10/30 Magpul PMAG AR/M4 GEN M3 Window — .223/5.56 (MCT)
A full-size 30-round PMAG body, permanently modified to a 10-round capacity for compliance in restricted states — with MagLevel windows for rapid round checks.
Key Specs:
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Caliber: .223 Remington / 5.56 NATO
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Capacity: 10 rounds (30-round body)
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Color: MCT (Medium Coyote Tan)
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Material: Next-gen impact- and crush-resistant polymer
Modification Details:
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Internally modified with proprietary, heat- and chemical-resistant limiter.
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Floorplate permanently sealed with industrial polymer adhesive — no disassembly.
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Full spring travel retained — no compromise on feeding performance.
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Note: Ranger Plate upgrades must be selected before modification — cannot be added later.
Magpul GEN M3 Window Features:
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Durable dual-side MagLevel windows with high-visibility indicator spring.
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Constant-curve internal geometry for smooth, reliable feeding.
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Four-way anti-tilt, self-lubricating follower.
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Stainless steel spring, USGI-spec, corrosion resistant.
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Aggressive front/rear texture and ribbed gripping surface for positive control.
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Flared floorplate for improved handling and better pouch compatibility.
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Paint pen dot matrix for easy marking and ID.
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Over-travel stop on spine to prevent over-insertion.
Compatibility:
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Fits AR-15, M4, M16, HK 416/MR556A1, M27 IAR, British SA-80, FN SCAR MK 16/16S, and other STANAG 4179 platforms.
Note:
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Rounds not visible at 10-round capacity — only the spring coil is seen in the window.
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Impact/Dust Cover no longer included — sold separately.
Made in the USA.


Jean B (verified owner) –
Put in my order for 4. Few days later at my doorstep. Quick delivery, great customer service, and all mags perfect for the range. Easy buy easy delivery. Ty J