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9/22/2017 12:11:25 AM
Posted: 9/26/2005 10:37:00 AM EDT
I'm looking to get one of these for my new AR10, and would like to run some numbers to see how my chosen load (155 grain AMAX TAP) compares to the BDC lines on the TA11C. All I can find is that it's a 168 grain bullet. Does anyone have more precise data? (Velocity, BC, height over bore)?
Link Posted: 9/26/2005 1:40:36 PM EDT
[Last Edit: 9/26/2005 1:43:20 PM EDT by PerryF]
Link Posted: 9/26/2005 1:58:24 PM EDT
[Last Edit: 9/26/2005 1:58:48 PM EDT by Kreutzberg]
I asked a fairly similar question, and got the following "official" info:

TA11C Calibration

Sight over bore: 2.815 inches
Bullet: 168gr OTM match, not sure if Sierra or another (e.g. Hornady)
Muzzle velocity: 2680 fps
Altitude/pressure: not sure but assuming sea level

Thread

I was kind of curious about the discrepancy myself. It makes quite a difference in BDC calculations. Anyone have a feeling/read on which is more accurate?
Link Posted: 9/27/2005 6:17:13 AM EDT

Fairly sure that it is caliberated for 168 grain and IIRC it is caliberated for mounting on top of a carry handle. The TA11E is caliberated for a flattop.
Link Posted: 9/27/2005 11:44:19 AM EDT
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