Black River Extended Shotgun Magazine for Benelli M4 7 Round Carbon Fiber

Overview

The Black River Manufacturing extended shotgun magazine kit is designed for the Benelli M4, M4 clones, and SBE 3. The magazine tube is constructed from carbon fiber with aircraft-grade aluminum adapters on both the receiver and forend sides. The kit is lightweight at 3.4 ounces and includes the magazine tube, a Picatinny magazine tube clamp, an extended spring, and a follower. This tube increases the magazine capacity of the Benelli M4 to 6+1 rounds using 3-inch shells or 7+1 rounds using 2 3/4-inch shells.

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