Red dot m1a sight in

[country_boy]

Sight it in at 25yds and use a conversion chart.

What chart?

 

[jrbfishn]

2 MOA dot is 2" at 100 yards and 4" at 200 yards. Approximately 1" per 100 yards. If you know the moa size of the dot, you can use them to hold over/under if you know the bullet path. The farther you zero, the more accurate your zero will be to a point.
With a 3 moa dot, I use a 3"-4" stick on target and zero at 100 yards. Easy head shot to at least 150 yards and torso shots farther depending on caliber and drop.
There are videos on how to use the dot for hold overs but I can't find them right now.

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[country_boy]

It’s a 2 Moa dot

 

[jrbfishn]

I won't make it to the range this weekend but I will next weekend if you need help with it.

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[ZX9RCAM]

What chart?

The Winchester Ballistic Calculator

The Winchester Ballistic Calculator allows you to select your Winchester product and view the real trajectory from that product. Compare up to 4 Winchester products and see how they compare.

ballisticscalculator.winchester.com

 

[Big Green]

Either 36yds which may also be a pretty good 300yd zero (works withM855, not sure how close 308!would be) or just zero for 50-75 yds.

My SOCOM 16 with a Comp M4S is currently zeroed at 100 but I’ll be bringing it back to either 50 or 36.

 

[country_boy]

Zeroed at 50, and aim slightly low at 100 and I’m center mass every dang time.

 

[country_boy]

I won't make it to the range this weekend but I will next weekend if you need help with it.

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Got it done Jimmy.

She’s zeroed in.

 

[IXLR8]

It may be my decreasing eyesight but 100 yd requires more than 1x now. If you do better then congratulations.

 

[jrbfishn]

Got it done Jimmy.

She’s zeroed in.

Dood deal. Now just learn to use the dot to estimate corrections.

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