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.22LR @ 180 yards- Does this seem reasonable?

 
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  #15  
Old 03-09-2010, 11:10 PM
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Re: .22LR @ 180 yards- Does this seem reasonable?

I went to the range today and zero'd the rifle at 100 yards. The best group was the last three. All three touching in a cloverleaf right in the middle of the bullseye.

Someone posted about weighing / sorting the rounds and I now understand why A box of 50 rounds seems to have little clumps of bullets that shoot nearly the same, in no particular order, but sometimes coming in series with one another. It took me a few rounds to stop chasing impacts with the turret but once I did that I could see a pattern forming.

The net result of today's trip was that I now have a drop chart for my rifle (with the ammo I used today) and I know not to expect consistency unless I sort the bullets by weight (which I assume is going to be inconsistent due to powder charge).

Next I moved over to the 200 yard range and did some testing.

The mirage was tumbling around from a 5 - 7 mph wind coming from about 160 degrees (to my line of sight). Downrange, at about 120 yards, the wind was being blocked by trees and the 100 yard berm. At the 100 yard berm the wind seemed to be affected by it.

I put a pistol target next to my intended target to help me find the initial poi. I aimed at the top ring of the target (3' tall) and the first 5 shots hit 36" low. I dialed the scope up 18 moa and fired 5 more rounds. The group was high so I dialed down to 17 moa. This group was low so I dialed in 17.5 moa and shot the last group. Bingo. Unfortunately I didn't keep the target. Groups were in the 3" - 4" range with the best being about 2.5" I think that if the wind would have layed I could have tightened that up a little.

I am glad that I finally made it to the range but I have a lot more fun shooting cow poo in my pasture Range estimating and windage make it more fun
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  #16  
Old 03-19-2010, 06:41 AM
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Re: .22LR @ 180 yards- Does this seem reasonable?

With my TC Classic and a bushnell 3x9 .22 scope, I can routinely shoot MOA 5 shot groups at 100. (I count on it out when I take the rifle out of the case). Shoots wolf target best and then toss up with REM SubSonics and CCI SGB ammo. Zero at 50, top of bottom retical post is dead on at 100. I will take head shots at crows within 100 and can make them (but not always ). .22 rimfire rifles are just flat fun. rc
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  #17  
Old 03-24-2010, 12:42 AM
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Re: .22LR @ 180 yards- Does this seem reasonable?

That's a very good group.

If you can get to 200 yards try an NRA SR-C target (the ones the highpower shooters will use at 200 and 300 yards).

".22 Palma" training shot at 200 on the NRA SR-C is great 1,000 yard training -- wind will affect the 40-grain .22 LR bullet like a .308 at 1,000. The X- and 10-rings are generous but realistic and will give you a good indicator of the rifle, scope, ammo, and your ability to hold groups and correct for wind changes.
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  #18  
Old 04-07-2010, 08:13 PM
308 308 is offline
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Re: .22LR @ 180 yards- Does this seem reasonable?

Good 22's and good ammo will suprise you at long range.
I have a 10/22 rigged for lr work and have shot it up to 400 yards.

At 200 4 to 6 inch groups are a regular happening in no wind conditions.

At my friends range at the 200 yard target we have a 12" circle and a 4" circle metal plate and when every thing is just right you can keep 4 of 5 on the 4" plate at 200, but here again I reiterate its got to be one of those no wind days. Later 308
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  #19  
Old 04-08-2010, 08:44 AM
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Re: .22LR @ 180 yards- Does this seem reasonable?

I have two rifles I shoot LR with quite a bit but to date I haven't spent much time on shooting paper which I really need to do but I just seem to find more time to shoot PD's than I do paper.
Rifle #1 is a Kimber 22 SVT with a Leupold w/Stoney Point Turrets 6.5X20X40
Rifle #2 is a Remington 541 HB with a Nikon UCC w/Turrets in 6.5X20X40
Both are very accurate rifles with Wolf TM ammo and 100yd MOA groups are very easy on a calm day, and I mean little or no wind at all. Kick it up to 10-15 and forget groups. Especially if its a variable wind. Go any higher and forget it altogether.
One thing I do a lot of and that if forgetting about the paper except for getting the gun shooting pretty much dead on giving me a starting point and then walking the shots in on PD's This works even in the wind unless its too variable but once you get close then its just using a bit of Kentucky windage. Its a whole lot more fun trying to hit a PD at 400 than paper at 200.
I keep watching your thread to see what your getting for drops so I can work it into my data. Gives me more time to shoot Pd's rather than paper that way.
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  #20  
Old 04-08-2010, 09:00 AM
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Re: .22LR @ 180 yards- Does this seem reasonable?

Bill,

Here's the zero wind range data that I worked up the other day. I cross referenced this with LoadBase 3.0 calculations. Ie I shot at 100 and 200, input the data, adjusted velocity until it matched, then wrote down the intermediate and longer values.

Yards MOA
100 0.00
125 3.90
150 8.10
175 12.60
200 17.50
225 22.40
250 22.70
275 33.20
300 39.00
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  #21  
Old 04-09-2010, 08:36 AM
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Re: .22LR @ 180 yards- Does this seem reasonable?

Thanks, those drops pretty closely follow what I have wrote down. Which kind of ammo are you using and the stated velocity for it?
No wonder I'm running out of scope with those drops. Also the reason for the Kentucky windage. needed. Going to have to find a better scope base as I hate using more spacers using the Leupold rings and bases. I think it puts a bit of stress on the tube. Might have to switch to the Burris rings to get rid of the pressure so I can get more elevation. Just some thoughts is all.
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