If you need a lower because you have so many extra parts left over from your Glock project here it is! Lone Wolf has been making after market arts for Glock for over 20 years. There polymer 80s are considered to be some of the best and now this one is completed AND serialized so you can carry hassle free.No worries about changing laws on your un registered poly lowers.  All you need is a Glock 17 or 22 upper and you have a new complete pistol.  Asking $165