Which one benefit more for using +p ammo ...

[Barang]

... full size or short barrel handgun?

will it be overkill for short barrel and will add more recoil?

[Carcassonne]

Paul Hartnell probably has a video on the subject.

My guess is a standard barrel will have a greater difference in velocity, but if you went by percentage difference I dont know.

There is a website called "ballistics by the inch" that has velocities for the same cartridge at different bullet lengths. They have a few +P loads. Look up the difference yourself. My internet hub blocks that site, so I cannot tell you the answer.

.

[acaligunner]

... full size or short barrel handgun?

will it be overkill for short barrel and will add more recoil?

Unless there is a noticeable difference in barrel inches ( 6? vs let?s say 2? ) firearms ~ there?s not going to be that much velocity lost.

3? and 2? barreled firearms can still have enough velocity to expand bullet, they also make ? special short barrel ? ammo that?s suppose to give you more expansion in short barrel handguns.

If the rounds you are using ( + P or +P+ ) yes there?s going to be a bit more recoil and a bit more wear on the firearm, and there could also be more muzzle flash, the benefit would be that the bullet will expand more reliably because of the added velocity.

If you go +P or +P+ ~ you should also know that the added velocity that helps a bullet expand also means that that bullet will open up faster and could not penetrate as much as a ? regular ? round that doesn?t expand as quickly.

So make sure you match the bullets to your needs

[sigstroker]

I haven't tried it, but based on how it is in full size guns, it's going to be a real b*tch in a little gun, plus have a ton of flash and blast.

[Barang]

thank you gents. it didn't even occur to me that +p will produce more flash although i should have. so i guess standard saami ammo will be good enough for home defense full size barrel.

i'll play around with sig p239 (saami vs. +p) to see how much it affects the recoil.

[acaligunner]

thank you gents. it didn't even occur to me that +p will produce more flash although i should have. so i guess standard saami ammo will be good enough for home defense full size barrel.

i'll play around with sig p239 (saami vs. +p) to see how much it affects the recoil.

If the sig 239 is in 9mm ~ federal hst 147 and the 124/7?s ( standard pressure rounds ) are gtg for sd ammo. +P rounds are gtg but not always necessary.

Good luck.

[Glackowitz]

I recently bought a Springfield Armory Xd-m elite compact with a 3.8" barrel in 9mm. In talking with a guy that was at the counter also, he recommended the hornady critical duty for ccw of home defense. later found out he was retired law officer. https://www.hornady.com/ammunition/h...itical-duty#!/

It was on sale so I bought a couple boxes, I have yet to get to the range to shoot the gun and try the ammo but did some searching and watched a few videos. Looks promising. bought a few boxes of different brands of ammo to run thru as well to see what it likes, but will be a carry gun most of the time.
The hornady shows figures for a 4" barrel.

[Barang]

If the sig 239 is in 9mm ~ federal hst 147 and the 124/7?s ( standard pressure rounds ) are gtg for sd ammo. +P rounds are gtg but not always necessary.

Good luck.

my wife owns sig p239 in 9mm. mine is in .40 s&w.

good thing i only bought few of the 9mm 124+p for the wife. looks like i spent extra for nothing.

thanks ac.

I recently bought a Springfield Armory Xd-m elite compact with a 3.8" barrel in 9mm. In talking with a guy that was at the counter also, he recommended the hornady critical duty for ccw of home defense. later found out he was retired law officer. https://www.hornady.com/ammunition/h...itical-duty#!/

It was on sale so I bought a couple boxes, I have yet to get to the range to shoot the gun and try the ammo but did some searching and watched a few videos. Looks promising. bought a few boxes of different brands of ammo to run thru as well to see what it likes, but will be a carry gun most of the time.
The hornady shows figures for a 4" barrel.

the videos are good in showing deep penetration through a layers of fabric into the gel.

thanks for the link.

[Regular guy]

I use Federal HST for SD, I have a variety of rounds for different needs, I use the 147gr for my "night stand" gun, specifically for the lower penetration and noise values.I also have 124gr and 124gr+P for outdoor / longer range engagements.

[Capybara]

I use Speer Gold Dots as my IA does. They did well in the FBI tests. You really need to look up and study the FBI penetration tests, then you'll know which ammo to buy for SD.

[FNGGlock]

This is a pretty good resource

https://www.luckygunner.com/labs/self-defense-ammo-ballistic-tests/

Looking at rated velocities, 9mm +p doesn’t make a huge difference. 45 acp seems to make a bit more difference. I did some testing a while back and posted results for 9 and 45 through different pistols/ barrel lengths.

https://www.calguns.net/calgunforum/showthread.php?t=1779957

https://www.calguns.net/calgunforum/showthread.php?t=1774116

[KrizB]

There is a Youtube channel called Tools&Targets and he tests out various brands of ammo on a chrono and block of gel with a full size and compact pistol to see what differences there are.

https://www.youtube.com/@ToolsandTargets/videos

Just today he tested Federal .45 HST out of a Glock 30 and the standard round expanded while the +P was inconsistent.

[Barang]

thank you for the links guys. i'll go check them out.

[hambam105]

I always thought it was a bit of overkill until I figured out there is no such thing as overdead.

[GammaRei]

Unless there is a noticeable difference in barrel inches ( 6? vs let?s say 2? ) firearms ~ there?s not going to be that much velocity lost.

3? and 2? barreled firearms can still have enough velocity to expand bullet, they also make ? special short barrel ? ammo that?s suppose to give you more expansion in short barrel handguns.

If the rounds you are using ( + P or +P+ ) yes there?s going to be a bit more recoil and a bit more wear on the firearm, and there could also be more muzzle flash, the benefit would be that the bullet will expand more reliably because of the added velocity.

If you go +P or +P+ ~ you should also know that the added velocity that helps a bullet expand also means that that bullet will open up faster and could not penetrate as much as a ? regular ? round that doesn?t expand as quickly.

So make sure you match the bullets to your needs

Thanks for the explanation~! I was meaning to read into this.

- G