06-03-2011, 12:12 AM
I don't know....I thought a quarter was an inch and the holes in the paper were poking out around the quarter just a tiny little bit. Anyways, good enough for me. The TRX rail I was comparing it to is the TRX Battle Rail (quad rail) version that I have on my 5.56 upper, not the round one. Here is a picture of the rifle.
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