Knights Armament 5.56 M4QD Flash Suppressor KIT
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Knights Armament
Overview
The Knights Armament 5.56 M4qd Flash Suppressor Kit is a specialized muzzle device designed to reduce the visible flash signature when firing, making it ideal for tactical applications and low-light scenarios. Constructed for the 5.56 NATO caliber, this flash hider features a 1/2x28 thread pitch that allows for easy attachment to compatible barrels, ensuring a secure fit and reliable performance. This flash hider is commonly found in builds utilizing a carbine gas system and chambered in 5.56 NATO, making it a practical choice for builders focused on versatility and functionality in their firearms.
Specifications
Build history on GunPartPicker
Builders have been adding the Knights Armament 5.56 M4QD Flash Suppressor KIT to their builds on GunPartPicker since March 2026. All time, it ranks #86 of the 486 muzzle devices builders have added. Builds with this muzzle device are nearly all chambered in 5.56 NATO, mostly on carbine-length gas (83%, then mid-length 17%), and nearly all AR-15.
It was hard to find in September 2026, in stock on only 12 of the 24 days we checked, and today only KY Gun Company has it in stock. Prices barely moved in September 2026, holding around $109.99, so there haven't been real sales lately. Buying today, the lowest price is $114.71 at KY Gun Company.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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