.22 LR AR-15 Conversion Combo Pack: Everything you need to get your AR-15 shooting .22 LR with your Echo AR-II Trigger.

Items included: .

1. 22 LR AR-15 Conversion Kit (including extra power recoil spring)


2. Auto Sear Trip Kit (including extra trigger lock spring and caliber conversion hammer spring)


3. (2) 25 round Magazines