Product Details
Carry more confidence without the bulk. The PMAG 20 LR/SR GEN M3 Window gives SR25 / M110 pattern rifles a true 20-round profile with the proven feeding geometry, long-life stainless spring, and anti-tilt self-lubricating follower that keep rounds moving when it matters. Impact- and crush-resistant polymer construction shaves weight while protecting internals and the translucent MagLevel™ windows provide an instant visual round-count so you stay aware and in control. Lightweight, durable, and engineered for precision platforms, the PMAG 20 LR/SR GEN M3 Window is the go-to mag for shooters who demand capacity, reliability, and situational awareness. Made in the USA. Features True 20-round capacity for SR25 / M110 pattern rifles chambered in 7.62×51 NATO (.308 Winchester) Anti-tilt, self-lubricating follower, long-life stainless spring, and constant-curve internal geometry for smooth, reliable feeding Impact- and crush-resistant polymer body engineered for long service life and field abuse Dual MagLevel windows with painted indicator coil for instant visual round-count confirmation Flared, easy-to-grip floorplate for fast handling and improved extraction from tight pouches Low-profile ribs and aggressive texture deliver positive control in all conditions Paint-pen dot matrix on the bottom panel enables rapid load identification in the field Designed for SAAMI-spec ammunition and optimized for reliable function in SR25/M110 platforms 20-ROUND RELIABILITY Next-generation impact and crush-resistant polymer construction with a high-quality stainless steel spring for corrosion resistance Anti-tilt, self-lubricating follower and constant-curve internal geometry ensure smooth feeding Anti-glare translucent MagLevel windows on both sides of the body and painted indicator on the spring allow for easy determination of rounds remaining ENHANCED ERGONOMICS Weighs less than standard-issue steel magazines Ribbed gripping surface and aggressive front and rear texture for positive magazine handling Flared floorplate aids extraction and handling while providing improved drop protection and better compatibility with tight double magazine pouches EASY IDENTIFICATION A paint pen dot matrix at the bottom panel of the body allows easy marking for identification
Technical Specifications
| Caliber |
7.62x51mm / .308 Winchester |
| Platform |
AR10, M110, SR25 |
| Capacity |
20 |
| Weight |
5.8 oz. |
| Length, max |
6.5 in. |
| Compatibility |
Armalite AR-10A, Colt LE901-16S, CORE Rifle Systems CORE30, JP Enterprises LRP-07, KAC SR25, LaRue OBR, Les Baer .308, LMT .308 MWS, LWRCI REPR, Mega Arms MATEN, Noveske Gen III N6, POF P-308, Ruger SR-762, S&W M&P10, SIG716, and others* |
| Other Specs |
Optimized for use with SAAMI-spec 7.62x51/.308 Winchester ammunition. *NOTE: Compatible with older model Bushmaster .308 ORC, Remington R-25, and DPMS LR308 rifles, but not optimized for bolt lock functionality with newer models based on the DPMS GII design. NOT compatible with Armalite AR-10B, Springfield Armory M1A, Rock River Arms LAR8, FN SCAR 17S, PTR-91, HK417 or any other rifles that utilize M14, FN FAL, or HK 91/G3 patterned magazines. |
Additional Resources
How to use the Magpul Dot Matrix
Compliance Notices
