$25.00
If you no longer have the original parts diagram that was included in your Echo ARII booklet, you can find a pdf copy of the booklet on our website. Please navigate to the home page and scroll all the way to the bottom of your screen. There is a section in the footer titled manuals with pdf copies for each Echo Trigger.
This part will also allow most of our Original Echo Trigger customers to upgrade the Original Echo Trigger to the Echo ARII  by simply purchasing this upgraded trigger lock.  This trigger lock will allow the original Echo Triggers to no longer use the proprietary bolt carrier that came with the trigger. It will allow the trigger to function in any full-auto M16 cut bolt carrier.
This is a replacement part for the Echo ARII Trigger. You do not need to purchase this item unless the part that came with your Echo Trigger has been lost or damaged. This relates to part J on the parts diagram that came with your trigger.
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