Product Description The ProMag DPMA1 is a replacement or spare detachable magazine designed for AR-308/308-caliber AR-type rifles that use LR-308 (DPMS) or SR-25 pattern magazines. Built from heat-treated steel with a blued finish, it features an injection-molded magazine follower and a magazine spring formed from heat-treated chrome-silicon wire to support reliable feeding and durability. Made in the USA. Note: this magazine does not fit rifles that use Armalite-pattern magazines. Product Highlights 20-round detachable magazine for .308 Winchester / 7.62x51mm NATO Compatible with LR-308 (DPMS) and SR-25 pattern magazine platforms Heat-treated steel body with blued finish for strength and corrosion resistance Injection-molded follower promotes consistent feeding Heat-treated chrome-silicon wire spring designed for dependable function Specs Brand: ProMag Manufacturer Part Number: DPMA1 UPC: 708279010149 Capacity: 20 rounds Caliber: .308 Winchester / 7.62x51mm NATO Firearm Fit: AR-308 / AR-10 type rifles using LR-308 (DPMS) or SR-25 pattern magazines Material: Heat-treated steel Finish: Blued Follower: Injection-molded polymer Spring: Heat-treated chrome-silicon wire Country of Manufacture: USA Compatibility Note: Does not fit Armalite-pattern magazine rifles 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.