Kaw Valley Precision Thread Adapter Features The Kaw Valley Precision Thread Adapter bridges a 13.5x1 left-hand muzzle thread to the widely supported 1/2x28 standard instantly expanding the range of compatible muzzle devices a shooter can run. Rather than requiring a barrel swap or a trip to a gunsmith this adapter threads directly onto the existing 13.5x1 LH pattern and presents a standard 1/2x28 interface at the muzzle. That makes aftermarket brakes flash hiders and suppressor mounts built for the far more common 1/2x28 thread immediately usable. The adapter is machined to close tolerances which keeps concentricity accurate for devices sensitive to alignment including suppressors. At just 1.35 overall with a .600 OD thread length the adapter adds minimal length and weight to the muzzle end of the barrel. Its compact dimensions mean it rarely interferes with handguard length or overall rifle balance once installed. Shooters who inherited or purchased a rifle with the less common 13.5x1 LH thread often find their accessory options limited until a solution like this is available. This thread adapter restores that flexibility letting the rifle take advantage of the broader 1/2x28 aftermarket without any permanent modification. Kaw Valley Precision Thread Adapter Specifications Manufacturer: Kaw Valley Precision Model: Thread Adapter Thread Conversion: 13.5x1 LH to 1/2x28 Length: 1.35 OD Thread Length: .600 Available At: GrabAGun