Lapua Rifle Ammo 338 Magnum 250Gr Lock Base Fmjbt Bx/10
Lapua rifle ammo in 338 Magnum with a 250-grain Lock Base FMJBT projectile is engineered for shooters who demand precision and reliability at distance. This ammunition combines Lapua's legendary quality control with a full metal jacket boat tail design, making it a solid choice for long-range hunting, target work, and field shooting where consistent performance matters. Each box contains 10 rounds of ammunition built to exacting specifications.
The 250-grain bullet weight strikes a balance between velocity and energy retention, characteristics that appeal to hunters and precision shooters working with 338 Magnum rifles. The Lock Base design and boat tail configuration contribute to downrange stability and consistent trajectory. Lapua's manufacturing reputation—built on decades of brass and component production—extends to their finished ammunition, so you're getting rounds built by folks who understand what precision shooters and hunters actually need.
Whether you're zeroing a new rifle, developing loads for a match, or preparing for a hunt where shot placement matters, this ammunition delivers the kind of consistency that lets you focus on marksmanship rather than worrying about your rounds. Ten rounds per box keeps you stocked without excess for testing and practice.
Key Features
- 250-grain Lock Base FMJBT projectile for consistent ballistics and performance
- Full metal jacket boat tail design for downrange stability
- Built to Lapua's exacting quality standards
- 10 rounds per box
Specifications
| Brand | Lapua |
| Caliber | 338 Magnum |
| Bullet Weight | 250 grains |
| Bullet Type | Full Metal Jacket Boat Tail (FMJBT) |
| Bullet Design | Lock Base |
| Rounds Per Box | 10 |
Frequently Asked Questions
What rifles will fire this Lapua 338 Magnum ammunition?
This ammunition is chambered for rifles in 338 Magnum. Always verify your rifle's exact chamber marking before loading—338 Magnum is distinct from other 338 cartridges. Consult your rifle's manual or manufacturer if you have any doubt about compatibility.
Is this ammo suitable for hunting?
The 250-grain FMJBT projectile is designed for general rifle shooting and target work. For hunting applications, verify that both your jurisdiction and rifle are legal for your intended game, and consider whether a hunting-specific bullet design better suits your needs.
What does the Lock Base design do?
The Lock Base is a bullet construction feature that contributes to consistent performance and stability. Lapua uses this design across their ammunition line to enhance reliability and downrange ballistics.
How many rounds come in a box?
Each box contains 10 rounds of Lapua 338 Magnum ammunition.

