Carry more confidence without the bulk. The PMAG 20 LR/SR GEN M3 Window delivers a true 20-round profile for SR25 / M110 pattern rifles, combining proven feeding geometry with a long-life stainless steel spring and anti-tilt, self-lubricating follower to ensure smooth, reliable performance. Its lightweight yet durable polymer construction resists impact and crushing, while the translucent MagLevel windows provide instant visual round-count awareness so you stay in control at all times. Product Features True 20-round capacity for SR25 / M110 pattern rifles Compatible with 7.62 51 NATO (.308 Winchester) Anti-tilt, self-lubricating follower for reliable feeding Long-life stainless steel spring for durability Constant-curve internal geometry for smooth operation Impact- and crush-resistant polymer construction Dual MagLevel windows with painted indicator coil for quick round count Flared, easy-to-grip floorplate for fast handling and extraction Low-profile ribs and aggressive texture for enhanced grip Paint-pen dot matrix for quick load identification Optimized for SAAMI-spec ammunition Product Specifications Manufacturer: Magpul Model: PMAG 20 LR/SR GEN M3 Window Caliber: 7.62 51 NATO / .308 Winchester Magazine Capacity: 20 rounds Compatibility: SR25 / M110 pattern rifles Material: Impact-resistant polymer Spring: Stainless steel Additional Features: MagLevel window, anti-tilt follower, constant-curve design