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  #46  
Old 10-11-2020, 12:06 PM
jaia
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Mals, l still use a 1974 model 60. 17 shot tube.
My favorite squirrel rifle. Load it in the morning, hunt all week.

Out to 25 yards it fills the game bag.
Nobody is taking 100 yard shots in the thick North Florida underbrush.
Usually 15 to 20 yards...at that range ya' don't need match ammo.

Last edited by jaia; 10-11-2020 at 12:08 PM.
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  #47  
Old 10-11-2020, 12:31 PM
BillOH
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50 at 100. Vudoo, Bench, bipod, rear bag and a secret lot of SK Biathlon. The wind was calm to start then I got a little left to right. 50 yard zero and I held on the top middle sighter. That fly was driving me nuts. I would shoot and see a spot way over there.
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  #48  
Old 10-11-2020, 12:42 PM
jaia
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Bill, has it cooled off yet where ye'r at?
I figure if ye'r using the shooting room the cold must be already there.


100 yards, sub-moa is not "all day long", especially if ye'r shooting outdoors.
Wind really is not conducive to consistent trajectories.

Last edited by jaia; 10-11-2020 at 12:45 PM.
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  #49  
Old 10-11-2020, 12:56 PM
BillOH
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No. it's still in the 60s during the day. I had a couple of hours free and the garage is close as long as I don't want to shoot farther than 140 yards. I just shot that a few minutes ago.
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  #50  
Old 10-11-2020, 02:06 PM
jaia
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Someday, Bill, I'll have a similar setup....I hope.

Meanwhile, I entertained myself finishing off some leftovers.

Federal 36 gr cphp 22lr rated 1260 fps



CZ 455 Varmint, Lilja barrel, Sinclair bipod, Mueller 8-32X 44 target reticle



And the results

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  #51  
Old 10-11-2020, 02:08 PM
jaia
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SK Magazine 40 grain 22lr rated 1073 fps
Goober lube in a can, bring paper towels to degrease y'er fingers.



Excess bullet material crimped down past the case mouth onto the brass,
irregular seating, asymmetric drive bands...yep, it's bulk ammo.
Used a CCI box to hold 50 to keep track and keep my fingers clean.




CZ 455 Varmint Lilja, Sinclair bipod



Look at the vertical spread...some serious mv differences in those cartridges.


Last edited by jaia; 10-11-2020 at 02:18 PM.
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  #52  
Old 10-11-2020, 04:00 PM
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Quote:
Originally Posted by jaia View Post
CCI Maxi-Mag 40 grain hollow point rated 1875 fps




CZ 455 Feddersen Fuglie



Results 3.6 inches of vertical, 1.7 inches of horizontal



Better than Crackerjacks...three surprises in that box.

Irregular seating depths, tilted seating, varying cartridge dimensions,
typical CCI production.

Now that I've set the bar nice and low for 22wmr results,
I wonder if anyone has put their hands on some cartridges that can do better?
Shouldn't be too difficult.
Thatís a nice group for the 40g HP except for the three fliers .
Thanks for the picture! Nice shooting!
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  #53  
Old 10-11-2020, 04:09 PM
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Federal 36g bulk shooting better than SK Magazine ?
Or maybe it was that tailwind. But wait , isn’t HV supposed to be more affected by the wind ?
I’ve been buying the wrong ammo .
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  #54  
Old 10-11-2020, 04:09 PM
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Well Bill, I'm sitting down here bored, started raining and last shooter left. Wanted to shoot something but no spotter/witness/scorekeeper to do my timed event entry. Saw your post and since the Martini is sitting here decided to try 25 at the 8" circle at 197. With the rain its a tad above center but decided to go for it.

I'd say 4" vertical but the target wasn't perfectly clear every shot and I've done better but wanted to pass it along. I can live with it though for rain and slight haze and 66 year old eyes after spotting for 4 days.







Topstrap

Last edited by Topstrap44; 10-11-2020 at 06:54 PM.
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  #55  
Old 10-11-2020, 04:24 PM
jaia
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Wind was from my 4, wall and RSO office on that side.
That put me in the wind shadow along that side of the range Kirby.
Minimal wind effects. What ye'r seeing is cartridge quality differences.
Neither is great, but the SK had serious problems with mv spread.
The supersonic transition has minimal effect on the 22lr,
when compared to the effects created by primer/powder variations
and bullet deformities.


...except for the three fliers...

There are no exceptions in my world K.
It's the results from all 50 shots, not just those that make me look good.

Top...how do you compensate for rain drift?
Droplet size or the number of drops intercepted per linear yard?
Just thinking...

Last edited by jaia; 10-11-2020 at 04:29 PM.
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  #56  
Old 10-11-2020, 05:21 PM
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Wind today so played .243 at 200 yard, had to fire form some cases necked down from .308 NATO brass. 10 gusting to 23mph has so little effect with 100gr bt hp’s compared to .22, spoiled with 2-1/4-2-1/2” groups.

If the wind ever settles remains Eley Match to be tested through both Martini’s in side by side comparison. Early MK II has a whole lot less rounds through it then the MK V perhaps a million more as a club rifle.

Good shooting fellas!
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  #57  
Old 10-11-2020, 06:19 PM
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Surprised at how well the .22wmr did. Better then a lot of the .22lr.

BillOH. That’s a super nice place to shoot.

Shot in the rain today. Have no idea what it does but it can’t be good.
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  #58  
Old 10-11-2020, 06:30 PM
jaia
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It's a start CM. We will see what happens as we work our way up the quality levels.
Maybe we can get some others willing to invest their time and one box of cartridges.
This would make a useful rimfire ammo reference, where the results aren't cherry picked.
Everything from Aguila to X-Act.

Last edited by jaia; 10-11-2020 at 06:33 PM.
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  #59  
Old 10-11-2020, 06:47 PM
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I know this is the 50 at 200 yards thread but personally I've found that 25 rounds is more than enough usually to get the results I'm looking for. This Biathlon is by far the most consistent ammo we've seen for our longer range matches. The group down South that is stretching it out to 400 yards or so stumbled on it first. Scores at my matches have really gone up and spotting all the shooters I've seen a big difference in group sizes and smaller targets hit.

Wind affected by rain? Have shot in some really heavy rains at the 1000 yard matches and it still doesn't seem affect it. Humidity and other factors mess with it more. Hardest part is keeping a clean picture of the target and trying to hold for slight wind changes peering thru the peeps. But it's sure fun and what I've shot about all year at my rimfire matches.

Topstrap

Last edited by Topstrap44; 10-11-2020 at 06:52 PM.
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  #60  
Old 10-11-2020, 07:03 PM
jaia
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I hear ya' Top.
50 at 100, 50 at 200, same idea, different distances.
It's about ammo quality, wind and the ability to maintain concentration.
Most benchrest matches run two 25 shot targets in succession.
That's 50 shots to determine the best results.
Same routine taking place here, just all at a single aimpoint.
How tight can the results be when you have to count every shot?
Not when you cherry pick only those that make you happy.
Sure cuts down on random acts of accuracy, eh?
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