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Posted: 10/2/2016 12:30:09 AM EDT
9mm or 45 and why? Thanks.
Link Posted: 10/2/2016 12:42:32 AM EDT
[#1]
I would say most the time 9mm makes more sense. Easier to shoot, cheaper ammo for more practice, carries more bullets in gun, lighter so you can carry more ammo. However 45acp does more damage because it's bigger and heavier, which might be good for more experienced shooters who don't mind extra recoil and lower capacity.
Link Posted: 10/2/2016 4:57:34 AM EDT
[#2]
9mm, as said, cheapest handgun round to buy, highest magazine capacity, lower recoil, used by over half the world's armies, etc.  All handgun calibers are pretty anemic, there is no "magic bullet" . Well placed shots and multiple shots win the day, caliber does not.
Link Posted: 10/2/2016 5:22:10 AM EDT
[#3]
9 goes thru barriers like car doors or windshields better.
45 (speaking of both being fmj) to produce more trauma up close on soft targets
Link Posted: 10/2/2016 7:41:12 AM EDT
[#4]
In the pros/cons checklist 9mm absolutely has the more pros.



The debate has long since ended.




9mm.




/thread
Link Posted: 10/2/2016 9:14:57 AM EDT
[#5]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
In the pros/cons checklist 9mm absolutely has the more pros.

The debate has long since ended.


9mm.


/thread
View Quote

Link Posted: 10/2/2016 10:04:53 AM EDT
[#6]
Which do you shoot better out of a specific gun
Link Posted: 10/2/2016 10:10:26 AM EDT
[#7]
Today most guys will tell you 9mm. Years ago it was 45.  It comes down to trade offs. 45? More lead per round. 9mm? Less recoil and more rounds in the gun, and most of the time a better grip.
Link Posted: 10/2/2016 10:34:35 AM EDT
[#8]
seriously?




Link Posted: 10/3/2016 11:22:52 PM EDT
[#9]
Learn to shoot a 45 and you'll leave 9mm forever.
Link Posted: 10/3/2016 11:56:37 PM EDT
[#10]

Discussion ForumsJump to Quoted PostQuote History
Quoted:


Learn to shoot a 45
and you'll leave 9mm forever.
View Quote




 
It aint that tough.




9mm > .45




/thread
Link Posted: 10/4/2016 2:56:46 AM EDT
[#11]
Quoted:
9mm or 45 and why? Thanks.
View Quote

Are hollow points still illegal in NJ? If you're limited to FMJ, 45 or 40, flat point or SWC.
Link Posted: 10/4/2016 2:57:52 PM EDT
[#12]
Why not both?

Both have their merits.

Link Posted: 10/4/2016 9:39:17 PM EDT
[#13]
.45.....cause bigger holes
Link Posted: 10/4/2016 9:57:53 PM EDT
[#14]

Discussion ForumsJump to Quoted PostQuote History
Quoted:





Are hollow points still illegal in NJ? If you're limited to FMJ, 45 or 40, flat point or SWC.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:



Quoted:

9mm or 45 and why? Thanks.


Are hollow points still illegal in NJ? If you're limited to FMJ, 45 or 40, flat point or SWC.
Don't believe they were ever illegal

 
Link Posted: 10/5/2016 9:34:34 AM EDT
[#15]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I would say most the time 9mm makes more sense. Easier to shoot, cheaper ammo for more practice, carries more bullets in gun, lighter so you can carry more ammo. However 45acp does more damage because it's bigger and heavier, which might be good for more experienced shooters who don't mind extra recoil and lower capacity.
View Quote


I agree.  Have a 45 and went to 9mm for my carry gun.  
Reading about pistol wounds etc. convinced me that there is not much difference between the calibers from 9mm on up.  
Best caliber seemed to be 357 mag but no thanks, I wanted an auto.
Shoot the combination of gun and ammo that you are most accurate with.

All that being said the 45 just seems more better but real world experience says no.
P.S.  I have no real world experience and hope never to have any real world experience but can learn from others.
Link Posted: 10/5/2016 4:49:42 PM EDT
[#16]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Are hollow points still illegal in NJ? If you're limited to FMJ, 45 or 40, flat point or SWC.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
9mm or 45 and why? Thanks.

Are hollow points still illegal in NJ? If you're limited to FMJ, 45 or 40, flat point or SWC.


Id still prefer 9mm if stuck with fmj
Link Posted: 10/6/2016 5:37:18 AM EDT
[#17]
If I could only have one(god forbid) I would go with the 9MM probably for the cost of ammo and the fact that I have more 9MM guns.
Link Posted: 10/8/2016 2:54:21 PM EDT
[#18]
I went with 45 because:

-silencers--all 45 is subsonic and has more energy than subsonic or supersonic 9mm

-if SHTF and only ball ammo is around, I'd much rather have a bigger bullet


For ccw I will likely switch to 9mm simply because there are a more pistol options.  I'm curious if anyone has calculated the energy per square inch for 9mm and 45, for both round and flat nose.  I'm wondering if one would have more energy per surface area and whether or not that makes a difference in penetration.
Link Posted: 10/8/2016 7:00:17 PM EDT
[#19]
Both.
Link Posted: 10/8/2016 7:19:34 PM EDT
[#20]
Quoted:
9mm or 45 and why? Thanks.
View Quote


Firstly, the answer depends on the application.

I also went .45ACP. I handload, it's subsonic at normal pressure and weight. And this bull shit about 9mm being easier to shoot... if you're a pro looking for every tiny advantage, yeah it makes a difference, the split times between 9mm and .45 in comparable pistols is pretty damn small. The only real advantages 9mm has IMO is it's higher capacity in the same size weapon, and flatter trajectory / higher MV at distance. Which you probably shouldn't be shooting at any  biped targets at 30-50+ yards with a pistol. I choose .45ACP for the additional damage, though the additional damage over top shelf 9mm is less than it once was, it's still more. And IMO you're not likely to have a perfect target standing square to you, arms at their side 20+ feet away. What's more likely is a close target doesn't reveal their intent and identified as a threat until they're close. At which point you probably wont get the chance to fire some 17 rounds off into the threats torso. At close range, a knife is a huge threat. You may only get 1 or 2 shots off, and then having go wrestle/fight your attacker up close taking any shot you can get, and who the hell knows where that's going to go with them likely trying to stab you, and you with a pistol in one hand.

I'd like to have as much damage caused as possible by each hit. Though I wouldn't fault anyone for going with 9mm with top shelf ammo in a higher cap pistol. I don't think anyone has ever complained about having more cartridges in their weapon when someone is trying to kill them.
Link Posted: 10/8/2016 7:52:08 PM EDT
[#21]
[ARFCOM_Standard_Reply] YES, Get BOTH [/ARFCOM_Standard_Reply]














Link Posted: 10/9/2016 8:42:36 PM EDT
[#22]
Neither, get a 357 magnum.

Jk but I own and like both calibers but I currently carry a 9mm.

I like a hi capacity in case there's multiple attackers. And it's cheaper to shoot.

Link Posted: 10/10/2016 4:29:05 AM EDT
[#23]
Right, this hasn't been covered enough already

I say both.

Then again I don't believe in the one caliber or even the one gun to do it all because it's impossible.

Go rent some guns at some range in both calibers, and decide for yourself is the best answer.
Link Posted: 10/10/2016 2:00:08 PM EDT
[#24]
Hollowpoints (HP) are illegal in NJ.  Not sure about mag capacity laws.

If mag capacity is limited, and HP's not permitted, the benefit of 9mm over .45 is lost and I would carry a .45.
Link Posted: 10/10/2016 4:24:43 PM EDT
[#25]
45 because it has "knock down power" and do not attend a gun fight with a handgun whose caliber does not start with a "4".

Honestly I would not care what caliber I have so long as I have something 9mm Parabellum or any service caliber.  I carry 9mm easy to control shooting fast and I can carry a lot of it.
Link Posted: 10/10/2016 7:29:54 PM EDT
[#26]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
45 because it has "knock down power" and do not attend a gun fight with a handgun whose caliber does not start with a "4".

Honestly I would not care what caliber I have so long as I have something 9mm Parabellum or any service caliber.  I carry 9mm easy to control shooting fast and I can carry a lot of it.
View Quote



"knock down power"

No such thing.

The shooter would be on their but also.

MOMENTUM.

Link Posted: 10/10/2016 7:43:17 PM EDT
[#27]
OP if you are over the age of 26 and have been shooting firearms more than 5 years you know the correct answer is both
Link Posted: 10/10/2016 8:59:57 PM EDT
[#28]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Hollowpoints (HP) are illegal in NJ.  Not sure about mag capacity laws.

If mag capacity is limited, and HP's not permitted, the benefit of 9mm over .45 is lost and I would carry a .45.
View Quote


It really doesn't matter if hollow points  and/or mag capacity is an issue, you are not going be able to carry in NJ.
Link Posted: 10/10/2016 9:39:02 PM EDT
[#29]
I have both. Have plenty of ammo for both.

Still prefer the 45.

Cause of the same reasons everyone here chose 9 or 45, personal preference. Nothing more.










Link Posted: 10/11/2016 9:21:02 AM EDT
[#30]
Discussion ForumsJump to Quoted PostQuote History
Quoted:



"knock down power"

No such thing.

The shooter would be on their but also.

MOMENTUM.

View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
45 because it has "knock down power" and do not attend a gun fight with a handgun whose caliber does not start with a "4".

Honestly I would not care what caliber I have so long as I have something 9mm Parabellum or any service caliber.  I carry 9mm easy to control shooting fast and I can carry a lot of it.



"knock down power"

No such thing.

The shooter would be on their but also.

MOMENTUM.



Adjust your sarcasm meter......
Link Posted: 10/11/2016 2:56:33 PM EDT
[#31]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Hollowpoints (HP) are illegal in NJ.  Not sure about mag capacity laws.

If mag capacity is limited, and HP's not permitted, the benefit of 9mm over .45 is lost and I would carry a .45.
View Quote


Good points and I agree.

Link Posted: 10/11/2016 5:39:55 PM EDT
[#32]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


It really doesn't matter if hollow points  and/or mag capacity is an issue, you are not going be able to carry in NJ.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Hollowpoints (HP) are illegal in NJ.  Not sure about mag capacity laws.

If mag capacity is limited, and HP's not permitted, the benefit of 9mm over .45 is lost and I would carry a .45.


It really doesn't matter if hollow points  and/or mag capacity is an issue, you are not going be able to carry in NJ.



True, you can look at it as "I would own a .45" rather than carry.  Same principles apply (you can't own hollowpoints in your house in NJ)
Link Posted: 10/11/2016 6:04:52 PM EDT
[#33]
Can NJ residents carry Federal Guard Dog ammo as a substitute for HP's?
Link Posted: 10/13/2016 11:52:49 AM EDT
[#34]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Can NJ residents carry Federal Guard Dog ammo as a substitute for HP's?
View Quote


I'm almost positive they can. IIRC it was developed for use in places where JHP is restricted but can't remember where I read that.

Seems it does expand/squish, though.  I just don't trust any gimmick ammo, too many proven options out there.

I just got in 250 rounds of 147gr HST for my G19 $20/50.
Link Posted: 10/13/2016 3:07:22 PM EDT
[#35]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


I'm almost positive they can. IIRC it was developed for use in places where JHP is restricted but can't remember where I read that.

Seems it does expand/squish, though.  I just don't trust any gimmick ammo, too many proven options out there.

I just got in 250 rounds of 147gr HST for my G19 $20/50.
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Can NJ residents carry Federal Guard Dog ammo as a substitute for HP's?


I'm almost positive they can. IIRC it was developed for use in places where JHP is restricted but can't remember where I read that.

Seems it does expand/squish, though.  I just don't trust any gimmick ammo, too many proven options out there.

I just got in 250 rounds of 147gr HST for my G19 $20/50.
If you don't mind me asking, that's a nice score; Where did you get it from?
Link Posted: 10/13/2016 11:07:31 PM EDT
[#36]
Handguns are puny popguns.  If you don't pack rounds in the aortic arch or top of the heart then the BG is not going to stop, whether shot with a 9mm or a 45.  If you do pack the rounds in there, caliber makes no difference.

Given the choice between a 17+1 handgun or an 8+1 handgun, I will pick the higher magazine capacity because of possibility of multiple bad guys, me missing, or them behind cover.

Go shoot a casino drill a few times and tell me which is faster, 9mm or 45.

For you LTC folks with 45s, how many mags are you carrying with you?
Link Posted: 10/14/2016 12:01:27 AM EDT
[#37]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Handguns are puny popguns.  If you don't pack rounds in the aortic arch or top of the heart then the BG is not going to stop, whether shot with a 9mm or a 45.  If you do pack the rounds in there, caliber makes no difference.

Given the choice between a 17+1 handgun or an 8+1 handgun, I will pick the higher magazine capacity because of possibility of multiple bad guys, me missing, or them behind cover.

Go shoot a casino drill a few times and tell me which is faster, 9mm or 45.

For you LTC folks with 45s, how many mags are you carrying with you?
View Quote
Why does this have to be a line in the sand? And you do know that their are double stack .45's out there in 15, 14, 13, 12, and 10 round capacities, correct?

Regardless, I can personally tell you that one raggedy rattling WW2 Remington 1911A1 from WW2 pistolero National Guardsman smoked a former Marine G17 and a former retired soldier using a VP9 doing the Presidente at night and using a handheld flashlight. I have several arfcom witnesses to this.

This past shoot, with witnesses that are arfcom members too, a 1911 personally carried by one member known to us all was smoking everyone else, and everyone else was using either a .40 S&W or a 9x19.

Point? Stay in your lane and stop worrying about what the other guy uses and in what caliber. Train enough meaning doing it enough times until you're happy with your times means everything in what your comfort level in regards to what caliber, but trying to talk down people who use a .45 ACP on the internet and not experiencing reality saying different is totally something else.



Link Posted: 10/14/2016 12:31:43 AM EDT
[#38]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Why does this have to be a line in the sand? And you do know that their are double stack .45's out there in 15, 14, 13, 12, and 10 round capacities, correct?

Regardless, I can personally tell you that one raggedy rattling WW2 Remington 1911A1 from WW2 pistolero National Guardsman smoked a former Marine G17 and a former retired soldier using a VP9 doing the Presidente at night and using a handheld flashlight. I have several arfcom witnesses to this.

This past shoot, with witnesses that are arfcom members too, a 1911 personally carried by one member known to us all was smoking everyone else, and everyone else was using either a .40 S&W or a 9x19.

Point? Stay in your lane and stop worrying about what the other guy uses and in what caliber. Train enough meaning doing it enough times until you're happy with your times means everything in what your comfort level in regards to what caliber, but trying to talk down people who use a .45 ACP on the internet and not experiencing reality saying different is totally something else.
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Handguns are puny popguns.  If you don't pack rounds in the aortic arch or top of the heart then the BG is not going to stop, whether shot with a 9mm or a 45.  If you do pack the rounds in there, caliber makes no difference.

Given the choice between a 17+1 handgun or an 8+1 handgun, I will pick the higher magazine capacity because of possibility of multiple bad guys, me missing, or them behind cover.

Go shoot a casino drill a few times and tell me which is faster, 9mm or 45.

For you LTC folks with 45s, how many mags are you carrying with you?
Why does this have to be a line in the sand? And you do know that their are double stack .45's out there in 15, 14, 13, 12, and 10 round capacities, correct?

Regardless, I can personally tell you that one raggedy rattling WW2 Remington 1911A1 from WW2 pistolero National Guardsman smoked a former Marine G17 and a former retired soldier using a VP9 doing the Presidente at night and using a handheld flashlight. I have several arfcom witnesses to this.

This past shoot, with witnesses that are arfcom members too, a 1911 personally carried by one member known to us all was smoking everyone else, and everyone else was using either a .40 S&W or a 9x19.

Point? Stay in your lane and stop worrying about what the other guy uses and in what caliber. Train enough meaning doing it enough times until you're happy with your times means everything in what your comfort level in regards to what caliber, but trying to talk down people who use a .45 ACP on the internet and not experiencing reality saying different is totally something else.


I expressed my opinion.  Did not know I needed to get your permission.

It matters not that Shooter A was faster than Shooter B & C.  The question is what can Shooter A shoot the fastest.  Due to recoil impulse of 9mm vs. 45, I believe the answer is 9mm, assuming a gun that fits his hands and stance.  



Link Posted: 10/14/2016 8:27:01 AM EDT
[#39]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Why does this have to be a line in the sand? And you do know that their are double stack .45's out there in 15, 14, 13, 12, and 10 round capacities, correct?

Regardless, I can personally tell you that one raggedy rattling WW2 Remington 1911A1 from WW2 pistolero National Guardsman smoked a former Marine G17 and a former retired soldier using a VP9 doing the Presidente at night and using a handheld flashlight. I have several arfcom witnesses to this.

This past shoot, with witnesses that are arfcom members too, a 1911 personally carried by one member known to us all was smoking everyone else, and everyone else was using either a .40 S&W or a 9x19.

Point? Stay in your lane and stop worrying about what the other guy uses and in what caliber. Train enough meaning doing it enough times until you're happy with your times means everything in what your comfort level in regards to what caliber, but trying to talk down people who use a .45 ACP on the internet and not experiencing reality saying different is totally something else.

View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Handguns are puny popguns.  If you don't pack rounds in the aortic arch or top of the heart then the BG is not going to stop, whether shot with a 9mm or a 45.  If you do pack the rounds in there, caliber makes no difference.

Given the choice between a 17+1 handgun or an 8+1 handgun, I will pick the higher magazine capacity because of possibility of multiple bad guys, me missing, or them behind cover.

Go shoot a casino drill a few times and tell me which is faster, 9mm or 45.

For you LTC folks with 45s, how many mags are you carrying with you?
Why does this have to be a line in the sand? And you do know that their are double stack .45's out there in 15, 14, 13, 12, and 10 round capacities, correct?

Regardless, I can personally tell you that one raggedy rattling WW2 Remington 1911A1 from WW2 pistolero National Guardsman smoked a former Marine G17 and a former retired soldier using a VP9 doing the Presidente at night and using a handheld flashlight. I have several arfcom witnesses to this.

This past shoot, with witnesses that are arfcom members too, a 1911 personally carried by one member known to us all was smoking everyone else, and everyone else was using either a .40 S&W or a 9x19.

Point? Stay in your lane and stop worrying about what the other guy uses and in what caliber. Train enough meaning doing it enough times until you're happy with your times means everything in what your comfort level in regards to what caliber, but trying to talk down people who use a .45 ACP on the internet and not experiencing reality saying different is totally something else.



Post a video
Link Posted: 10/17/2016 6:00:58 PM EDT
[#40]
only answer is both
Link Posted: 10/19/2016 12:18:31 AM EDT
[#41]
I'm a 1911 45ACP guy at heart. But I bought a Ruger 9mm LW 1911 Commander about 2 months ago and it's been great. Cheaper ammo means I get to the range more often for practice. Soft shooting and less recoil means I can shoot longer. But 45 will always be my first choice for carry, when my very bad back allows it. Ruger 9mm is my carry when my back is giving me fits. If my back won't allow the 9mm 1911, then I have a 9mm Shield for carry. Not carrying is NOT acceptable!!
Link Posted: 10/19/2016 12:44:33 AM EDT
[#42]
.45, because I prefer it. Shoot both make your own decision.
Link Posted: 11/4/2016 7:14:33 PM EDT
[#43]
I chose 9mm for personal carry guns. It doesn't matter. Pick what you shoot best.
Link Posted: 11/12/2016 2:15:22 PM EDT
[#44]
The simple answer is:

Whatever caliber the pistol you shoot the best is chambered in because only hits count
and you are responsible for every round fired.

I have a G19 I bought to carry instead of my old .45 1911.

However, I still shoot the 1911 better so I'm still carrying a 1911 (now a new Colt XSE)

I recently acquired a nice 9mm Browning High Power and I shoot it about as well as the 1911,
maybe better. Once it gets some new sights I may carry it all the time. So then it will be back to 9mm.

But it's really more about the pistol and how I shoot it than what caliber it's chambered for.

9mm, .40, .45, .357 are all gonna do about as well if shot placement is good.

Slight edge to 9mm for more mag capacity in a full size pistol.
Link Posted: 11/12/2016 3:12:01 PM EDT
[#45]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
If you don't mind me asking, that's a nice score; Where did you get it from?
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Quoted:
Can NJ residents carry Federal Guard Dog ammo as a substitute for HP's?


I'm almost positive they can. IIRC it was developed for use in places where JHP is restricted but can't remember where I read that.

Seems it does expand/squish, though.  I just don't trust any gimmick ammo, too many proven options out there.

I just got in 250 rounds of 147gr HST for my G19 $20/50.
If you don't mind me asking, that's a nice score; Where did you get it from?


Woops missed your post. I got it at Targetsports USA.

There's a thread called "where's all the 147 HST" people update regularly I usually check there.  Bonefrogclub is another popular source
Link Posted: 11/12/2016 5:53:18 PM EDT
[#46]
Reliability>accuracy>terminal performance>practice cost>recoil>training time>interoperability>size/weight constraints>platform cost.

Reliablity:  equal.
Accuracy (from same platform):  equal.
Terminal performance:  quality JHP:  9mm nearly equal to 45.  FMJ only:  45.
Practice cost:  9mm.
Recoil (from same platform):  9mm.
Training time (required to build/maintain proficiency):  9mm.
Interoperability:  user specific.  Equal for me.
Size/weight constraints:  9mm.  Closer race in magazine ban states.
Platform cost:  9mm equal to or slightly cheaper than 45.

9mm is slightly better in everything that has a clear winner, EXCEPT FMJ-only terminal performance.  That's not a problem I have.  9mm wins all the financial choices and wins or ties on all the performance choices.
Link Posted: 11/13/2016 1:16:02 AM EDT
[#47]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Reliability>accuracy>terminal performance>practice cost>recoil>training time>interoperability>size/weight constraints>platform cost.

Reliablity:  equal.
Accuracy (from same platform):  equal.
Terminal performance:  quality JHP:  9mm nearly equal to 45.  FMJ only:  45.
Practice cost:  9mm.
Recoil (from same platform):  9mm.
Training time (required to build/maintain proficiency):  9mm.
Interoperability:  user specific.  Equal for me.
Size/weight constraints:  9mm.  Closer race in magazine ban states.
Platform cost:  9mm equal to or slightly cheaper than 45.

9mm is slightly better in everything that has a clear winner, EXCEPT FMJ-only terminal performance.  That's not a problem I have.  9mm wins all the financial choices and wins or ties on all the performance choices.
View Quote
The only winner is what the user wants. I've seen 1911's beat modern strikers firing 9x19. I can reload .45 ACP for less than a case of factory 9x19.
Link Posted: 11/13/2016 4:48:18 AM EDT
[#48]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
The only winner is what the user wants. I've seen 1911's beat modern strikers firing 9x19. I can reload .45 ACP for less than a case of factory 9x19.
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Reliability>accuracy>terminal performance>practice cost>recoil>training time>interoperability>size/weight constraints>platform cost.

Reliablity:  equal.
Accuracy (from same platform):  equal.
Terminal performance:  quality JHP:  9mm nearly equal to 45.  FMJ only:  45.
Practice cost:  9mm.
Recoil (from same platform):  9mm.
Training time (required to build/maintain proficiency):  9mm.
Interoperability:  user specific.  Equal for me.
Size/weight constraints:  9mm.  Closer race in magazine ban states.
Platform cost:  9mm equal to or slightly cheaper than 45.

9mm is slightly better in everything that has a clear winner, EXCEPT FMJ-only terminal performance.  That's not a problem I have.  9mm wins all the financial choices and wins or ties on all the performance choices.
The only winner is what the user wants. I've seen 1911's beat modern strikers firing 9x19. I can reload .45 ACP for less than a case of factory 9x19.

And you can probably reload 9mm for even less.  Comparing reloaded 45 to factory 9mm isn't an equal comparison.  I'm also willing to bet that the amount of time behind the trigger was a bigger factor in shooter performance than the cartridge or weapon platform.  You can't train if you can't afford it.  
Link Posted: 11/13/2016 5:05:11 AM EDT
[#49]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

And you can probably reload 9mm for even less.  Comparing reloaded 45 to factory 9mm isn't an equal comparison.  I'm also willing to bet that the amount of time behind the trigger was a bigger factor in shooter performance than the cartridge or weapon platform.  You can't train if you can't afford it.  
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Quoted:
Quoted:
Quoted:
Reliability>accuracy>terminal performance>practice cost>recoil>training time>interoperability>size/weight constraints>platform cost.

Reliablity:  equal.
Accuracy (from same platform):  equal.
Terminal performance:  quality JHP:  9mm nearly equal to 45.  FMJ only:  45.
Practice cost:  9mm.
Recoil (from same platform):  9mm.
Training time (required to build/maintain proficiency):  9mm.
Interoperability:  user specific.  Equal for me.
Size/weight constraints:  9mm.  Closer race in magazine ban states.
Platform cost:  9mm equal to or slightly cheaper than 45.

9mm is slightly better in everything that has a clear winner, EXCEPT FMJ-only terminal performance.  That's not a problem I have.  9mm wins all the financial choices and wins or ties on all the performance choices.
The only winner is what the user wants. I've seen 1911's beat modern strikers firing 9x19. I can reload .45 ACP for less than a case of factory 9x19.

And you can probably reload 9mm for even less.  Comparing reloaded 45 to factory 9mm isn't an equal comparison.  I'm also willing to bet that the amount of time behind the trigger was a bigger factor in shooter performance than the cartridge or weapon platform.  You can't train if you can't afford it.  
I reload 9x19 too
Link Posted: 12/3/2016 1:35:59 AM EDT
[#50]
At this point in my shooting life I shoot either well.

I don't hate one or the other, and I'm not wedded to one or the other.
These days I shoot a lot more 9mm simply because of cost, but I am comfortable using either to protect myself and my loved ones.

There is no one correct answer here, other than if I have the option and circumstances allow, I'll take 5.56.
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