Lapua Unprimed Brass Rifle Cartridge Cases 300 Win Mag 100/ct
$196.86
Lapua Reloading Rifle Brass .300 Winchester Magnum (100/ct).
Caliber: .300 Winchester Magnum. Suitable for target shooting, hunting, and military/militia applications.
29 in stock
The .300 Winchester Magnum has been a staple within the firearms industry widely used by hunters target shooters military and law enforcement agencies around the globe since its development in the early 60’s. It is still used for competitive target shooting hunting and Mil/LE platforms to-date. It delivers excellent long range performance with a wide range of bullet weights from 165 to 200 grains and more. The .300 Winchester Magnum has a great reputation as a .30 caliber magnum hunting cartridge in Europe and North America and it is a superb choice in open and large hunting fields for long distance hunting of mid-to-large sized game with bullet weights exceeding 158 grams / 245 grains. The .300 Win. Mag case is a great addition to our line especially with the huge bullet selection available for sport shooting and hunting for this caliber and all major rifle manufacturers chamber their rifles for it.
Lapua’s .300 Winchester Magnum case takes the Large Rifle Primer (LRP). It will be available in the new cardboard 100 pcs Lapua brass box. The brand new case box has been designed to keep Lapua brass in pristine condition during shipping ensuring that your reloading experience is on the best level.
| Weight | 4.140 lbs |
|---|---|
| Dimensions | 7.750 × 7.250 × 3.000 in |
| Manufacturer | Lapua Ammunition |
| Caliber | .300 Winchester Magnum |
| Bullet Weight | 165 to 200 grains |
| Rounds Per Box | 100 |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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