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Posted: 1/29/2008 3:01:58 PM EDT
| My current build will consist of 18" Noveske barrel SPR witha Vltor Full size VIS I'm thinking of installing an Acog do I go with the TA31RCO A 4 for 20" or the TA31RCO M4 for 16" ? |
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I am not sure of the technical differences in the two, but say your 18"er is exactly in-between the two models and either could be zero'd to your 18............ I would go with the M4 RCO, since the scope would likely serve time on other rifles, most of which are 16"ers or less. make sense? |
You won't be able to tell much difference in either of them. I would opt for the M4 as well, hardly anyone uses the exact ammo we calibrate them for 
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