20 mao rail

EHall315

Private
Minuteman
Dec 10, 2020
19
1
Usa
Hello,
1st post for me, and I have a question.

I have a M40ish clone I been working with since the 90s, We Regularly are shooting man size steel at 600 yards. We are now starting to get out to 1000. So i am updating it a bit with a 20 mao rail.. I am thinking once I re-zero the weapon my DOPE should still be good to go? Thanking you in advance men
 

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