SHIM KIT, RAPID-THREAD MUZZLE BRAKE, WHISPER SUPPRESSOR, 5/8"x24 ID

Replacement shim kit for Wilson Combat Rapid Thread Attachment (SP-RTMB) and Flat back Attachment (SP-RTMBFB-30).

(Not compatible with .458 SOCOM/HAM’R Rapid Thread Muzzle Brakes.)

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

• Precision ground shims
• Sized for .30 caliber muzzle threads

Click Here for Shim Kit Instructions