Free Ground Shipping on Orders $100+
$299.99
The 1791 Industries LiteRaider™ LRM4 Upper Receiver is the lightest metal upper available at just 4.8 oz. Made from a Metal Matrix Composite that’s 35% lighter than 7075-T6 aluminum yet just as tough, and built to Milspec standards. Rigorously tested for reliability and proudly made in the USA, it’s the ultimate ultra-light AR-15 upgrade.
Introducing the 1791 Industries LiteRaider™ LRM4 Upper Receiver, the lightest metal upper receiver on the market. Crafted from a revolutionary Metal Matrix Composite that is 35% lighter than traditional 7075-T6 aluminum yet equally tough, the LiteRaider™ LRM4 weighs an astonishing 4.8 oz, stripped. Designed to Milspec standards, it features a forward assist port, dust cover bracket, and shell deflector, ensuring full duty functionality. Rigorously destructive tested, drop tested and environmental tested for uncompromising reliability. Proudly made in the USA, the LiteRaider™ LRM4 Series redefines durability and innovation for the AR-15 platform; and is the ultimate upgrade for a high-performance, ultra-light Duty Rifles.
Features
AR-15 / M4
© 2025 1791 Industries All Rights Reserved