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AR15.COM
9/30/2016 6:05:06 AM EDT
I'm just finishing up a build using my third geissele rail

i have an 13 in mk2 on a sig m400
i have a 9.5 in mk8 on my aero upper
neither of these show any rail gap, they fit together flush and feel rock solid,

finally on my latest build i have a 13 in mk8 on another aero precision upper, this one is displaying a very small gap between the rail and receiver. its probably 3 note cards thick if that just to  to give you a general idea.
i know the gap is minimal. but it gives it a "hollow" feel.
its driving me nuts
my main concern is wouldn't that gap leave sort of a leverage point if the rail took a hard hit near the muzzle?

does any one else have this issue?




9/30/2016 6:14:51 PM EDT
[#1]
Send us an email to [email protected], attach a few pictures and we will figure out  what is going on.

-Geissele Customer Service