Description
This Sellier & Bellot match offering uses Sierra MatchKing bullets, which have a reputation for winning more target competitions than all other match bullets combined. The 300-grain hollow point boat tail design delivers the ballistic performance and consistency that serious long-range competitors expect. Each round comes loaded to 2713 fps with approximately 4903 ft-lbs of muzzle energy.
What Makes This .338 Lapua Match Load Different
The Sierra MatchKing projectile has very thin jackets held to exacting tolerances in both diameter and weight. The small meplat (flat tip) on the hollow point design produces a higher ballistic coefficient, reducing drag and maintaining velocity downrange. This matters when you're stretching shots past 500 yards. The boat tail configuration also stabilizes the round through the air, which is critical for repeatable accuracy at distance.
Building Around Quality Components
You get reloadable brass cases with boxer primers, so if you're into hand-loading, this ammunition pays for itself over time. The brass is new production, non-corrosive, and manufactured to CIP specifications. Quality control is consistent across the board, which is why you get the same zero and point of impact from box to box.
Built for Range and Competition
This ammunition is clearly designed for target shooting and match applications where external ballistics matter. The combination of the match-grade bullet, documented velocity figures, and tight manufacturing tolerances makes this a solid choice if you're working up handloads or just want factory ammunition that shoots like handloads.
Key Specifications
- Caliber: .338 Lapua Magnum
- Bullet Weight: 300 grains
- Bullet Type: Sierra MatchKing Hollow Point Boat Tail (HPBT)
- Muzzle Velocity: 2713 fps
- Muzzle Energy: 4903 ft-lbs
- Case Material: Brass, boxer primed, reloadable
- Rounds per Box: 10
- Rounds per Case: 100 (10 boxes)
- Primer Type: Boxer, non-corrosive
- Manufacturer: Sellier & Bellot
- Model/Part Number: SB338LMB
- UPC: 754908512157
- Intended Use: Match, target shooting, long-range precision
- Specifications Standard: CIP specifications
What’s Included
- 10 rounds of .338 Lapua Magnum ammunition
- Cardboard box
Frequently Asked Questions
What makes Sierra MatchKing bullets so accurate?
Sierra MatchKing bullets are held to tighter tolerances in diameter and weight than standard bullets, and they feature very thin jackets with a small meplat that creates a higher ballistic coefficient. These design features reduce drag and provide the consistency needed for precision shooting. They've been used to win more target competitions than any other match bullet.
Can I reload these brass cases?
Yes. Sellier & Bellot uses quality brass with boxer primers specifically designed for reloading. Many competitors and handloaders prefer this ammunition for the brass alone, since it extends the cost-per-shot value significantly over time.
Is this ammunition suitable for hunting, or is it competition-only?
While this is match-grade ammunition optimized for precision and consistency, the 300-grain bullet and high velocity make it capable for long-range hunting as well. That said, it's engineered first and foremost for target shooting and competition where repeatability is the priority.
How does the 300-grain compare to lighter loads in the same caliber?
The 300-grain load delivers more downrange energy and better stability in wind at extreme distances, but travels slightly slower than lighter bullets like the 250-grain option. For target and competition shooting, the heavier bullet is generally preferred for consistency at longer ranges where wind matters more.








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