This thread-on muzzle is compatible with Lapco - Nemeis - S6 Tactical muzzle threaded barrel tip (comes with a fitting adapter). Aluminum alloy construction
Diameter: 1.25 inch
Length: 4.5 inch
7/8 muzzle threads compatible to:
Hammerhead Classic Barrels
Tiberius/First Strike Barrels
Lapco Barrels
Nemesis Barrels
EMF200 Barrel
S63 Tactical 4-Piece Barrel System
Planet Eclipse Barrel With Muzzle Tip