Item #: HOR81353

Hornady Superformance 257 Roberts +P Rifle Ammunition

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Product Description


Hornady Superformance 257 Roberts +P Rifle Ammunition is 100 to 200 fps faster than any conventional rifle 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. Hornady Superformance 257 Roberts +P Rifle Ammunition is a cutting edge technological advancement in ammunition design that transcends convention and achieves the highest performance of any ammunition on the market today.

Hornady Superformance 257 Roberts +P Rifle Ammunition 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. Ultimately this leads to more recoil and muzzle blast. The Hornady Superformance 257 Roberts +P Rifle Ammunition solution is an elegant approach that 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!

Hornady Superformance 257 Roberts +P Rifle Ammunition provides increased performance, and is safe to use in all firearms, including semi-autos, lever gun and pump actions. Increases in rifle performance, no increases in barrel wear and felt recoil, along with superior temperature stability are all realized with Superformance ammunition. It really is Rocket Science.

Hornady Superformance 257 Roberts +P Rifle Ammunition features a streamlined for ultra-flat trajectories. Polymer tip for rapid expansion and maximum energy transfer. Match-grade jacket delivers surgical accuracy. Heavy construction with InterLock feature delivers deep penetration every time.

Hornady Superformance 257 Roberts +P Rifle Ammunition Specifications:
Caliber :257 Roberts +P
Bullet Type :SST
Bullet Weight :117 GR
Muzzle Energy :2253 ft lbs
Muzzle Velocity :2946 fps
Ballistic Coefficient: .390
Rounds/box :20 Rounds Per Box, 10 Boxes Per Case
Game Category: dangerous game
Casing Material: brass

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"Very good site, excellent depiction and descriptions on items. I was able to order ammo in case quantity where I could not do this at other sites." Sept 2014
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