German military conversion kit with insert 22 cal barrel, and two ten round magazines to convert semi auto HK91 and clones like the PTR91, etc to semi auto 22 rimfire. This is a drop in conversion kit, no tools needed to put it in or take it out, no change to the original rifle. One magazine has been fitted to my PTR91, the other is all original. Sportsman's Guide is selling these kits at $539 plus $15 shipping = $554. I'll ship mine to your door for $525.