Carry more confidence without the bulk. The Magpul 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