10/20 Magpul Pmag Gen M3 AR10 Window Magazine (308/762) MCT

10/20 Magpul PMAG 20LR/SR GEN M3 Window — .308/7.62 (MCT)

The trusted Magpul PMAG 20LR/SR GEN M3 Window — now permanently modified to 10-round capacity for compliance in restricted states.

Key Specs:

• Caliber: .308 Winchester / 7.62×51 NATO

• Capacity: 10 rounds (in a 20-round body)

• Color: Medium Coyote Tan (MCT)

• Material: Impact- and crush-resistant polymer

• Optional Upgrade: Install a Black Ranger Plate (see options)

Modification Details:

• Permanently limited to 10 rounds — cannot be converted back.

• Internal modification with floorplate sealed using industrial adhesive.

• Maintains full spring travel — preserves original feeding reliability.

• Note: Due to 10-round limit, brass is not visible in the mag-level windows; the high-visibility spring coil will be visible instead.

PMAG 20LR/SR GEN M3 Window Features:

• Dual-side transparent windows with round-count markers (MagLevel system).

• Constant-curve internal geometry for smooth feeding.

• Anti-tilt, self-lubricating follower for reliability.

• Stainless steel, corrosion-resistant spring.

• Low-profile ribs and aggressive texture for secure handling.

• Paint pen dot matrix for easy marking and ID.

Compatibility:

• Fits SR25, DPMS LR308, S&W M&P10, LWRC REPR, LaRue OBR, POF P-308, and similar SR25-pattern rifles.
  ⚠️ Not compatible with Armalite AR-10, FN SCAR 17S, RRA LAR-8, or HK91/G3 mags.

Made in the USA.
Impact/Dust Cover not included — sold separately.