22lr for self defense ?
After a lot of comparison of muzzle energy I found that there are a few 22lr brands that exceed the muzzle energy of a 380 ACP. Such as the Aguila Super Maximum - 22 Long Rifle 30 Grain Plated Lead Hollow Point that exceeds 200 ft lbs of muzzle energy a 1750 fps (from an 18" barrel).
Just for kicks I tried it a Beretta Bobcat (well known to be finicky as to the ammo it's fed). The Bobcat only has a 2.4" barrel so I know I won't get 200+ lbs of muzzle energy from the short barrel of the Bobcat but I tested several well known brands of hunting, hi speed and hyper velocity ammunition. Not only did the Bobcat function best with the Aguila Super Maximum HP, it also performed the best.
I tested each brand by stapling a piece of 3/8 thick floor carpeting to a 2X4 pc of wood. Shooting a different new of carpet and 2X4 for each brand from approximately 3 feet away the hottest hunting brands went thru the carpet and about 1-1/8" into the 2X4. When I hit it with the Aguila Super Maximum 30 grain plated lead HP, It zipped thru the carpet and upon inspecting the other side of the 2X4 I thought it went right thru it. There was a splintered spot about the size of a half dollar that looked like tooth picks. When I spread the splinters to check the damage I found the bullet still inside the 2X4 about 1/16" shy of exiting the 2X4. the results of the Aquila 30 gn were simular to the 40gn Stinger other than the Aguila expaned better .
I am not an expert ballistition and don't recommend this for anyone for self defense because anything can happen, with any weapon large or small but I am confident in my shot placement and the Aguila ammunition .
So in short , if I can't get to the big gun I have confidence the Aguila will get the job done.
These are just my unprofessional results
I'll be expecting a lot of flack on this
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