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.22 LR AR-15 Conversion Kit
.22 LR CONVERSION KIT FOR THE AR-15 PLATFORM. Just swap this drop-in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships without a magazine. If you are purchasing this for use with the Echo Trigger, you will also need to purchase the Auto Sear Trip Kit. The Sear Trip Kit is required in order to engage the Trigger Lock and allow the trigger to be pulled. Don’t forget to order a few .22 magazines! The .22 LR Conversion Kit that is purchased from FosTecH will include an Extra Power Recoil Spring for customer installation.
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FosTecH’s .22 Caliber Auto Sear Trip Kit for the Echo AR-II Trigger or Echo Sport Trigger:
.22 Magazine to work with the CMMG .22 dedicated uppers and .22 conversions from FosTecH. 25 round capacity.
* This is for one 20 round magazine
.22 LR AR-15 Conversion Combo Pack: Everything you need to get your AR-15 shooting .22 LR with your Echo AR-II Trigger.
- 22 LR AR-15 Conversion Kit (including extra power recoil spring)
- Auto Sear Trip Kit (including extra trigger lock spring and caliber conversion hammer spring)
- (2) 25 round Magazines