The Five Stone Tactical Mini adapter is a Plan B-compatible suppressor adapter designed to provide a lightweight and compact mounting solution for compatible Plan B-style muzzle devices. Manufactured from 17-4 PH H900 stainless steel, and offered with 1/2x28 bored to 9mm or 5/8x24 bored to 0.465 thread pitches to accommodate a variety of rifle platforms. Its minimal-profile design helps reduce added length and weight while maintaining compatibility with Plan B-type mounting systems. FeaturesCompatible with all Plan B Muzzle DevicesAvailable in 1/2-28 and 5/8-24 thread sizesFits Plan B type mounts