The Magpul PMAG 20 LR/SR GEN M3 is a purpose-built 20-round magazine for SR25/M110 pattern rifles and other compatible AR-10 platforms. It is optimized for SAAMI-spec 7.62×51 NATO (.308 Winchester) ammunition and is constructed from impact- and crush-resistant polymer. The design emphasizes reliable feeding and user handling in field and storage environments.
Key Specifications
- The caliber is .308 Winchester / 7.62×51 NATO for SAAMI-spec ammunition compatibility.
- The capacity is 20 rounds in a true 20-round configuration.
- The material is polymer with next-generation impact and crush resistant construction.
- The finish is black for a low-profile appearance.
- Fitment is listed as SR25/M110 pattern and compatible with many AR-10 platform rifles.
- The internal geometry uses a constant-curve body to promote smooth feeding.
- The follower is an anti-tilt, self-lubricating follower for increased reliability.
- The spring is a stainless steel spring to resist corrosion.
- The base includes a flared floorplate to aid handling and disassembly while fitting many pouches.
- The body includes a paint-pen dot matrix on the bottom panel for user identification marking.
Designed and manufactured in the United States, this PMAG 20 LR/SR GEN M3 brings Magpul’s updated GEN M3 improvements to the 20-round LR/SR form factor. The magazine includes a snap-on impact/dust cover to reduce debris intrusion during storage and transit and is significantly lighter than comparable steel magazines while maintaining longevity under normal service conditions.
With straightforward, durable construction and features focused on reliable feeding and positive handling, this magazine is a practical choice for users running SR25/M110-pattern and other compatible AR-10 rifles who prioritize dependable performance and low weight in their magazine selection.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
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