K&M Neck tension expand mandrel for PowerStroke and V1 adapter. For accurate adjustment of the inside diameter of the cartridge neck. Supplied in 0.0005" increments. V1 Window Riser must be installed when using the V1 adapter.
K&M Neck tension expand mandrel for PowerStroke adapter. For accurate adjustment of the inside diameter of the cartridge neck. Supplied in 0.0005" increments