PMAG 20 LR/SR Gen M3 Window 20 Round Magazine in .308 Win by Magpul – Durable, High-Visibility AR-10 Magazine for Reliable Performance

Enhance your rifle’s reliability and visibility with the PMAG 20 LR/SR Gen M3 Window 20 Round Magazine in .308 Win by Magpul. Engineered for serious shooters, this next-generation magazine delivers unmatched durability, consistent feeding, and a transparent window for quick round count verification. Built for AR-10/SR-25 platforms, it’s trusted for hunting, training, and tactical applications.

Key Features & Benefits

20-Round Capacity

• Ideal balance between capacity and handling

• Reduces reload frequency while maintaining manageable size

Transparent Window Design

• Built-in window allows quick visual round count checks

• Enhances situational awareness during shooting sessions

Next-Gen Gen M3 Polymer Construction

• Impact-resistant, lightweight polymer body

• Designed to withstand harsh environments and heavy use

Anti-Tilt Self-Lubricating Follower

• Ensures smooth, consistent feeding

• Reduces risk of malfunctions and jams

Constant-Curve Internal Geometry

• Maintains reliable cartridge stacking

• Enhances feeding reliability under various conditions

Stainless Steel Spring

• Corrosion-resistant for long-term durability

• Provides consistent tension and performance

Slim Profile & Textured Grip

• Easy insertion and removal from mag pouches

• Enhanced grip for fast, secure reloads

Flared Floorplate for Easy Handling

• Improves control during reloads

• Allows for simple disassembly and maintenance

Product Specifications

• Brand: Magpul

• Model: PMAG 20 LR/SR Gen M3 Window

• Caliber: .308 Winchester / 7.62 NATO

• Capacity: 20 rounds

• Platform Compatibility: AR-10 / SR-25 pattern rifles

• Material: Advanced polymer

• Spring: Stainless steel

• Follower: Anti-tilt, self-lubricating

• Window: Transparent side panel

• Color: Black

• Use: Hunting, tactical, and range shooting

Why Choose the Magpul PMAG Gen M3 Window

• Trusted Magpul reliability for consistent feeding performance

• Window design provides instant round count visibility

• Durable polymer construction built for extreme conditions

• Optimized for AR-10/SR-25 platforms and modern shooting needs

How to Use

• Load cartridges evenly into the magazine

• Insert into a compatible rifle until securely seated

• Monitor round count using the built-in window

• Clean and inspect regularly for optimal performance

Warranty & Support

• Backed by Magpul’s manufacturer warranty

• Designed for long-lasting, dependable use

Ideal For

• AR-10 and SR-25 platform shooters

• Tactical users and competitive shooters

• Hunters needing reliable, high-capacity magazines

Stay prepared and perform with confidence. The Magpul PMAG 20 LR/SR Gen M3 Window 20 Round Magazine in .308 Win delivers durability, visibility, and reliability for every shot.