My handy dandy ballistics chart shows 191 lb ft from Stinger, and 183 from Velocitor. Muzzle velocity is 1640 and 1435 fps. That is from a 20 inch barrel, however, so all would be less from a pistol. Also, the Stinger is a 32 grain bullet, the Velocitor 40 grains. The lighter Stinger bullet drops off a lot quicker in energy and velocity over distance. At 100 yards both are less than a Velocitor.

While Ruger's manual does not state anything against using Hyper Velocity ammo in an SR-22, keep in mind that it will be rougher on the gun than High Velocity.

 

http://www.ballisticsbytheinch.com/2011graphs+/22ME.html

 

My inner physicist needs to say, velocity, energy and momentum are not really interchangeable.

The energy lost by a projectile is the product of the force of drag and distance. The mass of the projectile doesn't enter in to it.

However, the force of drag equal to rate of change of the momentum. Since the momentum is the product of the mass and the velocity. The same force of drag will slow down a lighter projectile more quickly.

 

Well, I'm not a scientist (ballistics anyway) but it seems that the velocitor with it's 40g bullet holds its energy better than the Stinger. That being said, there is a lot of concern, whether justified or not, about the Hypervelocity ammo being hard on the little SR22.

It might be a good idea to move down to the Mini-mag which is a good performer in itself.

If anyone knows, is there any issue with the longer case of the Stinger in an SR22? I would assume not and I am going to try them in my SR22 just for giggles. I'll not make a habit of it.

 

Well, I'm not a scientist (ballistics anyway) but it seems that the velocitor with it's 40g bullet holds its energy better than the Stinger.

I'm over-simplifying things. There is no reason why a less massive projectile with the same size and shape should lose more energy.

The fact is, the shapes are not the same. The 40 gr bullet is longer. The drag coefficient is smaller for a longer projectile. The force of drag will not be the same. Hence, the shorter projectile does lose more energy.

 

Have shot stingers in one of my sr22's all the time. never an issue .

 

Since neither will probably see any expansion from that short of a barrel, I'd probably lean towards the heavier bullet. Also, some of the hypervelocity rounds don't end up much faster than otherwise slower rounds because they can use a slower powder, so you may find a cheaper round that performs almost as well out of short barrels at a much cheaper price.

 

If you can find them, and are set on using the real fast rounds, I would go with Aguila's 40 grain Interceptor, as it outperforms the Velocitor and in my limited experience is more accurate than either CCI round you are considering. Out of a an 18" barrel the Aguila meets or exceeds it's advertised velocity, while neither of the CCI's do; I can't recall specific numbers, but when my buddy and I chronographed loads, I think the Interceptor ended up being just as fast as the lighter Stinger (i.e. both being in the 1400 fps range) and, of course, it hits harder. Now, I don't know if this would all hold true out a pistol barrel, but Interceptors would still be my first choice on a carry/trail .22 if they functioned well in said gun. That being the case, the Mini Mag suggestion isn't a bad one either, as they tend to be highly reliable, reasonably accurate, and have a pretty decent hollow point as well.

Kind Regards,

~ SH ~

 

Right after I purchased my SR-22 Pistol I emailed Ruger and asked if it was OK to shoot hyper-Velocity ammo in that pistol as its my wife's choice for home defense (please don't comment on that aspect of this post). Their reply was "No". I suggest that those who shoot Hyper-Velocity ammo ask Ruger that question. Don't take my word for it but ............

 

I have shot the stingers in the sr22 not even accurate enough for personal defense unless the gun is touching the intended target. Got lucky once and emptied two mags aimed dead steady at a snowshoes boiler room the 7th shot hit with horrible penetration and the 8th killed it. This was outta the second mag.

 

At the muzzle Stingers have the edge in energy, but by 50 yards Velocitors are faster and heavier (more energy). At 100 yards Stingers look pretty lame by comparison.
CCI's own ballistics charts show that.

 

no it does not even mention hyper velocity at all, it does say it is designed for use of standard and high velocity ammo. it does not mean you should use 5.56. (also considered a .22) by omission either) best to contact ruger directly. Stingers case is slightly longer than other .22LR and will jamb in many firearms. Velocitors are standard length. so probably more safe than stingers. as one of the other contributors said, from a short barrel neither will expand much if at all, so why bother?

 

from experience I can say that velocitors are better for stopping animals than stingers. I also find velocitors to be more consistent and more accurate in my guns. Your results may be different. JMHO, BnB