The Strike Systems Universal Holster from ASG is a belt mounted ambidextrous holster for many ‘hard to holster’ handguns with optics rails or mounted accessories. Many handguns with 20mm rails or adjustable stock can be difficult to carry in conventional holsters; The Strike Systems Universal Holster will fit over 100 models of handgun s and also allows for pistols with sliding or folding stocks like the B&T USW A1 to be carried. By fitting an attachment rail to your pistols own lower 20mm mounting which clicks the pistol in place. The belt paddlecan be move 360 degree.