This thread-on muzzle is compatible with any 17mm muzzle threaded barrel tip (comes with a fitting adapter). Aluminum alloy construction. Diameter: 1.15 inch Length: 1.75 inch
Needed a muzzle for my Hammerhead one shot barrel 98 thread. This fit perfectly. The size is just right. I have a 14 inch Hammerhead barrel and it looks perfect.