Description
AR-15 20 round magazine for sale — the Magpul PMAG 20 AR/M4 GEN M3 is a durable 20-round polymer magazine designed for compatible AR-15 and M4 platforms chambered in 5.56×45mm NATO or .223 Remington. The MAG560-BLK combines a compact profile with the strength, reliability, and handling features of Magpul’s GEN M3 design.
The Magpul 20 round 5.56 magazine uses updated materials and manufacturing processes to improve strength, durability, and dependable operation. Its constant-curve internal geometry and four-way anti-tilt follower help support smooth feeding, while the long-life USGI-spec stainless-steel spring provides corrosion-resistant performance.
Modified internal and external dimensions expand compatibility beyond standard Colt-spec platforms. This 20 round AR-15 magazine may also operate with selected HK416, MR556A1, M27 IAR, British SA-80, and FN SCAR MK16/16S firearms.
A redesigned rear bolt-catch notch provides additional clearance, while the spine over-travel stop helps prevent the magazine from being inserted too far in compatible firearms. Low-profile ribs and aggressive front and rear texturing provide a secure grip in different shooting conditions.
The flared floorplate supports positive extraction, handling, and drop protection. It can be removed without specialized tools for cleaning and maintenance, and its slimmer design fits more easily into many double- and triple-magazine pouches. A paint-pen dot matrix on the bottom panel allows simple magazine identification.
Key features
- 20-round capacity.
- Designed for 5.56×45mm NATO and .223 Remington.
- Compatible with AR-15 and M4-pattern firearms.
- Updated polymer construction for improved strength and durability.
- Modified geometry for broader platform compatibility.
- Long-life USGI-spec stainless-steel spring.
- Four-way anti-tilt follower.
- Constant-curve internal geometry.
- Redesigned bolt-catch notch.
- Spine over-travel stop.
- Low-profile ribs.
- Aggressive front and rear gripping texture.
- Paint-pen dot matrix for identification.
- Flared, tool-less removable floorplate.
- Improved drop protection.
- Slim profile for many double- and triple-magazine pouches.
- Made in the USA.
Product specifications
- Brand: Magpul
- Model: PMAG 20 AR/M4 GEN M3
- Model number: MAG560-BLK
- Capacity: 20 rounds
- Caliber: 5.56×45mm NATO / .223 Remington
- Platform: AR-15 / M4 compatible firearms
- Material: Polymer
- Type: Detachable magazine
- Finish: Black
- Country of manufacture: USA
Verify compatibility with your specific firearm before ordering, particularly when using a non-Colt-spec platform. Follow all applicable magazine-capacity and purchasing laws in your location.
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