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Military Guns and Ammunition

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NGSW Phase 2 Consolidation and info   Small Arms <20mm

Started 30/8/19 by gatnerd; 501258 views.
EmericD

From: EmericD

16-May

stancrist said:

When 5.56 became the US standard rifle caliber, it in effect became a de facto NATO caliber.

Not really. The US "5.56 mm" was the M193, and what became the second NATO calibre was the SS-109 familly, not really the same cartridge.

By the way, I shot last week a very sweet 5.56 x 40 mm round, with a bullet C7 of 0.208 launched at 945 m/s from a "pseudo Mk12" (18'' barrel).

Hitting at long range was so easy (and fast) it was like cheating.

autogun

From: autogun

16-May

Sounds like the 5.56mm FABRL*, shown below with the M193.

* originally stood for Frankford Arsenal Ballistic Research Laboratory, but that evidently didn't sound sexy enough as it was renamed Future Ammunition for Burst Rifle Launch.

gatnerd

From: gatnerd

16-May

EmericD said:

By the way, I shot last week a very sweet 5.56 x 40 mm round, with a bullet C7 of 0.208 launched at 945 m/s from a "pseudo Mk12" (18'' barrel).

Was this further work with your Neckless round, or just a shortened 5.56x45?

EmericD

From: EmericD

16-May

autogun said:

Sounds like the 5.56mm FABRL*, shown below with the M193.

Quite close.

The cartridge started it's life as a regular 5.56x45 mm M855 from IMI, we removed the bullet, saved the powder, shortened the case by cutting most of the neck, put the powder into the case, then finally seated and crimped the new bullet (4.15 g / 64 gr).

MV was ~945 m/s from a 18'' gas-operated gun, and ~970 m/s from a 24" bolt-action rifle*.

Now, we are going to do the same thing but starting with M855A1, just to see if we can drive the same bullet at 3000 fps from a 14.5" barrel, and maintain a supersonic range of 900+m from a carbine.

*: EDIT - fired in regular 5.56x45 mm chamber.

  • Edited 16 May 2022 8:00  by  EmericD
njb3737

From: njb3737

16-May

EmericD,

what’s the end game with the work you are doing on 5.56mm rounds ? Does the (French) army intend to procure an improved round to re fit into the HK416f ? 

EmericD

From: EmericD

16-May

njb3737 said:

what’s the end game with the work you are doing on 5.56mm rounds ? Does the (French) army intend to procure an improved round to re fit into the HK416f ?

We are trying to explore all the technical possibilities available to enhance the 5.56 mm & 7.62 mm (lighter cases, advanced propellents, better bullets), then we will decide if "the juice worth the squeeze".

Additionally, those results will "feed" a technology program run by the European Defense Agency (including governments and manufacturers), devoted to define and build "a better mousetrap".

From a personal point of view, I would be pleased to see ours 416 FELIN (fitted with those large IR scopes) shooting those enhanced ammo.

njb3737

From: njb3737

16-May

Interesting, if you end up with a better 5.56 solution one wonders how the US 6.8mm will fit in to NATO counties future calibre choices.

Do you have a time line for selection of a new round ? 

EmericD

From: EmericD

16-May

njb3737 said:

Do you have a time line for selection of a new round ?

The French army decided for a "2 calibres" solution, with 5.56 mm for the PDW (HK416 F-C) and IW (HK416 F-S), and 7.62 mm for the support weapon (SCAR-H PR) shooting tungsten carbide AP rounds.

The choice of the successor of the Minimi is not decided yet. The initial idea was to buy a mix of 5.56 mm & 7.62 mm LMGs, but maybe we are going to buy only one version.

njb3737

From: njb3737

16-May

FN Evolys 7.62 must be a front runner on that.

Did I hear correctly that HK are working on a new LMG too ?

EmericD

From: EmericD

16-May

njb3737 said:

Did I hear correctly that HK are working on a new LMG too ?

Yep, heard that, around 6.5 kg with a quick-detach barrel.

And Beretta have also something with a "lock & load" bottom feed capability.

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