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Davis's Review of Fostech Echo Sport AR-15 Binary Trigger
First, the description didn't mention and I missed it but you have to have the correct bolt carrier group. The "full auto" ones.
Without that it will not operate. So plan for that if need be.
Other than poor but manageable installation instructions this thing works and is alot of fun. Install isnt hard, just a few extra steps. Watch the videos about install if you need to. There are a few out there. Then just buy more ammo. You'll need it.
Without that it will not operate. So plan for that if need be.
Other than poor but manageable installation instructions this thing works and is alot of fun. Install isnt hard, just a few extra steps. Watch the videos about install if you need to. There are a few out there. Then just buy more ammo. You'll need it.
Would Recommend:
Yes
1 of 2
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