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  Topic Review (Newest First)
07-05-2019 07:50 PM
DCman
Quote:
Originally Posted by machine tom View Post
Recently I was given a couple .22 pistols. One was a H&R "Young American" 7 shot, the other was a H&A "XL Double action". I have read that these guns were Rimfire Black Powder. Both could be shooters, I don't want to damage either gun, they are very poor appearance, but after cleaning dry fire okay.
Would 22 short be usable, or should I find or make 22BP.

Tom
My concern with an older gun would be how tight the cylinder lockup is.
I think the test is, **** the hammer, pull the trigger, USE YOUR THUMB TO BRING THE HAMMER DOWN SLOWLY AND CAREFULLY, keep the trigger pulled and check to see if you can rotate the cylinder.
If you have play, its probably unsafe to shoot.
What can happen with a loose cylinder lock up is half the bullet could land back in your face as it ricochets off the edge of the frame.
.22CB rounds are still being made.
There are also very low power "quiet" rounds. The weakest of which is Aguila Colibri rounds.
20 grain bullet and (apparently) only primer powder in the rim. Extremely low powered and quiet. I think MV from the guns you mentioned would be 300 fps or less.


DCman
04-28-2019 11:46 AM
goodshot Thanks VA, this is a great article.
04-28-2019 11:05 AM
va rifleman
Quote:
Originally Posted by machine tom View Post
A 22 LR is a no go in both guns, on the H&R it protrudes almost 1/4" from the cylinder,r on the H&A protrude about .02". My question is regarding 22 shorts. The H&R is so small and lightly made, a cap gun looks heavy duty compared to it.
Machine Tom. Seeing SAAMI LR maximum chamber pressures of 24,000 PSI while the short and CB caps are listed at 21,000 PSI. Those are max pressures and I can’t believe a CB cap runs that high in practice after shooting them.

The link below may be helpful. Similar type question. One poster describes a catastrophic failure in a .22 antique revolver while using a .22 short. Best bet is not to shoot.

https://thefiringline.com/forums/sho....php?p=4805982
04-28-2019 09:23 AM
oldandslow
Quote:
Originally Posted by gene_225 View Post
That's not exactly completely true. I have a Hi Standard Sentinel Model 101 with notches cut into the cylinder for the fireing pin to rest in. So while most firearms don't have that, some do. It's worth looking.

It depends entirely on the make of 22. Some are OK, some are not.
04-27-2019 07:43 PM
va rifleman 10 4
04-27-2019 07:32 PM
machine tom A 22 LR is a no go in both guns, on the H&R it protrudes almost 1/4" from the cylinder,r on the H&A protrude about .02". My question is regarding 22 shorts. The H&R is so small and lightly made, a cap gun looks heavy duty compared to it.
04-27-2019 07:13 PM
va rifleman
Quote:
Originally Posted by goodshot View Post
Here's an article about Black powder 22's, looks like they were about 1100 or so fps.
Looks like the 1100 FPS value was achieved in a rifle with a 40 GN projectile. Match grade .22 LR ammo with the same weight projectile achieves velocities in the 1050 to 1080 FPS range with a 28 inch barrel. CCI SV LR may work just fine.

Stay away from stingers or HV ammo. Try the drop in chamber test with a LR.
04-27-2019 05:52 PM
goodshot Here's an article about Black powder 22's, looks like they were about 1100 or so fps.
also found an article about loading your own 22 RIMFIRE, a source for empty primed cases.

http://www.shilohrifle.com/forums/viewtopic.php?t=14461
04-27-2019 02:37 PM
goodshot Thanks Gene, I did not know that.
04-27-2019 02:27 PM
gene_225
Quote:
Originally Posted by Shootall3 View Post
Never dry fire. 22 LR. With no case rim to pinch the hammer will damage the Chambers.
That's not exactly completely true. I have a Hi Standard Sentinel Model 101 with notches cut into the cylinder for the fireing pin to rest in. So while most firearms don't have that, some do. It's worth looking.
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