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Old 02-10-2018, 02:07 PM
CPD1979 CPD1979 is offline
Join Date: May 2017
Location: Ohio
Posts: 76
Default 25yd. sight in vs. 200yd.

I purchased an original 1943 Remington 03A3 with an "A" front sight. I have only been able to shoot it on a 25yd. range so far. It was a tack driver and shot one hole 5 shot groups from bench rest, dead center on the target. Does this mean that it will be dead on at 200yds? I shot only 150gr. M2 HXP ball for these results. The rear sight was set for 100yds. I know you guys have an answer for this one . . .


40 yrs. LE
OEF - 2004-2007-2010
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Old 02-10-2018, 02:29 PM
Bwcritch Bwcritch is offline
Join Date: Jul 2012
Location: Mobile, Al
Posts: 1,927

I would say that more than likely your windage would be pretty close, but your elevation may need to be adjusted. Try a few rounds at 100 yards and then go to 200. I have been working on a M1D project that I did an initial sight-in at 50 yards, everything was spot on, then 100, still spot on, then shot at some steel at ~230 yards and had to hold it the sight at the top of the steel.
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Old 02-10-2018, 02:35 PM
Jakeroub Jakeroub is offline
Join Date: Dec 2016
Location: Mass
Posts: 493

Not sure how different it is, but I know my AR-15’s 50 yard zero is very close to it’s 200 yard zero. I think the bullet is on its way up at 50 and on the way down at 200 but at very similar elevations.
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Old 02-10-2018, 10:14 PM
Blood_of_Tyrants Blood_of_Tyrants is offline
Join Date: Oct 2010
Location: Lebanon, TN 37090
Posts: 837

When you do the math, you will find that the bullet and line of sight cross at about 25 yards and 200 yards and the bullet will be about 2" high at 100 yards. There are online ballistics calculators that will verify this.
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Old 02-11-2018, 05:58 AM
CPD1979 CPD1979 is offline
Join Date: May 2017
Location: Ohio
Posts: 76

Thanks guys . . I was thinking that 06 would have similar ballistic characteristics as 5.56 or 7,62x39 where you can sight it in at 25yds (or meters) and it would be pretty much on at 200. Didn't know if I should have my rear sight set at 200 or not however. I think the "A" front sight blade is for 200yds. Could be wrong but I think this is so . .

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Old 02-11-2018, 06:34 AM
Kerz Kerz is offline
Join Date: Jan 2016
Location: Eastern KY
Posts: 351

As noted in earlier response. Might try: http://www.jbmballistics.com/cgi-bin...j_simp-5.1.cgi
You can get by with some estimates for velocity, Ballistic Coefficient (say 0.420), etc.
Preparedness+ Opportunity= Luck

Last edited by Kerz; 02-11-2018 at 06:39 AM.
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