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 12 Gauge pump shotgun. The EX Performance Forend features a 2 inches picatinny rail concealed under the nose cap. Uncovered it's 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 and 88, 590 series 12 Gauge pump shotguns Accessory rail M4 style stock with pistol grip and adjustable length of pull