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The PMAG 20 LR/SR GEN M3 Window is purpose-built for shooters running SR25 and M110-pattern rifles who want a compact, reliable mag that won't weigh them down. This 20-round magazine pairs next-generation polymer construction with Magpul's proven feeding geometry to deliver both durability and performance in the field or at the range. The lightweight design means less burden on your kit without sacrificing the capacity you need.
The dual-side transparent windows on this magazine do more than just look good. They're part of Magpul's MagLevel system, which uses a high-visibility indicator coil on the spring paired with numerical markers on the magazine body to give you an instant visual of your round count. This situational awareness feature doesn't compromise durability or reliability in any way, so you get the best of both worlds.
From the textured grip surfaces to the flared floorplate, every detail is designed with actual shooting in mind. The low-profile ribs and aggressive front and rear texturing provide positive control even when your hands are wet, cold, or gloved. The floorplate is slimmer than previous designs to fit smoothly in tight double and triple magazine pouches while still improving drop protection. Disassembly for cleaning is straightforward and doesn't require tools, making maintenance simple when you need it.
Inside, you'll find a stainless-steel, corrosion-resistant spring paired with an anti-tilt, self-lubricating follower and constant-curve internal geometry that ensures smooth, reliable feeding shot after shot. The magazine is designed specifically for SAAMI-spec ammunition and weighs less than half what a standard steel mag does, while its service life is approximately equal to the barrel it feeds. A paint pen dot matrix on the base lets you mark your magazines for quick identification between loads.
This magazine is specifically designed for SR25 and M110-pattern rifles chambered in 7.62×51 NATO. It's compatible with rifles like the LaRue OBR, KAC SR25, and similar precision semi-automatic platforms. Check your specific rifle's manual to confirm compatibility, as some earlier-generation platforms may require different magazines.
The transparent windows on both sides let you see inside the magazine, while a painted indicator coil on the spring and numerical markers on the magazine body show your approximate round count at a glance. You can see if you're loaded up, topped off, or running low without opening the magazine or counting by feel.
Yes. This polymer magazine weighs less than half what standard-issue steel magazines do, making it significantly lighter while maintaining the same durability and feeding reliability. The weight savings add up across multiple mags when you're carrying a full load.
Absolutely. The magazine disassembles without tools using the flared floorplate, so you can break it down for cleaning whenever needed. The anti-tilt follower and simple design make maintenance straightforward compared to older magazine designs. The stainless-steel spring also resists corrosion, so it won't rust even if stored long-term.
| UPC | 840815148708 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MAG1429-MCT |
| Caliber/Gauge | .308 / 7.62 NATO |
| Capacity | 20 |
| Color | Coyote |
| Model | |
| Product Type | Magazine |
| Quantity | 1 |
| Shipping Weight | 0.379 |
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