About what would be expected. The Remington Golden Bullets produced one sonic crack in the 5.5 inch barrel.
I still love shooting .22s. My old Ruger 10/22 carbine and Mk I pistol are always with me when I go to the range.
Wife (petite with thin wrists), carries a Ruger .22 revolver - this caliber is the extent of what she seems able to control.
Not optimal, but better than nothing (and frankly, it LOOKS like a .38 Sp - you have to look close before you realize it's only a .22).
I wonder why CCI’s Minimag 22s didn’t make the list. They are the gold standard for 22s.
2 things, and I hope this is not too far off-thread—
1) Ignore the fps listings and lore, and try each cartridge (regardless of caliber) in your desired gun. I’ve found that some of the hypervelocity cartridges swell up tremendously in the chamber after firing and cause FTE (in some handguns and rifles, esp. in semi-autos). There also seems to be a slight case length difference in some of the rounds, especially the aluminum cases, that causes FTF in some of my semi-autos. For self-defense, it is important to use ammo that actually works and is dependable, not just looks good on paper.
2) Your mileage may vary, but I really like 22WMR for a little extra ooopmh. Now if you’re discussing subsonics and suppressed shooting, that might not fit the bill, but one of my fav concealed carry revolvers is a S&W lightweight 22WMR, the 351PD. That might be an option for a lady with small hands that wants more firepower than 22LR. Another option in that regard might be the Baretta tip-up semi-autos (22LR Bobcat, and 32acp Tomcat), where the first round can be put directly into the chamber by the tip-up barrel, and then the gun fired by DA or SA (external hammer cocked), with SA firing on second and subsequent shots of the semi-auto, eliminating the need to “rack” the slide to load a round into the chamber to start, and allowing for unloading of chambered rounds similarly—my youngest daughter really likes that tip-up option, and so will many with “weak” wrist/grip strength.
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US manufacturers are said to use 24-inch test barrels. It makes sense manufacturers would use the longest commonly available barrel to test their ammunition.
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I thought that max velocity for 22LR was about a 16 to 18 inch barrel.
That’s where the powder is all burned. Bullet starts to slow after that.
Considering target usage - Longer barrels give longer sight radius. I think they result in more even round to round performance.
And, two 18-inch barrel rifles will give different velocities. Bore and chamber differences can do that.
With .22 LR, velocity is largely dependent on the weight of the bullet.
Something like CCI Green Tag would be a good round to use for a baseline comparison.
Your data shows that you don’t necessarily need to use subsonic ammo in a pistol in order to take advantage of the suppressor.
This is not the BATFE-prescribed method for measuring the length of the barrel on a firearm.
When dealing with the ATF, guessing isn't good enough.
https://www.youtube.com/watch?v=_v5c_p1Uju0