Allows use of 5/8x24 threaded silencers/muzzle devices on 1/2x28 threaded barrels
Machined from 17-4 PH Stainless Steel and heat treated to the H900 condition
Only adds .19" to system length
3/4" rear hex fits any standard armorers wrench
All threads and critical alignment surfaces CNC machined in one operation to ensure perfect alignment
Only .4 ounces
