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FosTech Echo AR-II Drop In Trigger For The AR-15 Rifle

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Our Price: $475.00
We currently have 24 available.
Item Number: LRPFOSFTECHOARII
Manufacturer: FosTech
Manufacturer Part No: 639266299387
NO PROPRIETARY BOLT CARRIER NEEDED

The Echo AR-II Trigger is a ground breaking drop in design that is approved by the ATF. The Echo AR-II trigger does not come with a bolt carrier. You will need a full auto bolt carrier in your firearm for the Echo AR-II to function.

The Echo Trigger allows the shooter to select from 3 different settings

  • Safe Mode: Firearm will not fire.
  • Semi-Automatic Mode: Firearm fires when trigger is pulled.
  • Echo Mode: Firearm fires when trigger is pulled and also when trigger is released.

The Echo Trigger is designed with safety being the utmost priority. When the shooter is in the Echo Mode and depresses the trigger one round is fired, if the target moves, the shooter can move the selector to the safe position and a second round will not fire upon release.

The echo trigger has several distinct features

  • PATENTED Design that gained ATF Approval (Patent # US 8,820,211 B1)
  • Technology licensed through HIPERFIRE inside the Echo Trigger
  • Light, clean, and crisp pull in Semi-Automatic Mode
  • The Echo Trigger is packed full of cutting edge technology
  • Reliable function in Echo Mode

Product Reviews

(2 Ratings, 2 Reviews) Average Rating:
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Sometimes it is the reciver
Steve Gee (`Aurora, CO) 4/2/2018 9:17 AM
I have a Gen 1 (The older version with the cut bolt carrier). Some internal receiver dimensions are cut different at the "non critical interface" areas. I have mine in an Anderson lower and the transition area behind the trigger group / before rear take down pin was tighter than another receiver. This caused rubbing on the rear arm and made the selector also stiff to turn and trigger hard to pull. A little minor Dremel work on that area fixed the problem for me. I also suggest using anti-walk pins. I run mine with 9mm and 5.56 uppers.
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very hard to pull
MICHAEL MURPHY (Gandeeville, WV) 3/30/2018 8:14 PM
Not an accurate trigger very hard to pull in any mode, I have one for 6 weeks now. put about 600 rds. with it, about 81/2 lb. But it is more reliable than a franklin trigger. I have both. I put the lighter Trigger Improvement Spring in. still about 6 lbs. lots of slake before trigger release. but it dose a good job In the binary mode if you just need to burn up some ammo.
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