Item #:
840815100140
UPC: #:
840815100140
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Magpul PMAG GEN M3 25rd 308/7.62 NATO AR-10 Magazine Black

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The Magpul PMAG GEN M3 25-round magazine delivers reliable feeding and enhanced capacity for AR-10 pattern rifles chambered in 308 Winchester and 7.62x51mm NATO. This detachable magazine features a translucent capacity window that allows shooters to monitor ammunition levels without removing the magazine from the rifle.

What Makes This Different

The GEN M3 design incorporates Magpul's advanced polymer construction with reinforced feed lips and a constant-curve body geometry that ensures consistent feeding under stress. Unlike standard steel magazines that can dent or corrode, this polymer construction maintains dimensional stability across temperature extremes from -50°F to 180°F. The integrated capacity window provides instant visual confirmation of remaining rounds without compromising structural integrity.

Key Features

  • 25-round capacity with translucent window for ammunition counting
  • Compatible with AR-10, M110, SR25, and DPMS pattern rifles
  • Self-lubricating polymer construction resists corrosion and impact damage
  • Constant-curve internal geometry optimizes feeding reliability
  • Reinforced steel feed lips prevent deformation under load
  • Textured grip surfaces and flared floorplate for positive handling
  • Paint pen dot matrix on floorplate for identification marking
Field testing demonstrates consistent feeding across various bullet weights from 147-grain to 175-grain match ammunition. The magazine functions reliably in both semi-automatic and precision rifle applications, making it suitable for competitive shooting, hunting, and tactical use. The polymer body resists cracking from drops onto concrete and maintains feeding reliability after extended storage while loaded.

Technical Specs

  • Capacity: 25 rounds
  • Caliber: 308 Winchester/7.62x51mm NATO
  • Material: Glass-filled polymer body with steel internals
  • Length: 8.8 inches
  • Width: 1.0 inch
  • Weight: 5.6 ounces empty
  • Compatibility: AR-10, M110, SR25, DPMS LR-308 pattern rifles
  • Color: Black
  • Country of Origin: USA
The PMAG GEN M3 represents proven magazine technology that eliminates feeding malfunctions common with inferior designs. Professional users and competitive shooters choose this magazine for its consistent performance and visual ammunition management capability.