JBU 300mm Tight Bore 6.03mm Barrel for M4CQBR(11.81in)

JBU 300mm Tight Bore 6.03mm Barrel for M4CQBR(11.81in)

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  • $29.95
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The JBU 300mm Tight Bore 6.03mm Barrel for M4CQBR(11.81in) was built with people like you in mind. Something to keep you happy. Every. Single. Day.

Inventory Last Updated: Jul 22, 2026