Black River Manufacturing Benelli M4/SBE 3 7 Round Magazine Extension Kit OD Green BREMTOD. This is a complete kit. The magazine tube kit comes with everything you need. WHAT'S INCLUDED: magazine tube picatinny magazine tube clamp extended spring...
Black River Manufacturing Benelli M4/SBE 3 7 Round Magazine Extension Kit OD Green BREMTOD. This is a complete kit. The magazine tube kit comes with everything you need. WHAT'S INCLUDED: magazine tube picatinny magazine tube clamp extended spring...