Hunters GuideAmmunition prices · Rifle
.300 WSM Ammo Prices in Canada
- $2.85 a roundHornady - 300 WSM - 165 Gr - American Whitetail - Interlock SP - 20 ct - 82204Prophet River · $56.99 for 20
- $3.55 a roundHORNADY 300 WSM 165gr Interlock American Whitetail 20ctBartons Big Country · $71.00 for 20
- $3.70 a roundRemington - 300 WSM - 150 Gr - Tipped Core-Lokt - 20ct - 29043Prophet River · $73.99 for 20
The cheapest .300 WSM ammunition in stock at the Canadian retailers we track is $2.85 a round, at Prophet River, as of 2026-11-03. We track 60 .300 WSM listings across 5 retailers and show the cheapest below, in stock first.
.300 WSM prices by retailer, cheapest first
The table lists .300 WSM listings from the retailers we read, in stock first, then by cents per round. Over the last 21 days, the cheapest in-stock .300 WSM we recorded held at $2.85 a round.
| Listing | Retailer | Price | Per round | Stock |
|---|---|---|---|---|
| Hornady - 300 WSM - 165 Gr - American Whitetail - Interlock SP - 20 ct - 8220420 rounds · 165 gr · SP · checked | Prophet River | $56.99 | $2.85Lowest in 21 days | In stock |
| HORNADY 300 WSM 165gr Interlock American Whitetail 20ct20 rounds · 165 gr · checked | Bartons Big Country | $71.00 | $3.55 | In stock |
| Remington - 300 WSM - 150 Gr - Tipped Core-Lokt - 20ct - 2904320 rounds · 150 gr · checked | Prophet River | $73.99 | $3.70 | In stock |
| Remington - 300 WSM - 150 Gr - Express Core-Lokt - Pointed Soft Point - 20ct - 29489/R300WSM120 rounds · 150 gr · SP · checked | Prophet River | $74.99 | $3.75 | In stock |
| Remington Core-Lokt 300 WSM Rifle Ammo, 150gr PSPCL – 20Rds20 rounds · 150 gr · checked | Rangeview Sports | $76.00 | $3.80 | In stock |
| Federal Power·Shok 300 WSM Rifle Ammo, 180Gr SP 2980FPS – 20Rds20 rounds · 180 gr · SP · checked | Rangeview Sports | $76.00 | $3.80 | In stock |
| Federal Premium 300 WSM Rifle Ammo, 180gr Barnes TSX – 20Rds20 rounds · 180 gr · Monolithic/Lead-free · checked | Rangeview Sports | $77.20 | $3.86 | In stock |
| Federal Premium 300 WSM Rifle Ammo, 185Gr Berger Hybrid Hunter 2950FPS – 20Rds20 rounds · 185 gr · checked | Rangeview Sports | $78.00 | $3.90 | In stock |
| Federal - 300 WSM - 180 Gr - Fusion - Bonded Soft Point - 20ct - F300WSMFS220 rounds · 180 gr · SP · checked | Prophet River | $79.99 | $4.00 | In stock |
| Federal Berger Hybrid Hunter .300 WSM 185 Grain 2950 fps Box/2020 rounds · 185 gr · checked | Wolverine Supplies | $82.95 | $4.15 | In stock |
| Federal - 300 WSM - 180 Gr - Nosler Partition - 20ct - P300WSMB20 rounds · 180 gr · Bonded/Partition · checked | Prophet River | $88.99 | $4.45 | Not stated |
| Winchester Deer Season 300 WSM, 150gr Extreme Point Ammo – 20Rds20 rounds · 150 gr · checked | Rangeview Sports | $64.99 | $3.25 | Out of stock |
| Remington CORE -LOKT 300 Rem. Short Action Ultra Mag. – 20 Balles20 rounds · checked | Dante Sports | $73.95 | $3.70 | Out of stock |
| Hornady Precision Hunter 300 WSM Rifle Ammo, 200gr ELD-X – 20Rds20 rounds · 200 gr · Polymer tip · checked | Rangeview Sports | $83.98 | $4.20 | Out of stock |
Shipping notes for these retailers
- Dante Sports publishes free shipping over $500.00, but not on ammunition.
- Rangeview Sports publishes free shipping over $350.00, but not on ammunition.
.300 WSM loads and box sizes on offer
.300 WSM is listed here in boxes of 20 rounds. Bullet weights run from 150 to 200 grains. Projectile types listed: SP, Monolithic/Lead-free, Bonded/Partition, Polymer tip.
The prices above leave out shipping and any dangerous-goods fee. To see what a .300 WSM order really costs per round once those are added, try the ammo cost calculator.
What the .300 WSM is
The .300 WSM is a centrefire rifle cartridge with a 0.308-inch bullet and a 53.3 mm case. The full chamber and cartridge drawings are published by SAAMI and C.I.P.
To see how Hornady's 165 gr American Whitetail InterLock load drops and drifts out to 500 yards, open it in the ballistics calculator.
Not interchangeable with .300 Winchester Magnum, even though they share a bore size. We keep them as separate listings so a price is never matched to the wrong chamber.
Questions about .300 WSM ammo prices
What is the cheapest .300 WSM ammo in Canada right now?
On 2026-11-03, the lowest in-stock price we read was $2.85 a round: Hornady - 300 WSM - 165 Gr - American Whitetail - Interlock SP - 20 ct - 82204, at Prophet River, $56.99 for 20 rounds. Prices change without notice, so the retailer's page is the final word.
How many Canadian retailers sell .300 WSM?
5 of the 14 retailers we read on 2026-11-03 listed .300 WSM, and 4 had it in stock. We track 60 .300 WSM listings in total and show the cheapest of them here.
Compare other cartridges: .17 HMR, .22 Long Rifle, .223 Remington, .243 Winchester, .270 Winchester, .30-06 Springfield, .300 AAC Blackout, .300 Winchester Magnum, .303 British, .308 Winchester, .338 Lapua Magnum, .410 bore, .45 ACP, 12 gauge, 20 gauge, 6.5 Creedmoor, 7.62×39mm, 7mm Remington Magnum, 7mm-08 Remington, 9mm Luger. Or see every cartridge on one page, with filters.
Prices are what each retailer published when we read the page, and retailers change them without notice. This page compares prices only. What is lawful to hunt with, and where, is set by each province and territory; read the regulations for the place you hunt.