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Posted: 5/8/2018 11:45:06 AM EDT
Just bought a M&P 10, .308. Looking for a optic. I've been impressed with the concept behind the ACSS optics by Primary Arms.

I was using JBM Ballistics Trajectory Calculator with my measured muzzle velocity to predict what my trajectory would be. After doing those calculations, I find that the muzzle velocity required to match the BDC is much higher than I can achieve with a 16" barrel. Or maybe I'm overlooking a factor.

Has anyone put a ACSS BDC scope on a 16" barrel (with muzzle velocity of 2490 fps and 175 gr SMK) and had success with the BDC reticle? BTW, I define success as being able to hit steel silhouettes at up to 600 yards with a .308.

Thanks for your input.
Link Posted: 5/8/2018 1:36:35 PM EDT
Your good to go...I run one on a 16 inch. You’ll love the scope.
Link Posted: 5/8/2018 3:16:25 PM EDT
[Last Edit: 5/8/2018 3:17:27 PM EDT by Alaskanforfreedom]
You did most of the work I just chose the cartridge and plugged the data into Strelok. Here's the holdovers 50 yard zero +1.5 MOA in elevation to get them to line up better. Just keep in mind I have a very low height over sea level at my range only 80 ft so your actual numbers may be off.
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