The Adaptive Tactical Forend and M4-Style Stock for Mossberg Shotguns is optimized for pump shotguns. The advanced design features and high-impact, polymer construction of the EX Performance Adjustable Stock and Forend make it an ideal choice when upgrading your Mossberg 500 & 88*" 590 series 12g pump shotgun.The EX Performance Forend features a 2 inch picatinny rail concealed under the nose cap. Uncovered its ideal for attaching tactical accessories like lasers or lights.The EX Performance M4-style Stock with pistol grip features an easy-to-reach rapid adjust lever for custom length-of-pull, and includes an integrated QD swivel attachment and molded in non-rust standard sling swivel attachment. Durable polymer construction with non-slip vented rubber recoil pad, oversized extra strength adjustment pin, and sleek industrial design.Features :,Compatible with Mossberg 500 & 88" 590 series 12g pump shotguns,Accessory railM4-style stock with pistol grip and adjustable length-of-pull