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>.40 barrels break down more slowly than .45 >.40 has better
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You are currently reading a thread in /k/ - Weapons

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>.40 barrels break down more slowly than .45
>.40 has better ballistics than 9mm
>only pussies say "snappy recoil"
>more rounds than .45
>185gr at 1250fps does more damage than 55 gr .223 at 3150 fps
>could hunt fucking deer with this cartridge
>.40 ammo tastes better
>better ballistics than .45
>i got this gun new for $650 is the actual reason i shoot .40
>i couldn't care less as long as it is an effective round
>can be fired out of 10mm firearm
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>>29870495
If it's not 10mm you're not trying hard enough
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>>29870495
ITT blatant lies about .40 Short & Weak
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>>29870588
force = mass * acceleration

180 * 1250 > 55 * 3150

it's stronger than an AR round by alot
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>>29870495
>>.40 barrels break down more slowly than .45
Never heard this one. What does it mean?
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>>29870767
Don't you mean F=1/2m*v^2
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>>29870778
heavier calibers cause more wear on a barrel than a smaller caliber. your barrel only lasts about 6 seconds total if you lined up all the shots you ever took. A .40 barrel will last longer than a .45 ACP
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>>29870767
Acceleration is measured in m/s^2.
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>>29870495
Todays 9mm round is plenty effective as the technology has made it better than yesterdays .40. Plus theres nothing wrong with wanting better perceived recoil.
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>>29870806
I am very skeptical. Why, then, do people talk about shooting out an AR barrel after only 10,000 rounds, but there are stories of all original HK 45's that have almost 300,000 rounds through them?
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>>29870495
Nota bad buy, I got one for 545 a while back but switched to a different caliber after putting 60 rds down range one day and found I couldn't keep on target as quick.
Each to their own, I prefer as many rounds on target accurately in the shortest amount of time I can manage.
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>>29870836
Ammo manufacturer and weapons manufacturer make the difference.
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>>29870853
Explain.
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>>29870842
What did you switch to?
Also, what kinda load?
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>>29870805
No, that's energy.

Still, beyond blindly parroting F=ma (and even that he appears to fuck up, tossing in the speed instead of acceleration) he has no idea how forces work, or even what they are really. A force is never somethign an object just has in itself, it's always a measure of how two things interact. And when we're looking at terminal ballistics, you're not going to just calculate the forces and then use that to determine the effects, if anything you'll calculate the forces from the effects they had.

So that energy of yours? Often more relevant than any force you'd care to estimate. Even though energy can end up both doing useful harming work, or just dissipate as harmless friction. So we can't really stare ourselves blind at that either. In the end the true measure of how much destruction a bullet causes is how much destruction it causes and nothign else.
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>>29870836
Yuo should be skeptical.
You will probably never wear out a pistol barrel to start with. Even then it's pressure and flame that wear out the barrel. High presure overbore cartridges wear faster than others.
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>>29870767
>it's stronger than an AR round by alot
damn, I guess everyone should dump their AR's and get a .40
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>>29870864
600 rds* typo my mistake
I was shooting 165's , I had been shooting 180s for a long time but wanted to play with something new.

I'm currently dicking around with .357 sig, still snappy, but different. And honestly so far I've shot 9mm the best of the the 3 mentioned, but I think i've liked the .357 sig the best * so far*.

All were fired from a USPc , same trigger set ups and what not.
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>>29870495

How loud is .40 compared to .45?
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>>29870863
Low end pistols are made for a specific application. Mostly cheap concealed carry with a limited shooting life than the top end pistols. Its like the little Ford Ranger going down the road overloaded with the rear end tossing off sparks - the person should have bought a F-350 or a trailer instead of punishing the cheap little pickup. And the driver knows this. However, with pistols people buy a cheap pistol and somehow automatically think it's an awesome match gun or it can do anything a gun costing 4x or 5x more can do. These are the folks who get disappointed in a lower brand of gun. They have unreasonable expectations. ..
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>>29870836
i'm actually trolling, it's a function of the velocity of the round.
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>>29870767
Internet learning, ladies and gents.
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>>29870921
Thanks, I'm in kommiefornia and just picked up a shield in 9mm havent been to the range yet but ill likely be using 115 to 124gr just in case so my lawer can argue I used a nerfed handgun to defend my self. I hate these laws.
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>>29870992
...
Better trialed by 12 than carried by 6, imo... but again, each to their own.

Stay safe /k/omrade, shoot straight.
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>>29871018
>Better trialed by 12 than carried by 6
Stop, that shit scares me, I fucking hate these laws. The prison system in Ca is gnarly as fuck. Some things are worse than dying.
I should just move out of this state
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>>29870805
That's more of a measurement for Kinetic Energy in this application, right?
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>>29871037
Are self defense laws there 'that' murky?! I mean I had an idea it was bad, but good god man.

Do you have any plan for the " after" of a self defense situation?
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>>29870933
OP here, not trolling anymore. i realized people might believe my bullshit.

.40 is louder
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>>29871049
In this application? Half of mass times velocity squared is always energy, and never force.
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>>29870767
>force = mass * acceleration
>180 * 1250 > 55 * 3150

I was getting ready to get really fucking mad before I read the OP more carefully and realized this is satire.
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>>29871060
In Kommiefornia, the only time you can truly shoot someone without being tried for carrying a gun in public, firing a gun, firing a gun at anothet person, pointing a gun at another person etc, is if they actually break into your house, is facing you and in possession of a deadly weapon. Cant do it if theyre in retreat in your home even if they have a gun, cant do it in your yard under any circumstances, and sure as fuck cant do it off your property if you dont have a permit. And carry permits are next to impossible to get. You need proof someone is trying to or has attempted to kill you. Tons of proof. Like months of proof.
I don't really have a plan other then compliance and evidence that I purchased a gun with the minimum amount of possible damage outside the target. Help me /k/bro
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>>29871118
bury the body in the desert, it might actually be safer.

But maybe you're exaggerating and kommifornia looks a little more fondly on home invasion cases.
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>>29870836
standards of accuracy i suppose
theres oh it went from a 1moa gun to a 1.5 moa time to toss this shit out,it shoots 5moa which is fine except now its keyholing time to toss this shit out, and its going to explode on the next shot should probably replace it
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>>29871127
I live in the greater Los Angeles area, I do have plenty of options for getting rid of a body,however, population density means there will be at least 6 people calling the cops for shots fired.
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>>29870955
That's not an explanation as to how heavier bullets shorten barrel life, nor does it explain the cryptic comment about ammo and weapons manufacturers playing a role. Guns are not overloaded Ford Rangers. Soft lead and copper gliding across hardened steel rifling is not the same as loading down a pickup truck. Why would you even use that analogy?
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>>29871127
>>29871148
Also, yes, if the attacker has a serious record of violence etc and I do not, the judge will favor me.
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>>29870767
>>29870495
What a jokester. The .223 penetrates deeper and makes a bigger cavity.
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>>29871061

thanks for being serious for a moment, I'm just browsing here trying to learn a bit before buying my first handgun and have no idea what I'm doing
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>>29871152
heavier bullets don't shorten barrel life.
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>>29871118
...
Alright, a good place to start is talking to a lawyer because I am NOT a legal expert. They will likely be able to help you come up with a plan better than k.

Things you need to think about in case of a "deadly" home invasion.

1 Did you eliminate the treat? Can he still fight? If you've done it right he's dead or given up. Turn on the lights etc etc, make sure everything is HIGHLY visible.

2 What are you gonna say to the cops, be calm and through , this should these lines should be as well rehearsed as you drawing your weapon.

" I have a life threatening emergency, A robber broke into my home, I've shot / wounded/ killed him and need an ambulance at * address here* . I have placed my weapon on the ground , i look like X. I NO LONGER HAVE MY WEAPON. "
Unlock the door,if it was locked. Makes it easier for the cops to get in.

Then , when the squad car gets there assume the position, On your knees, ankles crossed with fingers spread on top of your head, weapon clearly set aside, give it about 3 /4 ft to where ever the cops are. If they asked you what happened, you can explain you are the owner of the home and he was attempting to rob/kill you, and you are now waiting for your laywer. Then be complaint, but don't talk much if at all.

3 you WILL be arrested, odds are. Don't say another word until your lawyer gets there.
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>>29871060
>>29871118
while you will still get hauled in on a self defense case if the DA doesn't think they can do anything to you because it was legit you get off free

I keep bringing this one up but in San Francisco of all things there was a drunk guy who got off on the wrong floor and tried to break into what he thought was his apartment. The guy who lived in the apartment shot the drunk guy dead because all he knows is some fucker is trying to break into his place. He was released, no charges.

Family of drunk guy was butthurt obviously
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>>29871192
Typos erry where, damn bourbon...
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>>29871192
>>29871193
Thanks, everyone. What would be my best bet in a handgun and load to defend my home?
INB4 rifle /shotgun
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>>29871188
I know, but that doesn't mean I'm not going to give someone contradicting my knowledge a chance to explain himself, instead of just calling him wrong/a fag and dismissing the potentially new information.
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>>29871222
The gun that holds the most bullets.
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>>29871231
Im in California. 10 round maximum. Meanwhile the criminal gets to bring whatever he wants to the party..
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>>29871222
One you can use effectively , more bullets help but 10rd sounds like a max for commies, so find a caliber you can get the most rounds on target with.

If your'e gonna use self defense ammo, get like 4 boxes of it and shoot it, then get another box to keep.
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>>29871222
whatever caliber you can handle shooting hollow points. federal hst, speer gold dot, winchester ranger t. since it's california and you're limited to 10 (minus a few specific circumstances) then 45 if you want to maximize things but 9 is usually easier to handle
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>>29871253
federal hst and speer gold dot are super difficult to get a hold of. Ive searched for each at local brick and mortars. Where can I find some sooner?
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>>29871244
Then go with a .45 or .40. I like .40 more than .45 if you don't have bitch wrists you will be fine.
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>>29871251
Sounds good. And I'll likely practice at 5 yards to simulate real world situations.
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>>29871274
Remember it' HD so you might as well go with a full sized pistol with a light.
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>>29871263
you buy it online. grab a few boxes of hollow points along your practice ammo which you should be buying in bulk. generally $200 for 1000 rounds of fmj for practice, and $20-25 per box of hollow points (50 in a box)
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>>29871268
HK usp in .40?
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>>29871292
Why not a rifle?
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if you're lucky remington will do another rebate deal on golden saber hollow points during black friday. i ended up getting golden sabers for cheaper per round than normal fmj...
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>>29871311
anon is in commie land and asked for a pistol.
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>>29871294
Any preferred sites for me to purchase from? Im a total novice
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>>29871192
>>29871118
>all this misinformation
>being this ignorant about california law
>just making shit up as you go

FACT: California has Castle Doctrine law. If anyone breaks into your home for ANY reason, they is an AUTOMATIC legal presumption that they pose a threat of great bodily injury or death, and therefore you are authorized to use deadly force. Thus, if you wake up to a noise in the middle of the night, grab your gat, and find a nigger in your kitchen, you can immediately shoot him without fear of prosecution.
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>>29871318
Nice! Did you buy online? If so, where?
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>>29871308
I have one and its great, and easy as hell to shoot.
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>>29870992
>>29871037
As bad as california is, they actually have decent self defense laws.
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>>29871345
This will be my next purchase! Thanks!
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>>29871321
whatever's cheapest and has both of the things you want in stock

gunbot.net
wikiarms.com/search

>>29871327
wherever still had them in stock. because the price was so good after rebate they were selling out everywhere. at the very beginning your after rebate price was something like 13 cents a round.
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>>29871357
i Guess the liberals have done a good job of scaring me into believing in their bs.
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>>29871361
You can get some super cheap too. Look for a P2000 if you don't mind a compact with a better light rail.
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>>29871166
> I'm just browsing here trying to learn a bit before buying my first handgun

LEAVE THIS PLACE NOW
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>>29871372
politicians in the old days still had their heads screwed on straight when they made the self defense laws. the liberals know they can't touch self defense laws because that looks really bad to everyone.
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>>29871364
Excellent resource. Know that someday you may very well help save my life.Thanks
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>>29871378
I'd have to read some reviews on the p2000 or even rent on if available at a range to know
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>>29871417
Its good, its a modernized USPc. Better rail adjustable back straps and it has a tapered slide so it carries better.
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>>29871118
California lawyer here: you're so full of shit, your ears are brown.

>transfered intent applies to self-defense, and no duty to retreat.

Kommiefornia has a lot of shitty gun laws, but self defense laws aren't one of them.
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>>29871417
Border patrol uses the P2000 too.
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>>29871192
California lawyer here again: this is bad advice. Talk to an actual lawyer about this.
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>>29871268
Why do you like .40 better? Californian XD-40 owner here
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>>29871443
>>29871417
>>29871529
>>29871378
Usp, P2000, sig P226 or 229, which is best?
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>>29871767
.40 better than .45? I like .45 better for fun, but .40 is cheaper, and the guns are cheaper. Also the ammo doesn't disappear like 9mm and .45
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>>29871809
P2000.
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>>29871923
whyfore?

>>29871910
Ahhh i see. So not so much that you enjoy the caliber, just that its easier to get?
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>>29871978
I explained here>>29871443

polymer>metal

As for why I like .40, you can get a smaller lighter gun with more ammo. when you get into the compacts, the 9/40s are lighter, and more easily hold 10 rounds while being smaller guns.
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>>29872117
are there any real advantages behind something in .45 then? Other than obviously fun factor.
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>>29872132
It makes a bigger whole, and it can be supressed easier. If you go with a .45 get the HK45, if you go .40 go with the P2000.
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>>29870495
>.40 barrels break down more slowly than .45

nope. complete opposite.

.40sw fires at higher pressures than .45, which causes wear quicker.
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>>29872153
Sounds good man, Thanks for all the help
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>>29872197

This.
>>
lol at all the physics attempts except the first guy

vel = accel * time

force = mass * accel

And what is really important is probably the impulse. Which is how much of that force is transferred on impact.

Impulse = mass(velocity initial - velocity final)/ delta t

So whether or not the rounds have more blah blah blah, it all depends on the target and what it is made of. Also I'm assuming bullet composition is held constant across guns.
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>>29871357
Ca is a Stand Your Ground state.
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why are you faggots always trying to justify why 9mm is as good as .40S&W when it is a laughable argument to use.

Fact is .40S&W fmj BEATS some 9mm JHP ammo on the market today, KEK.

make sure to use an asterisk every time you use the phrase:

"9mm defensive ammo has comparable loads to .40S&W" *
* to the .40S&W of the late 90's ;)
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>>29875684
The asterisk should also include

>only when using HST, Ranger, PDX1 124gr, and hornady CD.
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>>29870767
Even lightly loaded .223 will beat the hottest loaded .40 every single time.
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>>29870955
That's a retarded comparison, and you're a stupid person for attempting it.

>>29871152
http://www.luckygunner.com/labs/brass-vs-steel-cased-ammo/

This was a quick and dirty test of ammo vs barrel life.
One of the things they failed to include was how temperature affected the barrel life. They went out and hammered these guns all day long for several days, firing to the point where the guns became "too hot to hold"
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>>29876142
>This was a quick and dirty test of ammo vs barrel life.
But of the same caliber...
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>>29871118
California lawyer here. This anon is 100% right follow his advice to the letter things will be fine, trust me I am a lawyer
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>>29870588
Factory 10mm is just overpriced 40, they're the same strength
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>>29880307
wrong.
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>>29880307
>What is Buffalo, Sig, Underwood

The Sig 180gr FMJ and JHP are fucking awesome
They're my carry rounds
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>>29875684
>some
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>>29880360
The SIG hollow points perform like shit in gel.
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