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Posted: 1/13/2006 9:28:52 AM EDT
I'd like to sight my Bushmaster M4 in for 150m, but I don't have a range that big close to me. Can someone explain to me in laymans tems how I would go about zeroing it in for 150m at lets say 50 ft. I might be able to make it out to a 100 yard range if the weather holds up. I was shooting targets the size of half dollars at 50ft a week ago, and pretty much hitting dead on, does anyone know where I would have been hitting if I was shooting at a target at 150m? I am thinking I would have been pretty high. Also, is a half dollar about the size of a human silloute (don't think I spelled that right) at 50ft?
Link Posted: 1/13/2006 9:35:52 AM EDT
IIRC, and I could be wrong, but for general purposes if you sight in at 50 you'll be on at 200. Everything in between will be pretty damn close.
Link Posted: 1/13/2006 9:36:36 AM EDT
[Last Edit: 1/13/2006 9:37:02 AM EDT by mr_wilson]
FWIW most of us using red-dots use the IBZ Santose method here: groups.msn.com/TheMarylandAR15ShootersSite/zeroingmethods.msnw

Sighting your rifle in at 50 yards should place you dead on 200 yards.

You'll be around 1.5" high at 100 yards and about 2-3 inches low at 300 yards.

Note: depending on what your barrel length is, (as you did not say) the figures above are for 14.5" or 16" barrels.

Mike
Link Posted: 1/13/2006 10:47:40 AM EDT
I sight my EOtech in at 50 yards. Works great.
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