Recently at a workshop, someone was citing a study regarding the relationship between bullet velocity and discomfort to the dog. In a nut shell they said that the larger the caliber and slower moving the bullet, the less discomfort the dog has.
I don’t have anything to back up where the info came from but it makes sense to me.
As a reloader, I can tell you that large calibers with slow moving bullets require a slower burning powder. That equates to less pressure in the barrel at peak ignition which may be why it doesn't bother the dogs as much. Like you said, makes sense.
Other than the slow burning powder Howard pointed out, I wonder if the fact that alot of those larger cal. are subsonic makes a difference. But then again a .22 is supersonic and I'm sure most dogs trained to gunfire could COMPLETELY ignore that.
I could make a comment that points out that this would be yet *another* reason to use .45 ACP as the caliber of choice, but I'd be repeating myself......
My female ACD used to go with me when I would shoot pistles and shotguns. She would stand, sit, or down at my side while I'd shoot a couple shots and then I'd put her away. Never an issue with gunfire until she was with me when I shot my .270 when she was about three years old. Now she runs and hides whenever she sees, smells, or hears a gun. And she was about 40 yards behind me when I shot.
Kevin….
It’s a long road to fix that issue. My first pistol qualification after I got my dog screwed me up for 2 years. I thought I’d do what any good handler should do…. Qualify with my dog! So I’m on the firing line with about 25 other officers. It’s a 60 round qual course. After 5 rounds of nice, neutral, quiet down my dog wants to take off. It was just way too much stress on the dog.
It got so bad after that that my dog went into avoidance when I just drew my handgun. It took two years but I can now shoot with him about 10 feet from me in a down. I have a nice collection of cap guns and starter pistols to show for it!
I've had a similar experience. My two dogs ignore handgun fire but show some discomfort when a rifle is being fired. My male will whine a little but doesn't show fear. My female acts a little off but will do what's asked of her but it's easy to tell she would rather be somewhere else.
I agree with Will,Howard and Matt about the .45 Currently, I carry 2 custom 45 based on the FBI HRT specs. One built on a para ordnance gunsmith kit and the other built from a 70 series Colt Commander frame. I bought all the parts and had plan to do all the work myself. But, had to get my local gunsmith clean the trigger up. After 5000 plus rounds thru both not one jam or malfunction both shoot tighter groups than I'm capable. I've fired allot of different models but haven't found a gun that fits my hand better than a 1911 single stack.
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