Last reviewed: 2026-04-18 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
The Browning BPR 17 HMR ammo pairs a 17-grain polymer-tipped bullet with 2550 fps muzzle velocity — a combination engineered for varmint hunters who demand flat shooting and decisive terminal performance at extended rimfire distances. The 17 Hornady Magnum Rimfire cartridge sits between .22 WMR and centerfire .223, offering a middle ground for shooters who need more reach than .22 LR but less recoil and report than a centerfire varmint gun. Browning developed this line in partnership with Winchester, leveraging decades of ammunition manufacturing expertise to deliver rimfire loads that cycle reliably in bolt guns, semi-autos, and lever actions chambered for the HMR round.
Load Profile
The polymer tip serves two purposes: it enhances ballistic coefficient by streamlining the nose profile, and it drives into the lead core on impact to initiate controlled expansion. At 2550 fps, you’re working with 245 foot-pounds of muzzle energy — enough authority to anchor prairie dogs, ground squirrels, and jackrabbits out to 125 yards when you hold for wind and drop. The supersonic velocity rating means the bullet stays above the speed of sound for the majority of practical engagement distances, reducing the drag spike that degrades accuracy as transonic turbulence sets in. Non-corrosive priming and American manufacture ensure consistent ignition whether you’re shooting in high desert heat or early-season cold.
Specs at a Glance

| Spec | Value |
|---|---|
| Caliber | 17 Hornady Magnum Rimfire (HMR) |
| Bullet weight | 17 Grains |
| Bullet type | Polymer Tip |
| Muzzle velocity | 2550 Feet Per Second |
| Muzzle energy | 245 Foot Pounds |
| Rounds/box | 50 Round |
| Corrosive | No |
| Intended use | Hunting |
| Manufacturer | Browning |
This load ships in 50-round boxes — enough for a morning stand or a quick zero session before you head to the field. The 17 HMR ammo category continues to grow as rifles chambered for the cartridge become standard equipment for predator callers and small-game hunters who appreciate the flat trajectory and reduced pelt damage compared to centerfire options.
Safe Handling & Compliance
Federal law requires purchasers to be at least 18 years old for rifle and shotgun ammunition, and at least 21 for handgun ammunition. Ammunition cannot be shipped to certain states, counties, and cities — review our ammunition shipping restrictions before ordering. Store ammunition in a cool, dry location away from heat sources and out of reach of unauthorized users.
- Always keep firearms pointed in a safe direction, treat every gun as if it’s loaded, keep your finger off the trigger until ready to fire, and be certain of your target and what lies beyond it — the four universal rules of firearms safety apply to every shooting discipline.
- Verify that your state and local jurisdiction permit online ammunition purchases and shipment to your address; some municipalities impose additional age requirements, permits, or background checks beyond federal minimums.
- This ammunition contains lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm under Proposition 65 — wash hands after handling and avoid ingestion of residue.




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