6.01 Mk23/Ssx23 Stainless Steel Precision Barrel 144mm

-Mk23/SSX23 compatible precision barrel

-Length fit SSX23 without modification

-Also fits TM, ASG, STTI, Y&P if you drill up the front of external barrel

-Japan made ss304 stainless steel raw tubes

-CNC made window and milled surfaces

-Suggested hop rubber is Modify X-range, compatible with all vsr type rubbers