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17 Winchester Super Magnum
Type Rifle
Place of origin United States
Production history
Designer Winchester
Designed 2012
Produced 2013–Present
Specifications
Parent case .27 caliber nail gun blank
Bullet diameter .172 in (Bad rounding hereScript error mm)
Case length 1.200 in (Bad rounding hereScript error mm)
Primer type Rimfire
Ballistic performance
Bullet weight/type Velocity Energy
20 gr (Bad rounding hereScript error g) 3,000 ft/s (Bad rounding hereScript error m/s)399 ft·lbf (Bad rounding hereScript error J)
25 gr (Bad rounding hereScript error g) 2,600 ft/s (Bad rounding hereScript error m/s)375 ft·lbf (Bad rounding hereScript error J)

.17 Winchester Super Magnum, is a rimfire rifle cartridge developed by the ammunition company Winchester in 2012. It descended from the .27 caliber nail gun blank by necking down the blank case to take a .17 caliber (4.5 mm) bullet. Initial loadings will be a 20 grain bullet, delivering muzzle velocities around 3000 ft/s .[1]

DevelopmentEdit

Winchester, in conjunction with Savage Arms (manufacturer in the rimfire rifle market), introduced this cartridge at the 2013 SHOT Show. [2]

The brass case for this round is roughly 50% thicker than the 17 HMR, and the max average internal pressure is 33,000 psi, versus the 17 HMR's 26,000 psi. [3]

AvailabilityEdit

As of January 2013 some retail outlets are listing the ammunition with expected availability of late first quarter or early second quarter 2013. [4] Hornady will also be delivering a 25 grain V-max loading at 2,600 fps.

See alsoEdit

ReferencesEdit

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