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Page AR-15 » Optics, Mounts, and Sights
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Archived [ARCHIVED THREAD] - TA01NSN for 16" or 14.5" ??
Posted: 8/13/2003 2:44:59 AM EDT
I thought the NSN model was calibrated for the M4's 14.5" barrel. But the Trijicon website says it's calibrated for 16".

Which model is for the 16" barrels anyway?

Link Posted: 8/13/2003 6:27:37 AM EDT
[#1]
Trijicon had the eye relief values for the TA31 and TA11 reversed for about 2 years on their website, so I'd take it with a grain of salt.

Considering the TA01NSN was developed to meet the military requirements for SOPMOD and SOPMOD features the M4 carbine with a 14.5" barrel, I would guess that it is a 14.5" barrel and not a 16".

Ballistically, there isn't a lot of difference between the two though. It is less than the width of a crosshair at 600m.

Archived [ARCHIVED THREAD] - TA01NSN for 16" or 14.5" ??
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