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BCM
Durkin Tactical Franklin Armory
User Panel

Posted: 6/17/2007 11:21:54 AM EDT
I am going to get a match trigger for my LMT lower that has a RRA 20” with a wylde chamber and RRA bolt carrier.  How do I know If I need the .154 or .170 version?
Link Posted: 6/17/2007 1:02:27 PM EDT
[#1]
Measure the diameter of the hammer and trigger pin holes in the lower receiver.
Link Posted: 6/17/2007 1:34:58 PM EDT
[#2]
Only Colt has large pins.
Link Posted: 6/17/2007 1:37:13 PM EDT
[#3]
.154.

Some COLTs went with big holes.
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