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Very Hot Topic (More than 25 Replies) Reloading 22 rimfire. (Read 4250 times)
UtahDave
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Re: Reloading 22 rimfire.
Reply #45 - May 27th, 2019 at 6:42pm
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Hi Greg,

Based on some other posts I will try 4F or Null.  I will fill the case and probably not use a wad.  I think I will try this first in my old Sears 22...with a string to pull the trigger.  I don't think it will be a problem.   I'd like to start out with a 40 gr bullet but a heavier one is also attractive.   I am just not ready to swage them but casting should be OK if I can find a suitable mold.  Frank suggested a Lee 55 gr mold with the GC cut off.  I'll bet my old surface grinder can do that and the mold won't be expensive.   I'll bet I'll need over 800 F to fill the cavity.  Frank, thanks for the info. 


Dave
  
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uscra112
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Re: Reloading 22 rimfire.
Reply #46 - May 28th, 2019 at 4:04am
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According to Vihtavuori their 3N37 powder is specific for .22 Rimfire.   The nearest match I can find among common American powders is Herco.
  
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John Boy
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Re: Reloading 22 rimfire.
Reply #47 - May 28th, 2019 at 10:59am
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The powder charge I read was 1.7 to 2.0 of a pistol powder for a 40gr 22LR. So I loaded 40gr bullets with 2.0 gr of Bullseye. The MagnetoSport registered 1635 fps avg (ES of 20) in a Stevens 44 - 24" barrel. The bore shot clean and no leading with full ignition of the Bullseye powder
The velocity of 2.0gr Bullseye with a 40gr bullet is equivalent to a CCI Stinger, 32gr HP bullet at 1640 fps. Eley 40gr solid bullet Hi Velocity rounds spec at 1320 fps
RQ of Bullseye = 6 and Herco =46
I also shot several of the 18gr Calibri's, 1gr Bullseye, in the MagnetoSporter with a H1 & H2 settings ... they did not register  Angry
What I also found was the SO bimetal spent cases were hard to extract from the chamber - no blow back though
« Last Edit: May 28th, 2019 at 11:06am by John Boy »  

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John
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frnkeore
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Re: Reloading 22 rimfire.
Reply #48 - May 28th, 2019 at 12:59pm
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Dave,
If your going to shoot a 16 twist rifle, the Lee will not stabilize. It is just stable in my 14 twist. You'll be better served with a Ebay 225438 mold or one of NOE's molds of 46 gr or less:

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JB, you have proven that the steel case is much stronger than the brass case, I would have never started with 2.0 gr with a fixed load. I poped 1 or 2, out of 10, using 1.8 gr and a 46 gr bullet, breech seated, in a match chamber.

I tried Herco, long ago, it provided the highest velocity but, poor accuracy, BSed. It's also not easy to throw charges with it.

Frank
  

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Re: Reloading 22 rimfire.
Reply #49 - May 28th, 2019 at 2:09pm
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Quote:
Frank suggested a Lee 55 gr mold with the GC cut off.
Dave, scratch using the Lee and the extra work cutting off the GC.
The perfect combination for 22LR bullets & accessories:

.22 long rifle double cavity heel seated bullet 40 grain. shell holder and crimp die available
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And the perfect BP powder charge: 4.5 gr Swiss Null-B. I compared 4 other different powders for fouling & accuracy - Null-B, hands down the best
If you have an Ideal #5 charger with the micro bar - one crank every time drops your 4.5grs
  

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John
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UtahDave
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Re: Reloading 22 rimfire.
Reply #50 - May 28th, 2019 at 3:44pm
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John and Frank,

Thanks for the great information.  I'm sure I saw some of that posted somewhere but it is fun to keep the thread going.   I will look at the stiff John recommended.  Also, I suspect the Lee mold is aluminum, no way that is going to work to grind off the gas check. 

I will probably just shoot these in my CPA which has a nice match barrel.  I guess I could try to BSA, easier to mess with and not so heavy.   I forget the twists, where is that log book?

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John Boy
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Re: Reloading 22 rimfire.
Reply #51 - May 28th, 2019 at 4:09pm
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Dave, if you are going to reload the 22's with black powder, here's some data:
* 40gr bullet
* No wad
* 4.5gr Null-B
* 1130 fps per the chronograph
  

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John
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John Boy
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Re: Reloading 22 rimfire.
Reply #52 - May 31st, 2019 at 2:10pm
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Chronograph Recalculation of the SO brass cases:
* 1538 fps - Initial reload powder charge - 2.0 gr Bullseye with the Old West 40.8gr bullets
New charges:
* 1186 fps - 1.5grs Bullseye, Old West 40.8gr bullet
* 1282 fps - 1.5gr Bullseye, Lyman 225438, 46gr bullet
* Have to cast more MOS custom mold of the UMC bullets, 42.8 gr with a powder charge of 1.5gr Bullseye

Note: with lower 1.5 grs of Bullseye, the spent cases extracted easily from the chamber whereas the 2.0gr gr spent cases stuck in the chamber and had to be pushed out with a cleaning rod

Anyone else have any powder charge data?
  

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frnkeore
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Re: Reloading 22 rimfire.
Reply #53 - May 31st, 2019 at 5:40pm
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I have lots of data but, it's all with breech seated loads.

Frank
  

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Re: Reloading 22 rimfire.
Reply #54 - Jun 1st, 2019 at 8:33am
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Sure like to see some 100 and 200 yd group sizes targets.
  
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Re: Reloading 22 rimfire.
Reply #55 - Jun 1st, 2019 at 2:38pm
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Bob,
If you look at the link to my 22 BS thread, you will see many groups and targets.

I've won local club matches with it, against very fine match rifles and Eley ammo and at Spokane, last year, the only time that I ever shot 200 with any RF, I was 3rd in that 20 round match. Tommy Mason was first but, I don't remember who was 2nd (maybe Jack H will remember). That match had the finest 22RF rifles and ammo, in the USA & Canada. 

Frank
  

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Re: Reloading 22 rimfire.
Reply #56 - Jun 2nd, 2019 at 12:01am
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uscra112 wrote on May 28th, 2019 at 4:04am:
According to Vihtavuori their 3N37 powder is specific for .22 Rimfire.   The nearest match I can find among common American powders is Herco. 


Phil,  I happened to be in the local shop and noticed they had a couple pounds of this powder (3N37) on close-out, for the price they asked  Cool I got their last two, have you ever loaded any 22 rf with it?  Or have data as a place to start?
Greg
  

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