Gen 3 Glock 17/22 and 26/27 lower receivers. You can build these s in .40/357/9mm This is considered a firearm and you have to do a background check. I am a home based ffl so you have to be able to pass a background check. 21+ And AZ resident. Call or text any time thank you. REDACTED I take credit card but at a 3% fee. 150 plus tax. $162.15 out the door