M855A1 Enhanced Performance Round (EPR)

This is a discussion on M855A1 Enhanced Performance Round (EPR) within the Law Enforcement, Military & Homeland Security Discussion forums, part of the Related Topics category; Interesting read on the specs of the M855A1 Enhanced Performance Round (EPR) M855A1 Enhanced Performance Round (EPR)...

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Thread: M855A1 Enhanced Performance Round (EPR)

  1. #1
    VIP Member Array ExactlyMyPoint's Avatar
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    M855A1 Enhanced Performance Round (EPR)

    Interesting read on the specs of the M855A1 Enhanced Performance Round (EPR)

    M855A1 Enhanced Performance Round (EPR)
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  3. #2
    Senior Member Array ExaltedOne's Avatar
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    Looks pretty good.

    When is it suppposed to be introduced?

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    Senior Member Array ExaltedOne's Avatar
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    Now if they make a 7.62x51 EPR I wonder how devastating would it be.

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    Member Array wsquared's Avatar
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    Very, very interesting read. A "non-expanding" 5.56mm round that does not depend on the combination of yaw and fragmentation at the cannelure ofr it's soft target effects. 62 grains - but longer because it's copper and steel instead of lead and steel. More complex propellant, higher chamber pressure, better barrier performance - definitely sounds like a wholesale improvement.

    To my mind, the biggest improvement will be consistnecy of soft target effects (if it proves out operationally).

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    Senior Member Array palmgopher's Avatar
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    And where can I buy it?......lol

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    Member Array wsquared's Avatar
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    Nein! Das ist verboten!

    Of course, as private citizens we have long had access to ammunition that offers reliable terminal performance on soft targets without relying on yaw and fragmentation. The place where we would see a real difference is in barrier performance - but to be honest, given that I may end up using my AR in a situation where I don't want to see all that much penetration, I'm happy sticking with what I currently feed my AR.

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    VIP Member Array sixgun's Avatar
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    Sounds interesting. But will this be availible to the general public. I doubt it.

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    Senior Member Array IsaiahM33's Avatar
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    Nope. Not anytime soon, anyway. I just finished a master gunner course where this round was discussed. Sounds like a real winner if it performs as advertised, which I'm told has been fleshed out by certain Tier 1 units.
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    Member Array wsquared's Avatar
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    Quote Originally Posted by sixgun View Post
    Sounds interesting. But will this be availible to the general public. I doubt it.
    There's no reason that a manufacturer couldn't produce it for the general public - it's simply a steel penetrator on the front of an all-copper slug. The thing is that unless you intend to be shooting at people through barriers, there is civilian ammunition on the shelf today that will do an equal or better job for you.

    It probably will not end up on the shelves as military surplus for a long time....simply because the military won't have any surplus of it!

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    VIP Member Array NC Bullseye's Avatar
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    I would expect to see it available to the public shortly after it goes into mass production. Just like current versions, some batches will not meet mil spec and will end up being sold just like the xm193. AK doesn't like to let any chance to make a dollar go by so I bet we see some when it becomes a standard.
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    VIP Member Array 10thmtn's Avatar
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    So what, exactly, makes this better against soft targets?
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    Senior Member Array Skygod's Avatar
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    Higher chamber pressure ? We already have experience with expanison of the casing during it's ignition phase producing stuck casings in the chamber, especially in SBR's.

    I need to read more.
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    VIP Member Array Rob99VMI04's Avatar
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    Hate to burst the bubble!

    M855A1: Are Soldiers and Marines Being Sold Out? - Guns & Ammo

    5.5 MOA LOL......
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    Senior Member Array ElMonoDelMar's Avatar
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    Quote Originally Posted by Rob99VMI04 View Post
    Hate to burst the bubble!

    M855A1: Are Soldiers and Marines Being Sold Out? - Guns & Ammo

    5.5 MOA LOL......
    I'm really ignorant with long range shooting and MOA. What would a match grade AR with match grade ammo be able to shoot? I'm trying to get an idea of just how bad 5.5 MOA is.

  16. #15
    VIP Member Array suntzu's Avatar
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    According to the original link by the OP:
    Accuracy testing* shows that on average, 95% of rounds will hit within a eight by eight inch target at a range of 600 yards
    That is better than 5.5 MOA.
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