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High velocity accuracy

Hrsmn51

Gold $$ Contributor
The question is the high velocity ammo good enough for long range competition?
I did a short range test yesterday with some SK match high velocity. 3 shooters 3 different rifles.
Tikka T1, Sako Quad and Annie 1712 all 3 shot this batch well shooting IBS 50 yd target.
Accuracy looked pretty good and seemed consistent so we shot 50 rounds over the chrono to see how consistent.
ES =18 velocity 1183 fps
Back to the original question is this good enough to be competitive in PRS steel matches out to 300 yards?
I'm not asking about shooter skill but the consistency of the ammo.
H
 
first, I do not shoot PRS but I do shoot BPCRA 22.

I would test it at long distances. after my findings with my rifle, my lot of Lapua CX chrono'd at 1073 FPS, ES:10 and SD:1. it would hold 1/2" at 100, 1.5" at 150 meters, BUT could not hold a 15" group at 200 Meters.

I am presently shooting SK Long range and it holds about 5" at 200 meters. I just got some SK High Velocity Match and will be testing it soon.
 
I bought a brick to try at 200 yds. I'm not a competitive shooter so I tried 5 rounds in each of two rifles. A factory original Tikka T1x and an Anschutz 1416. It wasn't pretty. Tikka average velocity 1134, SD 30, ES 76. Anschutz average velocity 1200, SD 22, ES 64. Poor accuracy at 50. I realize this is a lot dependent thing, but based on the chrono and what I saw from shooting a few boxes at targets, I won't buy any more.
 
If the ES of the SK High Velocity Match was 18 fps over 50 rounds in one of the three rifles to which you refer, it may be a very good lot of ammo. Keep in mind, however, that SK lots, which are large in size, often show variation from one box to the next, so it may only be a very good box of ammo within that lot.

The results achieved at 50 yards should be very good, but its performance at longer distance remains unknown until it's tested. Ammo performance at distance varies by lot; as a result good results at 50 may not translate to good results at longer distances. In addition, performance in one rifle may not be the same as in others as each leade/bore may obturate the lead bullets differently with different results down range.

Generally speaking, an ammo with a very small ES should be a good candidate for testing at longer distances.
 
I appreciate the replies. Hopefully the weather lets up in a couple weeks and can shoot at 100-200 yds.
Conditions yesterday were not great but we did get to shoot and glean some info. I will continue to test this lot of high velocity.
SK Match in previous lots has been accurate and had an ES under 5 in 50 rounds.
I bought the high velocity because it was available, reasonably priced and wanted to give it a try.
 
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The question is the high velocity ammo good enough for long range competition?
I did a short range test yesterday with some SK match high velocity. 3 shooters 3 different rifles.
Tikka T1, Sako Quad and Annie 1712 all 3 shot this batch well shooting IBS 50 yd target.
Accuracy looked pretty good and seemed consistent so we shot 50 rounds over the chrono to see how consistent.
ES =18 velocity 1183 fps
Back to the original question is this good enough to be competitive in PRS steel matches out to 300 yards?
I'm not asking about shooter skill but the consistency of the ammo.
H
Don't know if this might be of any help, but you might check it out to get some ideas:



 
If you want to see if it shoots good at long range, the best thing to do is test it at long range. Go on a windless day, even if you have to be at the range and set up at sunrise to get those conditions. Then test using the ammo from a few different boxes of the same lot.
 
I shot at 200 and 300 . 300 yds require about 1 min of elevation. More like .58 moa , out of my rifle . 300 was at first very frustrating, but after some adjustments and alot more wind flags , I was able to hold a 6” group . This shooting out of gun that averaged 1” at 100 , 1.5 at 200 ( on a good day ) .
I’ve been wanting to try some 45 grain or heavier std vel ammo that is made for suppressor shooting. I was thinking a heavier bullet at the same velocity SHOULD be better at wind . What say you ?
 

Approximate Elevation Table for .22 LR Ammunition

It is very useful to memorise how to construct the approximate elevation table, so as to be able to carry out on-range adjustments as necessary. The table is set out below. It is not exact, but it is close enough to enable you to hit near the middle of the target.

Range (yards) Rise (minutes) Total Elevation (minutes)
0 00
10016 16
20020 36
300 24 60
40028 88
50032 120
60036 156
 
Ggmac- your numbers are slightly skewed from mine with a 22rf. I just shot a match Sunday and reviewing my dope - at 200 my scope setting was 24.6 minutes up, at 300 it was 46.4 minutes up. We had 15 mph wind from the 2 o'clock position and my struggles were the gusts but my strikes were (would have been) on the 5" and the 10" plates respectively - my score was only 40% and 30% also respectively.
 
Not MOA
1.5 mil for 100 7mil for 200 today 3 different varieties centerX, SK lr match, Ely target
8 inches fresh snow and 30 degrees but no wind (SPRING)
H
 

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