SHIM KIT, RAPID-THREAD MUZZLE BRAKE, WHISPER SUPPRESSOR, 1/2"X28 ID

Replacement shim kit for Wilson Combat Rapid Thread Attachment (SP-RTMB) and Flat Back Attachment (SP-RTMBFB-556) with a 1/2"x28 thread pitch.

This replacement shim kit includes all shims to properly time your Whisper Rapid Thread Attachment to your rifle barrel.

• Precision ground shims
• Sized for .22 caliber muzzle threads

Click Here for Shim Kit Instructions