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AR15.COM
1/17/2010 9:52:47 AM EDT
Is the TA31RCO-M150CP-G's BDC calibrated for carbines or 20" barrels? I've looked around and found different answers.

1/17/2010 10:00:15 AM EDT
[#1]
Ask trijicon.
1/17/2010 10:32:43 AM EDT
[#2]
From everything I've heard, 14.5.
1/17/2010 10:35:17 AM EDT
[#3]
I recall reading somewhere that the ballistic differences between a rifle and a carbine were *similar* enough that one reticle was used to be put on either weapon. Do not know if this is true or not. I have one of those ACOG's and was looking for the answer myself a while back (I have it on a carbine FWIW).

Paging Molon!
1/17/2010 10:44:52 AM EDT
[#4]
And for what ammo?
1/17/2010 10:45:35 AM EDT
[#5]
Quoted:
And for what ammo?


M855 "green tip"

1/17/2010 10:48:24 AM EDT
[#6]
I'm using a flat top 16" bbl exclusively with M855.