TR50 HDR50 TR50L M4 Carbine SR25 Sniper Thread-On Silencer (17mm muzzle threads)

This is a thread-on silencer with 17mm threads, easy to installation and removal.  This version, the barrel is attached to the back end of the silencer and the barrel does not recess into the silencer (comes with a fitting adapter). Aluminum alloy construction.
Diameter: 1.5 inch
Length: 13.5 inch