Magpul PMAG 20 GEN M3 5.56x45mm 20-Round Magazine

Magpul PMAG 20 AR/M4 GEN M3 20-Round Magazine is a polymer rifle magazine designed to feed 5.56x45mm NATO (.223 Remington) cartridges into AR-15/M4 compatible weapons. It provides a 20-round capacity for standard AR platforms and related rifles.

This magazine is built to provide reliable feeding and straightforward field maintenance for AR-15/M4 type systems. The GEN M3 incorporates updated material technology and manufacturing processes intended to improve strength, durability, and service life to meet rigorous performance expectations. It is optimized for Colt-spec AR-15/M4 platforms while modified internal and external geometry permits operation in a range of other compatible weapons.

• Capacity: 20 rounds for 5.56x45mm NATO / .223 Remington.
• Material: Polymer body for reduced weight and impact resistance.
• Spring: Long-life USGI-spec stainless steel spring for commonality and consistent feeding.
• Follower: Four-way anti-tilt follower to promote reliable cartridge alignment.
• Internal geometry: Constant-curve internal profile to support dependable feeding.
• Floorplate: Flared, easy-to-disassemble floorplate for extraction and improved drop protection.
• Spine features: Over-travel stop to help prevent over-insertion on compatible weapons.
• Finish/Color: Black exterior texture with low-profile ribs and aggressive front/rear texture for positive handling.
• Identification: Paint-pen dot matrix on bottom panel for simple marking and identification.

Specifications & Construction
Body construction is polymer. The magazine uses a USGI-spec stainless steel spring and a four-way anti-tilt follower. Finish is black. Tool-less disassembly is supported via the removable flared floorplate. Specific dimensions and weight are not provided in the supplied data.

Compatibility & Intended Use
Designed primarily for AR-15/M4 style rifles and optimized for Colt-spec AR-15/M4 platforms. The GEN M3’s modified geometry also permits use in a range of other firearms where PMAG M3 geometry is supported. Typical use cases include range, training, patrol, and other AR-15/M4 applications where a 20-round magazine is desired.