Product Description The Aim Sports APGSM500 Pistol Grip and Collapsible Stock is a straightforward drop-in upgrade for your 12-gauge Mossberg 500, 500A, or 590 pump shotgun. Constructed from durable injection-molded polymer, this kit combines an ergonomic pistol grip with a 6-position M4-style collapsible stock, allowing shooters of all sizes to dial in the perfect length of pull. The pistol grip features an ergonomic contour for a natural, comfortable hold as well as internal storage for batteries or small accessories. A built-in ambidextrous sling loop on the grip makes attaching a carry sling quick and easy. The stock rides on a 6-position adjustable aluminum buffer tube, giving you a wide range of pull-length adjustability. Best of all, the entire kit installs in just minutes with no gunsmithing required, delivering a meaningful performance upgrade with minimal effort. Product Highlights Direct drop-in replacement for Mossberg 500, 500A, and 590 12-gauge pump shotguns with no gunsmithing required Ergonomic pistol grip with internal storage cavity for batteries and small accessories M4-style collapsible stock adjusts across 6 positions via a durable aluminum buffer tube for customizable length of pull (10.5" to 14.5") Ambidextrous sling loop integrated into the pistol grip for easy sling attachment Constructed entirely from tough injection-molded polymer in a matte black finish for lightweight, corrosion-resistant durability Specs Brand: Aim Sports MPN: APGSM500 UPC: 815879014788 Color/Finish: Black Material: Injection-Molded Polymer (Synthetic) Stock Style: 6-Position Collapsible (M4 Style) Grip Type: Pistol Grip Buffer Tube: 6-Position Adjustable Aluminum Tube Included: Yes Sling Loop: Ambidextrous, Built-In Internal Storage: Yes (grip) Overall Length: 10.5" - 14.5" Weight: 18 oz Firearm Fit: Mossberg 500, 500A, 590 (12 Gauge) Gunsmithing Required: No Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>