What has more stopping power a 9mm or 40?
40 caliber does release more energy but not by a whole lot either.
The 9mm releases about 10 – 12 % less energy than its competitor.
Also, there are ammo manufacturers that say their 9mm can match up in stopping power against other 40 cal.
Most gun manufacturers use the same 9mm pistol frame for both calibers..
Why is 40 not popular?
40 S&W is losing popularity have to do with improvements (mostly in bullet design) in its nearest competitor, the 9mm. … 40 has slightly higher muzzle energy and uses a larger bullet (10mm versus 9mm). However, it has more recoil and, because the cartridge is larger, can store less ammo in the same space.
Why 9mm is the best caliber?
Based in a combination of factors, including so-called “stopping power,” weight and availability, the FBI study shows that the 9mm round penetrates far enough, allows for shooters to carry more rounds, and is more widely available and less expensive than alternative rounds like the . 45 ACP or .
What is the best caliber for home defense?
In no particular order, I will explain these selections:380. I listed 380 because it’s a light and easy-to-handle smaller-bodied pistol ideal for most people. … 12 Gauge. The 12 gauge is excellent if you want a home defense shotgun or if you need to carry a weapon in your vehicle. … 9mm. … 40 Cal. … 357 Mag.
Can a 9mm kill a bear?
Yes, a 9 mm can injure or kill a bear. … The bear will die of his injuries, but he will still have enough life left in him to do you in, before he dies. You will not have a side shot if a grizzly bear is charging you, and most likely your 9mm will only inrage him, and make him try his best to kill you.
Is 40 more powerful than 9mm?
40 has more kinetic energy due to higher projectile mass given equal velocity. Higher energy and a wider, flatter bullet make the . 40 objectively better than 9mm FMJ in most circumstances. … 40 S&W has its greatest advantage in that it is substantially more powerful than 9mm in most handguns.