The Magpul Industries MAG291-MCT PMAG 20 LR/SR GEN M3 Magazine is engineered for exceptional reliability and lightweight performance. Designed specifically for 7.62x51 NATO (.308 Winchester) firearms, this magazine supports the SR25/M110 platform with precision. Its reliable feeding is guaranteed with a thoughtful anti-tilt design and constant-curve body. The GEN M3 model features durable materials and user-friendly enhancements. Next-generation impact and crush-resistant polymer construction Ribbed gripping surface and aggressive texture for positive handling 20 round reliability with an anti-tilt, self-lubricating follower High-quality stainless steel spring for smooth reliability Achieve optimal shooting performance with the PMAG 20 LR/SR GEN M3, your trusted magazine solution.