Norinco cq556 vs 'merican AR's upper rail question.

Measure the rail before you order anything else though and make sure it's right... you never know...

If you do order a Magpul MBUS don't over-tighten it.
 
Easiest way would be to measure the rail against the specifications, do you have the rail spec for a 1913 rail?

Actually, someone will need them so here they are:
w w w.biggerhammer.net/picatinny/1913a_specs.pdf
 
gold river...............thats a where the fizzock is that spot.......best of luck.......any west coast islanders here or is ian from vic it??? three question marks seems assinine........eneffgee, hoook a brudda up
 
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