DESERT TECH | Quattro-15 QTRLR15B53 | Multi-Caliber AR Lower

The Desert Tech Quattro-15 (QTRLR15B53) is an AR-15 lower receiver built to accept Desert Tech’s Quadmag-53 as well as standard AR-pattern magazines. It is described as drop-in compatible with standard AR-15 upper receivers and ships with a Quad53 magazine. The Quattro-15’s design supports multi-caliber setups by maintaining AR-15 lower compatibility while offering higher-capacity magazine options. This configuration is well suited for range training and competitive shooting where magazine capacity and quick reload economy matter.

Product Specifications

• The manufacturer is DESERT TECH.
• The model/name is Desert Tech Quattro-15 (QTRLR15B53).
• The product type is an AR-15 lower receiver.
• The finish/color is Black.
• The lower accepts Quadmag-53 and standard AR-pattern magazines.
• The package includes a Quad53 (53-round) magazine.
• The lower is drop-in capable with standard AR-15 upper receivers.
• The configuration supports a 210-round loadout using four 53-round magazines, per manufacturer description.
• The listed caliber/gauge is Multi-Caliber.
• The UPC is 813865026784.
• The category is AR15 Lowers.
• Product image is available at https://media.server.theshootingwarehouse.com/large/143109.jpg.
• The short product summary is Desert Tech QTRLR15B53 Quattro-15 Multi-Caliber Black for AR-15 Includes Quad53 Magazine.

The Quattro-15 lower provides a straightforward means to add higher-capacity magazine options to an AR-15 platform while retaining compatibility with standard AR uppers. Its inclusion of the Quad53 magazine and drop-in capability make it a practical upgrade for shooters who prioritize multi-caliber flexibility and efficient range sessions. Consider this lower if you want a reliable, magazine-focused enhancement to a compatible AR-15 build.