Tactical Solutions Glock 17/22 LR Conversion TSG-22 Std
This video showcase the simple drop in conversion kit .22 for Glock pistols by TSG.
WARNING: Never attempt to disassemble or reassemble a firearm unless you are absolutely certain that it is empty and unloaded. Visually inspect the chamber, the magazine and firing mechanism to be absolutely certain that no ammunition remains in the firearm. Disassembly and reassembly should follow the manufacturer’s instructions.