Lookie here:https://www.airgunspares.com/hw95barrel22khw95barrel-22carbine.htmlNice and short too...I bet that is what SFS uses on their IMP, or whatever they call their modded HW 95. -Y
The IMP from Sandwell is a modified HW50s(HW99 for the Brits). And from watching Si Pittway for years I believe Tony from Sandwell screwcuts his own barrels.