Custom 4" Barrel Extension (M18x1) for S45 Mini Compact and S45 Super Shorty and all M50 Pistols
Custom (M18×1) 4" Barrel Extender kit for BinTac BW S45 Series, Element Max, HP Max in 457/50/510s, and M50 pistols.
These will fit any gun from any manufacturer using a thread pitch of (M18×1).
