17 Win Super Mag Ammo
Shop in-stock 17 WSM ammunition in bulk with next-business-day shipping. Winchester Varmint HV 20gr and 25gr polymer tip loads in 500-round cases for the fastest rimfire on the market. Read more about 17 WSM ammo.
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17 WSM – 20 Gr Polymer Tip – Winchester Varmint HV (S17W20) – 500 Rounds
$219.00$0.44 per round Add to cart -
Overview of 17 WSM Ammo
17 WSM (Winchester Super Magnum) is the fastest and most powerful rimfire cartridge commercially available. It fires a .172-inch polymer-tipped bullet, usually 20 to 25 grains, at around 2,600 to 3,000 fps. That gives it a flatter trajectory and more energy than 17 HMR, making it effective on prairie dogs, groundhogs, foxes, and coyotes out to about 200 to 250 yards.
17 WSM uses a necked-down case originally made from .27 caliber nail gun blanks, so it requires a rifle built specifically for the cartridge. For a lighter, more widely available .17 rimfire, see our 17 HMR ammo.
17 WSM Brands We Carry
- Winchester 17 WSM Ammo: Varmint HV 20gr polymer tip for maximum speed and 25gr polymer tip for more energy on larger varmints.
Best 17 WSM Ammo for Specific Uses
| Use Case | Top Pick | Also Consider |
|---|---|---|
| Prairie Dogs / Long-Range Varmints | Winchester Varmint HV 20gr Polymer Tip | Winchester 25gr Polymer Tip |
| Foxes / Coyotes at Close Range | Winchester 25gr Polymer Tip | Winchester Varmint HV 20gr Polymer Tip |
Why Buy 17 WSM Ammo from BulkMunitions?
- In stock and ready to ship. We only list ammunition that is physically in our warehouse. No backorders.
- Next-business-day shipping from our Knoxville, TN warehouse on orders placed before our daily cutoff.
- Hard-to-find caliber, by the case. 17 WSM is rarely stocked locally, and 500-round cases keep you shooting all season.
- We tithe 10% of profits to Christian-based, 2A-supporting organizations every quarter, and our customers vote on where it goes.
Frequently Asked Questions
17 WSM vs 17 HMR: what is the difference?
17 WSM is faster and more powerful than 17 HMR, with a flatter trajectory and more energy past 150 yards. 17 HMR ammunition is cheaper and far more widely available, and more rifles are chambered for it. They are not interchangeable.
Is 17 WSM good for coyotes?
17 WSM can take coyotes at close to moderate range with precise shot placement, especially with the 25-grain load. For coyotes at longer distances, a centerfire cartridge like .223 Remington or 22-250 is a better choice.
What rifles shoot 17 WSM?
17 WSM requires a rifle built for the cartridge, including the Savage B-Mag and models from Ruger, Winchester, and Browning. It will not fit 17 HMR or 22 WMR rifles.
More About 17 WSM Ammo
Winchester introduced 17 WSM in 2013, built on a modified .27 caliber nail gun blank case that could handle much higher pressure than other rimfire cases. Necked down to .17 caliber, it produced the fastest rimfire velocities ever offered to the public.
Savage launched the B-Mag rifle alongside the cartridge, and other rifle makers followed. 17 WSM has become a favorite of varmint hunters who want centerfire-like reach with the low noise and cost of a rimfire.
Related reading: Centerfire vs Rimfire: Differences and Basics