Desert Tech QUATTRO-15 Lower Receiver Assembly with one QMAG-53 Magazine

The QUATTRO-15 lower receiver accepts the QUADMAG-53, Desert Tech's 53-round magazine, and standard AR pattern magazines with an adapter (sold separately). The QUATTRO-15 lower receiver is drop-in capable with all standard AR-15 upper receivers.

The QUATTRO-15's 53-round magazines (QUADMAG-53s) give shooters the ability to carry a 210 round loadout with only 4 magazines instead of 7.

The QUADMAG-53 is a single-spring, single-follower design that allows for unrivaled reliability, especially during suppressed fire.

Specifications and Features:

QUARTTRO-15 Lower

  • MANUFACTURER: Desert Tech
  • UPC: 813865026784
  • FFL DEALER REQUIRED: Yes
  • LENGTH: 7.72"
  • WEIGHT: 9 OZ
  • ACTION: Semi-automatic
  • CAPACITY: 10 / 20 / 30 / 53
  • FINISH: Type III Hardcoat Anodize
  • TYPE: Lower
  • MODEL: QUATTRO-15
  • WIDTH: 2.22"
  • HEIGHT: 4.11"
  • ACCESSORIES: 1 QUADMAG-53 53-Round Magazine
  • CALIBER: Multicaliber
  • MODEL FIT: AR-15
  • COLOR: Black
QUADMAG-53 Magazine

  • CAPACITY: 53
  • HEIGHT: 7.323"
  • WIDTH: 1.935"
  • COLOR: Black
  • WEIGHT: 5.92 oz
  • MODEL: QMAG-53
  • CALIBER: 5.56 NATO / .223 Rem / .223 Wylde
  • COMPATIBILITY: QUATTRO-15 Lower
QUARTTRO-15 Magwell Adapter Kit

  • HEIGHT: 2.484"
  • WIDTH: 2.379"
  • COLOR: Black
  • WEIGHT: 1.8 oz
  • MODEL: ACC0292
  • COMPATIBILITY: QUATTRO-15 Lower
  • Model: QTR-LR-15-B53
  • 2 Units in Stock
  • Manufactured by: Desert Tech
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$299.99

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This product was added to our catalog on Tuesday 01 July, 2025.