Zeroing an ACOG - Help a Confused Brother Out
I've been reading online for a while and have reached the point where I'm just confused. I want to zero my 4X ACOG for my 14.5" Colt SOCOM rifle. I do not have access to a 100 meter range target, only 100 yards (fixed target stands). I want to 100 meter my ACOG so I get the best possible performance out of it. I am assuming it is calibrated for the 62gr M855 round, correct? So that's one thing. I should zero it with that ammo, but am unclear what results I'll get if I use 55gr or 77gr bullets. I should zero it at 100 meters, but again, I do not have access to a 100 meter distance. I can probably get a good 25 meter target set up, but then I'm not at 100 meter.
Your advice would be appreciated.
Zeroing an ACOG - Help a Confused Brother Out
I would agree about zeroing at 100 yds and verifying at the other distances. You’ll probably be very close.
If you really want to do it right, you can “recalibrate” the reticle for your ammo and barrel length with a chronograph and by getting the subtension drops (MOA) from Trijicon for your reticle.
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