I have up for sale is a 22lr Built off of a stag arms lower and a cmmg 22 Barrel and bolt carrier kit. I think the barrel is 4.5" with a kak flash can. Comes with one mag. The Handguard is a ar-v Handguard. And has a crimson trace rmr on top. It has a 1913 rail for if you want to put a Is folding bruce. Shoots really good definitely a fun gun to shoot its a really short package.