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Knights Armament
Overview
The Knights Armament M4 Ras Handguard is a versatile drop-in handguard designed specifically for the AR-15 platform. At 6 inches in length, it provides ample space for mounting accessories on its Picatinny interface while maintaining a lightweight aluminum construction. This handguard is commonly found in builds featuring a carbine gas system and chambered in 5.56 NATO, making it a solid choice for builders looking to enhance their rifle's functionality.
Specifications
October 2026 on GunPartPicker
Knights Armament M4 Ras Handguard ranked #37 of the 290 handguards builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #64 of the 885 handguards builders have added. Builds with this handguard are mostly chambered in 5.56 NATO (88%, then .223 Remington 13%), mostly on carbine-length gas (86%, then mid-length 14%), and nearly all AR-15.
Today none of the 2 retailers we track has it in stock right now. Listed prices start at $280.73 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Knights Armament Sr-15 Iws Lower Receiver Complete
Colt M16 5.56 Bolt Carrier Group
CMMG AR15 Charging Handle Assembly, Black - 55BA5EC
Daniel Defense 5.56mm NATO 14.5" 1:7" CMV CHF Carbine-Length M4 Barrel Assembly 07-075-18024-018
B5 Systems Car-15 Buttstock Mil-Spec Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Knights Armament M4 Ras Handguard
| Build | Parts | Total |
|---|---|---|
 | 6 | $2087.49 |
 | 10 | $1464.89 |
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