturer: McCollum Machine Model:...$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. Details: Manufacturer: McCollum Machine Model:...$529.00