The Kaw Valley Precision ASR Flash Hider in 1/2×28 (Kaw Valley Precision part no. KVPFHASR01) is made to work with SilencerCo suppressors that use the ASR, or Active Spring Retention, mounting system. It attaches and detaches without timing or shims, so swapping between the flash hider and a suppressor is quick. It is machined from 17-4 stainless steel with a black nitride QPQ finish. At 2.05 inches long and 3.4 ounces in this thread, it stays compact on the muzzle.

Key Specifications

• The thread is 1/2×28, the barrel thread this version is cut for.
• The mount is SilencerCo ASR, the Active Spring Retention system.
• The material is 17-4 stainless steel, a tough alloy for a muzzle device.
• The finish is black nitride QPQ, a hard, wear-resistant surface treatment.
• The overall length is 2.05 inches, short enough for compact barrels.
• The bore is .500 inch for any caliber, so one design covers different calibers.
• The weight is 3.4 ounces in the 1/2×28 thread.

Frequently Asked Questions

Which SilencerCo suppressors does it mount to? Kaw Valley Precision lists the ASR mounting systems of the Alpha (Harvester 300, Omega K Series and Octane Series), Bravo (Harvester EVO, Hybrid 46, Harvester 338, Omega 300 and Scythe-Ti) and Charlie (Saker ASR Series, Chimera 300, Omega 36M and Hybrid 46M) suppressors.

Does it need timing or shims? No. It is designed to attach and detach without timing or shims.

Is it caliber specific? No. The bore is .500 inch and the maker lists it for any caliber, so check that your barrel is threaded 1/2×28.

Buy the Kaw Valley Precision ASR Flash Hider, 1/2×28

Run a flash hider on the same ASR mount your suppressor uses with this Kaw Valley Precision part, and see more AR muzzle devices while you are here. Order it from our Lubbock, Texas gun shop for fast, insured shipping.