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    Item #: HOR8136 Mfr# 8136

    Hornady 8136 Superformance 257 Weatherby Magnum 90 Grain Gilding Metal Expanding Centerfire Rifle

    Shop Hornady 8136 Superformance 257 Weatherby Magnum 90 Grain Gilding Metal Expanding Centerfire Rifle at - The hunt begins here. Fast shipping, great prices & large selection at America’s Premier Waterfowl Outfitter!
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    Product Description


    Hornady 8136 Superformance 257 Wthby Mag Gilding Metal Expanding 90GR 20Box/10Cs

    Superformance ammunition is 100 to 200 fps faster than any conventional
    ammunition on the market today, and achieves this performance in every gun,
    without increases in felt recoil, muzzle blast, temperature sensitivity,
    fouling or loss of accuracy. Superformance is a cutting edge technological
    advancement in ammunition design that transcends convention and achieves
    the highest performance of any ammunition on the market today.
    Superformance uses ultra progressive propellants that take your favorite
    SST or GMX bullets to levels of performance that are simply unattainable
    with conventional propellants. In order to get more velocity in the past,
    shooters have used a brute force approach with large charge weights of a
    slow burning powder in a larger cartridge case which leads to more recoil
    and muzzle blast. The Superformance solution utilizes specialized powders
    at normal charge weights, that impart all usable energy to the bullet
    reducing the rocket nozzle effect at the muzzle while still increasing
    velocity. Superformance provides increased performance, and is safe to use
    in all firearms, including semi-autos, lever gun and pump actions.

    Mfg Item Num: 8136
    Caliber :257 Weatherby Magnum
    Bullet Type :Gilding Metal Expanding
    Bullet Weight :90 GR
    Muzzle Energy :2855 ft lbs
    Muzzle Velocity :3780 fps
    Rounds Per Box :20
    Boxes Per Case :10
    Casing Material :Brass

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    "Great variety of hunting gear. They seem to have literally anything you could possibly need." Feb 2016