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Subject: Barrett 25mm rifle, fact or mith
Bigbro    5/23/2004 10:17:50 PM
I had heard through the grapevine that barrett was working on a 25mm rifle based on the M-82. Is there any thing to this or is this just an gun nut mith?
 
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doggtag    RE:Barrett 25mm rifle, fact or mith   5/23/2004 11:57:37 PM
...it could be a single-shot version firing the same fuzed rounds of the 25mm OCSW... which interestingly enough can be converted into a .50HMG by changing the barrel and breech mehanism. It (the Barrett) could fill the role between heavry rifle and the heavier OCSW..
 
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eon    RE:Barrett 25mm rifle, fact or mith   6/9/2004 10:57:14 AM
By this logic, you probably could build an M82 in 25mm OCSW by changing its barrel and breechblock. But what about recoil?.
 
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gf0012-aust    But what about recoil?   6/9/2004 11:18:52 AM
Maybe you could counter some of the recoil by floating the breechblock and retipping/changing the muzzlebreak?
 
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Horsesoldier    RE:But what about recoil?   6/9/2004 2:08:43 PM
Use the same recoil comp as the OICW was fitted with -- 25mm OCSW is the same round they want the thing to fire, so it is not going to kick like an M242 Bushmaster round or anything.
 
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B.Smitty    RE:But what about recoil?   6/9/2004 2:23:26 PM
It's called the "Payload Rifle" link link Apparently it kicks like a 3.5" Magnum 12-gauge round.
 
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eon    RE:Short OAL of 25mm   6/10/2004 9:50:46 AM
It's also considerably shorter back-to-front than the M82 .50; 45 inches, or one inch more than the old M-14. This makes it a bit more maneuverable in a tight spot, I'd imagine..
 
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Shooter    RE:Short OAL of 25mm   11/10/2004 3:04:31 PM
It kicks more than any 12 gage load in a light gun or the M-82 in 50 cal. It is semi auto and I suspect that the heavy recoil is why no one has bought it to date. I like to shoot it but am a known masocist? I think what we really need is an intermeadiate 40 mm round and heavier gun to shoot it. If it was semi auto, weighed 6 kilos, had a fancy sight system and a 100-125 M/S MV, it could with some of the ammo on the design boards now, replase the ATRL and light mortar with a sigle weapon.
 
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dudley    RE:Short OAL of 25mm   11/25/2004 3:10:52 AM
25 mm is a cannon not a gun.Ever see a 25 mm socket,its huge.50 caliber is .5 in and is a peanut in comparison.
 
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Gunther    RE:Short OAL of 25mm   11/25/2004 5:48:29 AM
It's a weapon looking for a job. May be useful for long range work, especially against light vehicles, but that job much better suited to crew services weapons. As for close in fire support for the squad, 40mm does that much better. And now we are seeing 40mm grenade launchers in development capable or firing the high velocity rounds like M384 used in the MK 19. Such as FNs new 40mm High-Impulse Weapon System (HIWS). Get the low down here link This make it a much harder sell, I'll doubt they'll find any customer apart from the Spec Ops community, such a system may be very useful for small independent combat units, who often lack support.
 
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Maratha    I agree with Dudley   12/6/2004 9:44:41 AM
What Dudley wrote is quite true. Actually 25mm should be classified as a big bore and not a small bore rifle. Also with such a high velocity bullet the recoil is real "Horse Kick" !! I would say it is more of a Gatling gun for a soldier but with all the negatives of no rapid fire.
 
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Old Grunt    RE:I agree with Dudley   12/7/2004 8:47:14 AM
Actually the recoil is not a problem. In addition to a very effective compensator it has a buffer system that combines four mechanical springs with a pneumatic piston. Felt recoil is slightly more than what you get with the M24 (a very pleasent surprise when I was test firing). The best thing is that the buffer can be retrofitted to the .50 Cal systems reducing their felt recoil to that of the M16.
 
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NippleChips    RE: But what about recoil?   12/29/2004 8:20:54 PM
remember that this is not a 25 MM bradley cannon round! This a small specially designed round, not a full size 25 mm round. The original Barrett has effective compensators for the .50 cal round; in this model the system has been adjusted accordingly.(look at the small arms review picture of the beefy springs) I read this somewhere a while ago and I may be a a little wrong but last I heard the US special forces in Afghanistan were snapping them up for anti-material use. The reason being that the .50 cal wasn't good enough. I mean, for example, which would you rather use to take a out a SCUD(or fuel tank, yadda yadda) a half inch round with very little explosive fill, or a 1 inch(about) round with considerable explosive fill.
 
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WinsettZ    RE:Short OAL of 25mm   1/5/2005 4:51:28 PM
link Of course, the 25mm in the OCSW isn't as long as the 25mm in the image. Probably quite a bit shorter, though it looks pretty scary if you compare just the bullets and ignore the cartridge.
 
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Shooter    RE:I agree with Dudley   1/5/2005 5:21:42 PM
I do not know what "OLD GRUNT" is smoking, but I need some desperately. The recoil IS TWICE AS HEAVY AS THE .50 BMG ROUND IN THE SAME GUN! Don't belive me read INTERNATIONAL DEFENCE REVIEW's write up some months back. IIRC, the projectile weighs 132 grams and has a MV of 425 M/S. Plug those numbers into your balistics program to find the recoil in a 33 pound gun. IIRC it is almost 70 ft/lbs or about twice the average 12gage magnum recoil in an 8 pound gun. I have seen 40mm grenades that weighed 220 grams compaired to 190-200 typical, that are launched at +100 m/s compaired to the traditional 75-76 m/s. This more than doubles the range and the recoil is not half of the 25 mm Barret "Payload Rifle". I would rather hafe 30-40 grams of HE landing on my target than 12-18.
 
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Old Grunt    RE:I agree with Dudley   1/6/2005 10:17:04 AM
And you fired the 25mm exactly when? If I can set up a shoot, are you willing to travel? You really should trust personal experience over what you read in a magazine (or internet forum for that matter). I can do ballistics math as well as anyone and I fully expected to be hammered unmercifully by the 25. I was quite gratified that this was not the case. This is the difference between taking abstract numbers in a vacuum and the reality of firearms engineering. I so love my job!!!
 
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