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Ergo m4 quad rail extension - Ergo Grip AR-15 M4 Forward Rails for Front Sight Base

by Red fox, from NC, United States Written on December 16, 2015
Review for Ergo Grip AR-15 M4 Forward Rails for Front Sight Base
Ergo Grip AR-15 M4 Forward Rails for Front Sight Base
Ergo Grip AR-15 M4 Forward Rails for Front Sight Base
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Red fox's Review of Ergo Grip AR-15 M4 Forward Rails for Front Sight Base

Used this on a colt 6940 monolithic upper as a rail extension. Had to machine it some to fit but worked great. Rock solid but a little on the heavy side. Also the product I recieved didn't have the white lettering as seen in the example photo. No big deal when you add accessories since the rail is covered.
Pros:
  • Very well made!
Cons:
  • None
Would Recommend: Yes
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