Knights Armament AR-15 Upper Receiver Lpr Mod 2 18" Urx 4 M-LOK
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Knights Armament
Overview
The Knights Armament AR-15 Upper Receiver LPR Mod 2 features a stripped assembly designed for builders looking to customize their AR-15 platforms. With an 18-inch barrel length chambered in 5.56 NATO, this upper receiver is ideal for precision shooting and enhances accuracy while maintaining versatility. This product is commonly found in builds focused on 5.56 NATO caliber configurations, making it a solid choice for a variety of applications.
Specifications
Build history on GunPartPicker
Builders on GunPartPicker first added the Knights Armament AR-15 Upper Receiver Lpr Mod 2 18" Urx 4 M-LOK to a build in April 2026.
It was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $2,172.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 36 retailers
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