Knights Armament Urx 4 M-LOK Handguard 13"
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Knights Armament
Overview
The Knights Armament URX 4 M-Lok Handguard is a 13-inch aluminum handguard designed specifically for the AR-15 platform. Featuring an M-LOK mounting interface, this handguard allows for easy attachment of accessories while maintaining a lightweight and durable profile. It is commonly found in builds utilizing a blowback gas system and chambered in 5.56 NATO, making it a solid choice for versatile shooting applications.
Specifications
Build history on GunPartPicker
Builders on GunPartPicker first added the Knights Armament Urx 4 M-LOK Handguard 13" to a build in March 2026.
It was out of stock everywhere we track for all of August 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $289.99 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 4 builds that include this one
Strike Industries LINK Curved Foregrip - Black
Rosco Manufacturing Bloodline 9mm AR-15 Barrel Medium Weight - 14.5"
Radian Weapons AR-15 Raptor/talon L/s Combo Black Anodized
ODIN Works 9mm AR-15 Bolt Carrier Group - Nitride
BLEM PSA AR15 Complete Classic Stealth Lower, Black
CMMG AR-15 A2 Compensator KIT 1/2-28 5.56mm
Builds Featuring This Part
See all 2 →Builds in the community that include the Knights Armament Urx 4 M-Lok Handguard 13"
| Build | Parts | Total |
|---|---|---|
 | 14 | $1680.07 |
| 12 | $1406.05 |
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