Product Description The Warne MESIG54BLK magazine extension is a durable, ergonomic base pad designed to increase capacity and improve handling on compatible SIG Sauer P320 magazines. Machined from 6061-T6 aluminum billet and finished with a Type 2 hardcoat anodized black coating, it delivers excellent abrasion and corrosion resistance for hard use. Its ergonomic shape aids positive magazine insertion, while the finger grooves help you strip the magazine from the handgun if needed. This extension adds +5 rounds of 9mm Luger capacity and uses a Torx head screw and washer for secure retention. Product Highlights Adds +5 rounds of capacity for compatible SIG Sauer P320 magazines (9mm Luger) Machined 6061-T6 aluminum billet for strength with a precise fit Type 2 hardcoat anodized black finish for abrasion and corrosion resistance Ergonomic profile improves magazine insertion and handling Finger grooves help strip the magazine from the handgun if required Specs Brand: Warne Manufacturer Part Number: MESIG54BLK UPC: 656813107988 Product Type: Magazine extension / base pad Compatibility: SIG Sauer P320 magazines Caliber: 9mm Luger (9x19) Capacity Increase: +5 rounds Material: 6061-T6 aluminum Finish/Color: Hardcoat anodized black (Type 2) Retention Hardware: Torx head screw and washer Country of Manufacture: USA 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.