17 Win Super Mag Rimfire from Winchester — Field Report
At Media Day we test-fired the new 3000 FPS rimfire ammunition from Winchester. Shooting the new 17 Win Super Mag ammo from a pre-production Savage B.MAG rifle (more on that later) and a Browning m1885 falling block, we were able to shoot sub-minute-of-angle groups with a pretty primitive front rest and lumpy rear bag. So far, then, it appears the ammo is pretty darn accurate for a mass-produced rimfire cartridge. Savage has promised to send us a B.MAG rifle for further testing. Watch the video below for more details on this new cartridge.
New 3000 FPS Rimfire Round
Winchester has announced a new, high-velocity 17-caliber rimfire cartridge, the .17 Winchester Super Magnum (aka .17 Win Super Mag). The .17 Win Super Mag will initially be offered in three bullet types: 20gr plastic tip (Varmint HV), 25gr plastic tip (Varmint HE), and a 20gr JHP (Super-X). The 20-grain varieties boast a 3000 FPS muzzle velocity, earning honors as the fastest Rimfire ammo ever made.
| .17 Winchester Super Mag Specifications | |||
| Symbol | Sub Brand | Bullet Weight | Muzzle Velocity |
| S17W20 | Varmint HV | 20-gr Plastic Tip | 3,000 fps |
| S17W25 | Varmint HE | 25-gr Plastic Tip | 2,600 fps |
| X17W20 | Super-X | 20-gr JHP | 3,000 fps |
Winchester claims that all .17 Win Super Mag ammo types shoot much flatter than the .22 Win Mag and .17 HMR, while delivering more than 150 percent more energy than both. In addition, the .17 Win Super Mag “bucks the wind” better than any other rimfire ammo — exhibiting significant less horizontal drift at extended ranges. The ammunition should be available at Winchester dealers by April 2013.
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Tags: .17 Win Super Mag, 17 HMR, 17 Winchester Super Magnum, 17HMR, 3000 FPS Rimfire, Jason Baney, Media Day, Polymer Tip
Due to current availability and price of 17HMR ammo my Savage 93R17 remains keeper. For 200+ yards varmint hunting .223 is much better choice for the same reasons.
I always like to see a new cartridge.just don’t know why no one has developed a better 20cal rimfire than the 5mm remington magnum. with today’s technology, you would think that they be able to get 3000fps with 30 grain bullet.
the idea of a rimfire, in 17 cal super mag, sure excites me,I currently shoot a 17 cal. centerfire,in model 7…sounds odd perhaps to many shotters,to have a jr. rifle.but it works out reather well when my grandsons want to shoot with me…and being disabled,not too much to carry down the tracks looking…several post have brought me back to some form of sence as I havent reloaded for a long time and liveing in a apt. for disableds.
Editor: I just returned from a squirrel hunt (varmint control on ranches) where at least 40% of the hits were made inside 150 yards with a 17 HMR. The four of us (on the hunt) all agreed that a “17 HMR on steroids” would be a very welcome addition to the list of factory rimfire options. We had hoped to get the new 17 WSM rimfire to test on this hunt but no rifle or ammo was available.