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Marines Working with the Army on 5.56mm Rifle Round Replacement
Military.com ^ | 11 Apr, 2018 | Matthew Cox

Posted on 04/12/2018 6:35:08 PM PDT by MtnClimber

NATIONAL HARBOR, Md. -- A senior Marine Corps official confirmed today that the service is lockstep with the Army's effort to search for a rifle round more potent than the current 5.56mm round.

For months, senior Army officials have been telling Congress that the current 5.56mm Enhanced Performance Round is not potent enough to penetrate enemy body armor plates similar to U.S. military-issue rifle plates such as the Enhanced Small Arms Protective Insert, or ESAPI.

As a solution, the Army is experimenting with a plan to replace its M249 squad automatic weapon and M4 carbine with futuristic weapons that fire a 6.5mm case-telescoped round or something that falls between a 5.56mm and a 7.62mm round.

The Marine Corps, which recently decided to buy more M27 5.56mm Infantry Automatic Rifles, has not publically echoed the Army's concern with 5.56mm until now.

"We are working the Army; we have looked at the 6.5mm Creedmoor with the Army and [Special Operations Command]," Brig. Gen. Joseph Shrader, commander of Marine Corps Systems Command, told Military.com at the annual Sea-Air-Space exposition Wednesday.

"We are lockstep with them looking at a new round."

Shrader, however, said he did not know if the effort would mean a new infantry weapon for the Marine Corps.

(Excerpt) Read more at military.com ...


TOPICS: Military/Veterans
KEYWORDS: ammo; banglist; marines; rifle; usmc
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1 posted on 04/12/2018 6:35:08 PM PDT by MtnClimber
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To: MtnClimber

Before reading, I thought they would be looking at something in 6mm like the .243. But, I think the 6.5mm Creedmor would be an excellent choice!


2 posted on 04/12/2018 6:37:16 PM PDT by MtnClimber (For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
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To: MtnClimber

Betcha they’ve got reams of data compiled on .30 cal or .30-06 huh? Imagine that. Dust off those books boys!

Probably a crapton of ammunition still.


3 posted on 04/12/2018 6:41:31 PM PDT by Freedom4US
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To: MtnClimber

I have a solution.

LASERS!


4 posted on 04/12/2018 6:41:37 PM PDT by I got the rope
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To: I got the rope

You want lasers?

If FedGov ever managed to confiscate privately owned weapons, lasers would become available quickly and be buildable with easily purchased parts.


5 posted on 04/12/2018 6:44:55 PM PDT by Sgt_Schultze (When your business model depends on slave labor, you're always going to need more slaves.)
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To: MtnClimber

I think the 6.5 Grendel would be a great upgrade. The existing lowers would be usable and the only replacements that would be needed would be the upper(barrel) assembly and magazines. The 6.5 Grendel has an effective range of 800 plus yards.
Army will never do it, it would save too much money.


6 posted on 04/12/2018 6:45:12 PM PDT by pleasenotcalifornia
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To: I got the rope
Better yet


7 posted on 04/12/2018 6:49:25 PM PDT by BBell (calm down and eat your sandwiches)
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To: MtnClimber

One of the greatest rifles ever built-
http://www.chuckhawks.com/swedish_mauser.htm


8 posted on 04/12/2018 6:56:33 PM PDT by matthew fuller (Thank God for Donald J. Trump- El Presidente Por La Vida !!)
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To: MtnClimber

In 1965, I ordered a Swedish Mauser rifle in 6.5 caliber. At the same time I ordered 100 rounds of 6.5 surplus ammo loaded with a 156 grain fmj round nosed bullet.

Those bullets would penetrate a tree which was 5 feet in diameter. Absolutely stunning to me.

I later learned that it was not so much the caliber as the long and heavy for caliber bullets. They were parallel sided all the way to the nose.

A similarly built 220 grain 30-06 would have done the same.

Still the .264 caliber bullet is a nice compromise between power and other factors.


9 posted on 04/12/2018 6:58:38 PM PDT by yarddog
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To: pleasenotcalifornia

Yeah, going to the Creedmore would cost a fortune , having to go to the AR-10 type lower etc..

Grendel or .224 Valkyrie would be a lot cheaper and wouldn’t require a complete platform change, but meet the needs of an average Army or Marine infantryman.


10 posted on 04/12/2018 6:58:44 PM PDT by LegendHasIt
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To: Sgt_Schultze
You want lasers? If FedGov ever managed to confiscate privately owned weapons, lasers would become available quickly and be buildable with easily purchased parts.

Lasguns!


11 posted on 04/12/2018 6:58:56 PM PDT by DCBryan1 (Quit calling them liberals, progressives, or Democrats. Call them what they are: COMMUNISTS!)
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To: Freedom4US
Betcha they’ve got reams of data compiled on .30 cal or .30-06 huh? Imagine that. Dust off those books boys! Probably a crapton of ammunition still.

Most if not all 30.06 has been sold off by the CMP over the years. .308 (7.62X51 NATO) is still in use by GPMG's so there's lots of data available.

Here's a link to an article comparing .264 USA, 5.56 NATO, and 7.62X51 NATO.

http://www.thefirearmblog.com/blog/2016/08/31/modern-intermediate-calibers-021-us-army-marksmanship-units-264-usa/

The .264 USA does better in every category. The .264 USA also weighs less per round (carry more) , and is shorter that 7.62 NATO (smaller lighter firearm. The 6.5mm bullets used in the .264 suffers less wind drift, shoots flatter, and has more retained energy at long distance than 7.62 NATO.
12 posted on 04/12/2018 7:01:24 PM PDT by Tailback
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To: pleasenotcalifornia

Agreed. The Grendel is a very versatile cartridge.


13 posted on 04/12/2018 7:02:56 PM PDT by smokingfrog ( sleep with one eye open (<o> ---)
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To: MtnClimber

You saved me a post, thanks. 6.5 creedmoor is great.


14 posted on 04/12/2018 7:05:16 PM PDT by Bulwyf
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To: pleasenotcalifornia

I built a 6.5 Grendel and a couple of 5.56 rifles. The 330 blackout is great for urban setting. The 6.5 on a AR 10 type weapon could be pretty impressive in open country. The ability to pack a large amount of ammo comes into play. Control of recoil in auto falls in there too. The Grendel with 123 grain bullets adds something to the argument over the 5.56. The issue is what compromises should the troops have to make? It’s a tough issue with no clear cut solutions on a changing battlefield.


15 posted on 04/12/2018 7:08:05 PM PDT by Equine1952 (Close up 12 ga # 4 buck. Far 300 win. Each is great if you have an ammo carrier.)
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To: Bulwyf

Actually a 6.5 Carcano round loaded with the right bullet might be good.

My driver’s ed teacher ordered a Carcano and was telling us that the darned thing shot right through a pine stump. It had a similar bullet to the early 6.5 Swede loading, just not quite as powerful.


16 posted on 04/12/2018 7:09:28 PM PDT by yarddog
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To: Sgt_Schultze

lol


17 posted on 04/12/2018 7:10:06 PM PDT by I got the rope
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To: MtnClimber

Interesting how the quest for the ideal main battle rifle cartridge has led back to conclusions that were made - more or less - around 1900. Well, why not? Most current service pistols are using the modern-as-tomorrow (if tomorrow is 116 years ago) 9mm Parabellum.


18 posted on 04/12/2018 7:12:15 PM PDT by niteowl77
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To: yarddog

In true army fashion, they will approve the new, improved, 5.57 round bc 5.57 is better than 5.56 and then they will build a whole new gun around it bc nothing curently exists. 20 years from now they will cease development due to budget cuts and cost over runs and announce the return of the 5.56. Yay.


19 posted on 04/12/2018 7:17:19 PM PDT by Noamie
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To: niteowl77

I think the 30-06 and 8mm rifle cartridges were pretty good. I am not a big fan of 9mm and prefer 45 ACP. In expanding rounds, modern 9mm are getting better.


20 posted on 04/12/2018 7:21:33 PM PDT by MtnClimber (For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
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