The Kaw Valley Precision ASR Muzzle Brake in 1/2×28 is a muzzle brake made to work with SilencerCo ASR (Active Spring Retention) mounting systems (brand part no. KVPBRAKEASR01). Kaw Valley Precision says it attaches and detaches quickly and without timing or shims, for hassle-free changes to your setup. The brake is cut from 17-4 stainless steel and finished in black nitride QPQ. It is a good fit for shooters who already run an ASR suppressor and want a brake that matches.

Key Specifications

• The thread pitch is 1/2×28, the common thread for 5.56 and 9mm rifles and pistols.
• The material is 17-4 stainless steel, a strong, corrosion-resistant alloy.
• The finish is black nitride QPQ, a hard, low-glare surface treatment.
• Overall length is 2.05 inches.
• The bore is .500 inch and works with any caliber that fits the thread.
• The weight is 3.6 ounces in the 1/2×28 thread.
• It mounts to SilencerCo ASR systems and installs with no timing or shims.

Frequently Asked Questions

Which suppressors does this fit? Kaw Valley Precision lists it as compatible with SilencerCo ASR mounting systems, including the Alpha, Bravo and Charlie ASR mounts.

Do I need to time it or use shims? No. Kaw Valley Precision states the brake attaches and detaches without timing or shims.

What thread does this version use? This listing is the 1/2×28 version; the brake is also offered in other thread patterns as separate listings.

Buy the Kaw Valley Precision ASR Muzzle Brake, 1/2×28

If your suppressor mounts with ASR, this brake gives you a matching muzzle device that goes on and off without fuss. Order it with our other AR muzzle devices from our Lubbock, Texas shop for fast direct shipping.