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Military Guns and Ammunition

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This is intended for people interested in the subject of military guns and their ammunition, with emphasis on automatic weapons.

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NGSW evaluation update   Small Arms <20mm

Started 31/7/20 by autogun; 16128 views.
Farmplinker

From: Farmplinker

21/8/20

I keep telling my buddy with a .338 LM he needs a suppressor.

QuintusO

From: QuintusO

21/8/20

Mr. T (MrT4) said:

Wonder what the barrel length is on the .338 NM MG 

24 inches.

In reply toRe: msg 73
poliorcetes

From: poliorcetes

9/10/20

No smuzzle!!!

EmericD

From: EmericD

9/10/20

poliorcetes said:

No new supressor. But look at the recoil

And the heat!

After 20 rounds, there's smoke everywhere.

poliorcetes

From: poliorcetes

9/10/20

Absolutelly. But if you have a non-smuzzle suppressor, with the alledged specs of the new cartridge they are going to produce a lot of returning smoke and accumulate heat

QuintusO

From: QuintusO

9/10/20

Yes it looks pretty good. Cyclic rate looks like it was kept down to 600 or so. Looks like they pulled some weight out, also, maybe. But it's still a chunky hunk of aluminum. Saving grace appears to be minimal steel moving parts, so they're lighter than they look.

poliorcetes

From: poliorcetes

9/10/20

Rifle seems to have a less kicker recoil than a DMR in .308, even without smuzzle . Do you think it will be good enough for rapid semiauto fire?

Farmplinker

From: Farmplinker

9/10/20

Shooting the suppressor wet maybe?

QuintusO

From: QuintusO

9/10/20

I can shoot a Portuguese AR-10 (which is perhaps the .308 with the most recoil) in rapid fire on semiauto so that's not quite the right metric.

The recoil we're seeing in the promo videos is pretty admirable. I wasn't convinced the Textron gun would have good recoil characteristics (it's very easy to "fake" low recoil, and if you don't believe me watch any video of someone manhandling an FAL, like this one: https://www.youtube.com/watch?v=sOxntuXpfdM) until the Tactical Rifleman video: https://www.youtube.com/watch?v=sOxntuXpfdM

It's very tricky to get recoil right. Boiling it down to cartridge recoil energy is too simplistic. It depends a lot on the rate of fire and the kinematics and ergonomics of the gun itself. What we see at 10:35 in that video is the gun being shot in what is really not a very good position (on the bench yes, but no forward hold) for full auto, and it does quite well, even without a smuzzle. So I'm encouraged on that front.

My primary concerns right now are rifle system weight, ammunition bulk, and that the Army seems determined to adopt another goddamned belt fed to replace the SAW.
 

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