Innovative, integrated accessory system lets you apply the "Magpul Method" to make the tried-and-true 12 gauge 870 into a state-of-the-art tactical shotgun exactly fitted to your mission requirements. Major components are made from the same tough, hard polymer Magpul uses for their AR-15 stocks to ensure superb durability under harsh conditions. Installs between the receiver and the SGA Stock to provide a secure attachment point for clip-on sling systems, including HK-style, MASH hook, Magpul MS3 Paraclip, and others. May be installed with the loop on left or right side of receiver. Mfg: Magpul SPECS: Steel, with MeloniteA(R) coating for strength and wear-resistance, matte black. Mounting hardware included.