firearms-chat

Discord ID: 467577750325297162


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2018-08-25 17:18:10 UTC

You do know Gun Jesus is off camera calling on that rifle to function for him as a miracle to Democrats at the Auction House.

2018-08-25 17:31:34 UTC

"This gun has not functioned in years." Gun Jesus touches it and it suddenly is able to fire.

2018-08-25 17:32:03 UTC

WITHOUT AMMO!

2018-08-25 18:59:59 UTC

Hey, how do the compensate for recoil for this?

2018-08-25 19:01:13 UTC

Recoil? My god man, you can safely shoot at Jerry without being shot by a Hun Sniper! Why are you bothering about Recoil?

2018-08-25 19:14:51 UTC

what video is that? it looks comfy and I wanna see it

2018-08-25 19:17:52 UTC

You asketh, The Internet shall share the Gospil of Gun Jesus.

2018-08-25 20:48:51 UTC

@Timcast what i recommend for use in home defense for apartments Pistol Caliber, Rifle controllability. https://www.youtube.com/watch?v=fP0IeO2jx_c

2018-08-25 20:49:33 UTC

...submachinegun cost

2018-08-25 20:51:27 UTC

Well it has the high points, the down side is Auto-Ordnance is expensive. The cheep would be a High Point in .45ACP. Lets be honest a semiauto PCC in .45 is going to be expensive no mater what

2018-08-25 20:54:51 UTC

waaait, that's a semiauto

2018-08-25 20:55:11 UTC

also, rifle is actually better for preventing overpen

2018-08-25 20:55:20 UTC

556 has less barrier pen than 45

2018-08-25 20:55:25 UTC

but more armor pen

2018-08-25 20:55:30 UTC

Cheep end is about $1K

2018-08-25 20:57:42 UTC

.45ACP out of a 16" has reduced muzzle velocity and in an appartment will have a harder time busting throw drywall when you use JHP rounds. 16" for 5.56x45 or 9x19 will punch throw drywall no problem.

2018-08-25 20:58:17 UTC

uh, in what world does a long barrel *reduce* muzzle velocity?

2018-08-25 20:58:57 UTC

In .45ACP and .44MAG where the powder burns up in 10 to 14" of barrel.

2018-08-25 20:59:03 UTC

and you're plain wrong, barrier penetration improves with mass, not speed

2018-08-25 20:59:29 UTC

WAT

2018-08-25 20:59:33 UTC

I may be drunk

2018-08-25 20:59:39 UTC

but in no scenario ever

2018-08-25 20:59:46 UTC

does mass EVER change

2018-08-25 21:01:23 UTC

You are drunk.

2018-08-25 21:01:49 UTC

Yes, 5.56 rounds are between 50 and 80 gr (Averages) 9Luger is about 100 to 130 gr (averages) and .45 ACP is normally found in 200 plus gr weights

2018-08-25 21:01:55 UTC

If you shoot a heavy bullet at a wall it'll go through more than a fast bullet is what I'm saying

2018-08-25 21:02:21 UTC

^

2018-08-25 21:02:26 UTC

I mean, if you're getting really technical, then yes, a heavier projectile improves penetration, but it improves at speed^2

2018-08-25 21:02:46 UTC

barrier, not armor...

2018-08-25 21:02:50 UTC

mass x speed x speed

2018-08-25 21:03:06 UTC

and that's energy, not penetration

2018-08-25 21:03:08 UTC

= force

2018-08-25 21:03:15 UTC

= "penetration"

2018-08-25 21:03:25 UTC

No.

2018-08-25 21:03:44 UTC

Those are parts of the Terminal Ballistic Effect equations not the hole Cwow

2018-08-25 21:04:14 UTC

@Crow there's more to going through kevlar and wall respectively than just the energy

2018-08-25 21:04:27 UTC

otherwise a strong punch would go through kevlar

2018-08-25 21:04:40 UTC

Also included are things like Bullet design, diameter, and media being shot at

2018-08-25 21:04:45 UTC

^

2018-08-25 21:05:21 UTC

a strong punch DOES go through kevlar, which is why blunt trauma is a thing

2018-08-25 21:05:34 UTC

but it doesn't penetrate

2018-08-25 21:05:46 UTC

there isn't a hole in the kevlar

2018-08-25 21:05:51 UTC

Jacketed Hallow Points do better against flesh than kevlar, but can weigh the same as a full metal jacket that does do better against the kevlar than the flesh

2018-08-25 21:05:53 UTC

>and you're plain wrong, barrier penetration improves with mass, not speed
This is what I'm arguing against

2018-08-25 21:05:56 UTC

fundamentally

2018-08-25 21:06:43 UTC

barrier penetration improves with mass AND speed, as well as a hundred smaller factors like shape (not really relevant to this argument)

2018-08-25 21:06:44 UTC

toss a baseball at a wall, now THROW the baseball at the wall, same mass, does the extra speed help it go deeper??

2018-08-25 21:07:08 UTC

kek

2018-08-25 21:07:42 UTC

a baseball thrown does not have enough energy to penetrate a wall generally speaking

2018-08-25 21:08:09 UTC

Strong throw that goes through a wall... Sure it will, but a heavy baseball going fast is still going through more layers than a light baseball going REALLY fast

2018-08-25 21:08:31 UTC

a drop a cannon ball from 1y, now SHOOT the cannon ball at a wall with the same mass

2018-08-25 21:09:08 UTC

There was a test they did where they took drywall sheets lined up behind one another and shot it with various calibers

2018-08-25 21:09:17 UTC

mass x speed x speed

2018-08-25 21:09:54 UTC

more energy, less inertia my dude, and inertia is what you need for the wall

2018-08-25 21:09:59 UTC

speed (velocity) is a lot more important than mass

2018-08-25 21:10:32 UTC

which is why a few gram heavy bullet can REKK your body armor and kill you

2018-08-25 21:10:43 UTC

The other part of it Proyne is that I have in more modern handgun loads (JHPs) in particular they are using fast burn powders these days so in a long barrel (over 14") you are losing muzzle Velocity.

2018-08-25 21:11:08 UTC

as the long as the bullet is going SANIC FAST supersonic speeds

2018-08-25 21:11:35 UTC

>you are losing muzzle Velocity.

2018-08-25 21:11:38 UTC

I call bullshit

2018-08-25 21:12:49 UTC

you might get no measurable improvement in muzzle velocity, but I find it VERY hard to believe you would lose muzzle velocity

2018-08-25 21:14:03 UTC

.44MAG lever gun chronos faster as SBR than a Carbine

2018-08-25 21:14:03 UTC

for that to happen, the pressure from the atmosphere outside would have to be higher than that inside barrel

2018-08-25 21:14:40 UTC

there's friction from the barrel, you know

2018-08-25 21:15:18 UTC

Now if you were to up that to a 20" plus barrel it would really lose the MV

2018-08-25 21:16:09 UTC

14" to 16.5" will cause about 10 to 20% depending on the powder,

2018-08-25 21:16:37 UTC

yeah but that requires an insane scenario where the barrel friction is equal to or greater than the pressure difference between a figurative gunpowder explosion and NTP

2018-08-25 21:17:04 UTC

you have no idea how high friction gets at near-sonic speeds gets do you

2018-08-25 21:17:11 UTC

But if you go to a slow burn powder it will result in the traditional increased MV in up to 18" barrel

2018-08-25 21:17:13 UTC

a simple way to visualize this:

2018-08-25 21:17:34 UTC

does a 20'' have a muzzle flame?

2018-08-25 21:18:01 UTC

Firing .45? I'm gonna say no

2018-08-25 21:18:05 UTC

actually no, that doesn't actually prove anything

2018-08-25 21:18:19 UTC

as what you're firing might burn VERY slowly

2018-08-25 21:18:34 UTC

I can't find a 20" barrel i .45ACP

2018-08-25 21:18:58 UTC

THAT is a good argument in my favor

2018-08-25 21:19:03 UTC

Makes sense, why the hell would you do that

2018-08-25 21:19:33 UTC

since you can't find a 20ยจ barrel, do you agree it could be because a 20ยจ barrel provides no benefit?

2018-08-25 21:19:46 UTC

20" is a fairly normal "Rifle Length" Barrel across calibers

2018-08-25 21:20:10 UTC

no measurable benefit over a Xยจlong barrel that is shorter

2018-08-25 21:20:50 UTC

The M16s have 20" barrels, 20" shotgun barrels, ect

2018-08-25 21:23:22 UTC

I have found 16 to 17" barrels for .45ACP, but then again the military chose 10" barrels for their Thompsons.

2018-08-25 21:29:50 UTC

which one is optimal

2018-08-25 21:30:37 UTC

obviously, if you use a 200ยจ barrel you will lose out

2018-08-25 21:30:53 UTC

but I'm

2018-08-25 21:31:13 UTC

really interested to hear what the breaking point is

2018-08-25 21:33:40 UTC

assuming
>20" is a fairly normal "Rifle Length" Barrel across calibers
I'd hazard a guess and say 20" is close to optimal since weapon designers have a LOT of practice

2018-08-25 21:34:31 UTC

I mean it could be 16" as has been mentioned ITT

2018-08-25 21:34:51 UTC

or maybe it's 24 or 22

2018-08-25 21:35:50 UTC

in (7.62x51 Winchester Comercial loads) 24" is considered the best ballance of mobility vs Maximizing performance, in 6.5 Creedmore I hear calls for 26"

2018-08-25 21:37:55 UTC

But in terms of usefulness, 20" offers a ballance of MV and functional mobility so it is common, the other big ones in the US are 16" because of the NFA and 14" for 5.56x45 rounds because that is the threshhold for useful MV vs FM that the military uses

2018-08-25 21:40:31 UTC

The M1 Garand was set up with a 24" barrel

2018-08-26 01:51:07 UTC

https://cdn.discordapp.com/attachments/467577750325297162/483090991482404864/Screenshot_20180825-184137_Facebook.jpg

2018-08-26 01:51:08 UTC

Lol

2018-08-26 01:53:28 UTC

oh shit @Zuihou you play Girls Frontline?

2018-08-26 01:54:12 UTC

i used to play it but it never gave me any of the guns i wanted so now i'm playing the game with boats

2018-08-26 01:54:43 UTC

Azure Lane?

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