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Posted: 6/30/2009 2:39:25 AM EDT
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I know the Army DMR uses the TA31 but are the BDCs for ACOG like the TA11 calibrated for a certain barrel length? I am putting together a DMR clone..20 inch barrel, flat top...plan to shoot 77s and 75s out of it...
Anyone know good prices on ACOGs for a service member? |
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The TA11 calibrated for 308 is reportedly a good fit for a flattop AR15 shooting the heavier 75-77 grain loads. Though I'm sure most stadia crosshairs on any ACOG would still deliver center mass hits. It's all a crude holdover anyway, so I wouldn't let the matter keep you up at night. If you're kicking up dust 20 feet in front of your target at 600 yards just aim a little higher for the next one! You have 30 chances to gitrdone!
Stay safe out there! 
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