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Thread: Barrett M468 6.8mm Assault Rifle

  1. #16
    I've got your hardwood.... right here Durandal's Avatar
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    Quote Originally Posted by BOB1
    I would like to see what H&K...could do with this weapon.
    Make it cost even more.

    Come on, its an AR in 6.8 by BARRETT.

    It will still kill a man 100 yards away...

    It will still go through a paper target 300 yards away.


  2. #17
    Gun Nut Geezah's Avatar
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    Quote Originally Posted by Haiw
    Wasn't it possible to just use the normal 5.56mm magazines?
    While I was in the local library sorry Krogers, I was reading one of the many gun magazine on this and it said you would use standard M16/M4/AR15 mags. The only problem being it won't hold 30rnds.

  3. #18
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    it will only hold 5 to 6 6.8 rounds in a standard 5.56 magazine. so it is false, email barret, they will tell you that you need to use specifically designed mags as well. pri has a mag designed for 6.8 that hold 28 rounds.

  4. #19
    Senior Member dacanadianbomb's Avatar
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    Quote Originally Posted by Durandal
    Quote Originally Posted by BOB1
    I would like to see what H&K...could do with this weapon.
    Make it cost even more.

    Come on, its an AR in 6.8 by BARRETT.

    It will still kill a man 100 yards away...

    It will still go through a paper target 300 yards away.

    Lol nice post, very true
    Nice post cag147.
    Nice price at 1295$

  5. #20

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    Quote Originally Posted by Geezah
    Quote Originally Posted by Haiw
    Wasn't it possible to just use the normal 5.56mm magazines?
    While I was in the local library sorry Krogers, I was reading one of the many gun magazine on this and it said you would use standard M16/M4/AR15 mags. The only problem being it won't hold 30rnds.
    The cases are slightly larger in diameter and therefore need a wider magazine - or a magazine with the same outer dimensions with smaller "ribs" which allow more width within the magazine.

    A standard M16-magazine will (as already said) only hold a couple of rounds (5-7) while a specifically designed one will hold between 25 and 28 while having the same outer dimensions...

  6. #21
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    Quote Originally Posted by Guns and Weapons July 2004
    The M468's magazine is externally identical to the standard AR magazine, although it holds only 25 rounds. The magazine is internally different, however. The stiffening grooves on the magazine are not as deep as those on M16 magazines to accomodate the larger 6.8 SPC cartridges. We tried inserting 6.8 SPC cartridges into several M16 magazines and we were able to load a fewer than ten cartridges in each and the feeding was impaired.
    got a 4 pages article on it...it's quite long so I won't type it all but if you need more info, send me a PM.

  7. #22
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    Friday, May 28, 2004

    SOF review of 6.8mm Barrett M468

    1030Z FRI 28MAY04. July 04 Soldier of Fortune Magazine. Gary Paul Johnston.

    Johnston provides a great review of the Barrett M468, which he was able to fire at the Las Vegas Police Range. The continuation provides excerpts from his article.

    Barrett [of Murfreesboro, TN], previously producing only .50 BMG rifles, is one of the first manufacturers to offer a rifle chambered for the Remington 6.8mm SPC cartridge. It offers both a full rifle and an upper. In addition to promoting it for military and law enforcement use (the M468-LE with selective auto/semi fire and collapsible stock), Barrett is selling a civilian version (the M468 with semiauto only and fixed stock), saying it "opens new hunting opportunities in states where the 5.56 is too small for larger game."

    The rifle

    Barrett's M468 (the name derived from M4 and 6.8) is a virtual clone of the Mk-12 Variant "Recce" (a Navy Seal designation). It's an M4 rifle made in both selective-fire (for military or law enforcement) and semi-automatic-only versions (for the general public).
    Like the "Recce" rifle, the M468 uses the mid-length (piston) gas system developed by Mr. Mark Westrom, of ArmaLite. The M468-A1 comes equipped with the A.R.M.S. Mid-Length Selective Integrated Rail (S.I.R.) System and #40-A low Profile front Sight. The M468-A1 also uses the SOPMOD Folding Front Sight from Precision Reflex, Inc. along with PRI's new 6.8mm magazine.

    The M468 has a muzzle brake and suppressor mounting threads just in front of the front sight. With the suppressor, the report was much like a .22 short.

    Barrel length is 16 inches (6 groove, 1-in-10 RHT). Barrels are match grade. Overall length is 35.5 inches for the civilian semi-automatic with fixed synthetic stock. The LE version's stock can be collapsed to reduce overall length to 32 inches.
    According to the web page; 5, 10, and 28-round magazines are available. [The article mentions a 26-round PRI magazine.]
    The rifle weighs 7.3 lbs., according to the web page, with no accessories. [The article says 7.5 lbs.].

    The 6.8mm SPC round

    Whether the 6.8mm Special Purpose Cartridge (SPC) will ever be used by the military remains in doubt. Johnston says "the enemies of the project are coming out like insects from the woodwork."
    The 6.8mm SPC was a grass-roots initiative originating in the Special Forces, 5th Group - Airborne, and the Army Marksmanship Unit (AMU). It is based on the obsolete .30 Remington case. It may be the victim of "not invented here" thinking by military program managers.
    [While XM8s with 6.8mm barrels have been tested, it seems more likely the standard issue XM8, if adopted as the replacement for the M16/4 family of rifles, will be chambered for 5.56mm. The military is currently scrambling to set up larger 5.56mm contracts, as the next post notes.]
    Johnston feels the round is here to stay for LE and civilian use.
    Johnston claims the 6.8mm SPC "out shoots" the 7.62x39mm, 5.45x39mm, 5.56x45mm, and 6.5mm Grendel; but the article offers no data to substantiate this claim in this article. Perhaps he did in his 2-part story in the March and April issues of SOF.

    Johnston says the cartridge fires a 115-grain Hornady Match or Sierra Match .270 caliber bullet at 2600fps from a 16-inch barrel M16-type rifle, and has the same trajectory as the M118 7.62mm NATO Match cartridge.
    Ammo availability

    Remington sells the 6.8mm SPC now (Johnston says it cannot make it fast enough), and Hornady and Federal will soon offer it. Other manufacturers, such as Winchester and Wolf, are considering offering it.

    Magazines

    Some AR-15 magazines will feed 6.8mmm SPC satisfactorily for practice, and there may soon be a program to modify AR-15 magazines to reliably feed either 5.56mm or 6.8mm cartridges.

    Barrels

    All chamber reamer manufacturers now have 6.8mm chamber reamers, and most major barrel manufacturers will have 6.8mm 1-in-10 inch twist match-grade barrels available.

    Accuracy

    Firing was limited to 25 yards, so no accuracy data was obtained. Johnston expects 1 MOA accuracy, equivalent to a PRI 6.8mm rifle he has fired.

    Optics

    The demo rifles at Las Vegas sported the Trijicon ACOG sight, the Eotech Military/Police Reflex sight, the Aimpoint Comp M2, and a Leupold sight (to signify the rifle can be used for sharpshooting).

    Range

    Johnston quotes the effective range (for terminal incapacitation) as 600+ yards.

  8. #23
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  9. #24
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    "Johnston claims the 6.8mm SPC "out shoots" the 6.5mm Grendel"
    really?

    "but the article offers no data to substantiate this claim"
    a ha!

    barrett had their chance to "out shoot" the 6.5 and the blackwater shootout and all we got were excuses. all of the feedback that i've heard is that the barrett uppers are ****e to jam. ftf and ftr being cited .

  10. #25
    Combat boots fetish gilgoul's Avatar
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    couldn`t it be simpler to reform the Geneva convention and give a legaity to JHP jacketed hollow point) ?

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