January 18th, 2014

17 Win Super Mag Rimfire — Shoots Great, As Promised

The 17 Winchester Super Magnum Rimfire cartridge (aka 17 Win Super Mag or 17 WSM) debuted last January. There was lots of buzz about this new, high-velocity rimfire cartridge in 2013, but the ammo was hard to get. Also, months passed before rifles chambered for the new cartridge were available. Now that situation is changing. Winchester has been producing 17 WSM ammo for a year now, actually making twice as much 17 WSM ammo as originally planned.

Winchester 17 Win Super Mag Super Magnum WSM 3000 fps rimfire

And now you can finally get a rifle to shoot the speedy little cartridge, the fastest rimfire round ever created. Browning offers a Falling Block chambered in 17 WSM, Savage has its new B-Mag rifle in 17 WSM, and Volquartsen is taking orders for an impressive, semi-auto 17 WSM. So the future is bright for this little cartridge, which can drive a 20-grain bullet at 3000 FPS, or a 25-grain bullet at 2600 FPS.

Savage B-Mag Rifle Chambered in 17 Win Super Mag.
Winchester 17 Win Super Mag Super Magnum WSM 3000 fps rimfire

Easy One-MOA Accuracy, Even in High Winds
We had a chance to shoot some 25-grain 17 WSM ammo through a new Savage B-Mag rifle. This polymer-tipped ammo showed its capability to buck the wind way better than .22 LR ammo (or even 17 HMR). In gusty 15-20 mph winds, Jason was still able to put five shots inside an inch or so at 100 yards.

Watch Jason Shoot 17 Win Super Mag in Savage B-Mag Rifle. In Second Part of Video, Winchester Staff Talks about 17 WSM Ammo Availability:

The B-Mag rifle worked well. The trigger is surprisingly good, with a crisp break at around 3.5 pounds. The B-Mag employs a “cock-on-close” design. Last year we tried an early production prototype B-Mag, and the bolt closure was very heavy. Though Savage claims there were no significant design changes, we can tell you the B-Mag is improved. Bolt closure takes less effort and the feeling as you drop the bolt handle is much smoother. (Perhaps the firing pin spring rate has been softened.) We did get a misfeed from the rotary-style magazine when cycling very rapidly. However, if you slow down a bit it works fine. You also must make sure the bolt is pushed ALL the way forward before you begin to rotate the bolt handle downwards.

Winchester 17 Win Super Mag Super Magnum WSM 3000 fps rimfire

Winchester 17 Win Super Mag Super Magnum WSM 3000 fps rimfire

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