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1/22/2020 12:12:56 PM
Posted: 10/8/2007 3:15:09 PM EST
[Last Edit: 10/8/2007 4:02:37 PM EST by 57Strat]
I had heard that most of the ACOG 5.56mm models have the BDC calibrated for the 20" barrel. I asked about it on the optics forum and really never got a solid answer as to which models are calibrated for the 16" barrel. So I sent an inquiry to ACOG asking which models are have the BDC calibrated for the 16" barrel.

Here is Trijicon's reply:

Thank you for your interest in Trijicon products. Models TA01-NSN and TA31RCO-M4 are most closely matched to your application. Both are for flat-top calibrated for the M4 platform (14.5" barrel.)
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