If you're after the minimalist, Schuyler has them available.der Teufel wrote:...except that the Griffin Taper Mount Muzzle Brakes are suddenly made of unobtanium...
The challenge coin came about as a fix when some folks complained that the acme threads on the SDTA muzzle brakes wouldn't stay tight. The regular threads and 12° taper on the Griffin brakes don't seem to have the same problem.The Annoyed Man wrote:...when I had the challenge coin in mine, it would get so tight onto the Griffin taper mount after shooting a while that I couldn't get the adapter dismounted from the mount...