Manufactured in Germany by Peters Stahl for Pachmayr. Kit features serrated slide with ramp front sight and an adjustable rear sight, one magazine, two replacement front sight blades and two Allen wrenches in a wood case. Barrel is marked on the left side "Pachmayr accuracy PSW III Cal.22 Lr." On the right side it is marked "PETERS/STAHL Made in Germany/Pat.pend. A-HP 033". Near new with only small assembly marks on the slide and bottom of the barrel. 2) Pachmayr PSW 4 Conversion Kit In Case Manufactured in Germany by Peters Stahl for Pachmayr. Kit features serrated slide with ramp front sight and an adjustable rear sight, two magazines, two replacement front sight blades and two Allen wrenches in a wood case. Barrel is marked on the left side "Pachmayr accuracy PSW IV Cal.22 Lr." On the right side it is marked "PETERS/STAHL Made in Germany/Pat.pend. A-39.00112". Near new with only faint assembly marks on the bottom of the sldie.