Underwood 338 Lapua Magnum 300 gr HPBT ammunition provides a heavy, long-range projectile intended for precision shooting and hunting. The rounds are new-production, non-corrosive, boxer-primed and loaded in reloadable brass cases suitable for handloaders. Listed muzzle velocity for this load is 2700 feet per second and each retail box contains 10 loaded rounds.
Packaging
Box: Sold per box with 10 loaded rounds. Case: Available by case with 10 boxes per case; ordering the required number of boxes achieves a case quantity (100 rounds).
Key Specifications
- Caliber is .338 Lapua Magnum.
- Bullet weight is 300 grains.
- Bullet type is Jacketed Hollow Point Boat Tail (HPBT).
- Muzzle velocity is 2700 feet per second.
- Muzzle energy is 4857 ft lbs.
- Ballistic coefficient (G1) is 0.8.
- Sectional density (SD) is 0.375136924977617.
- Case type is Brass, boxer-primed, reloadable.
- Rounds per box are 10.
- Boxes per case are 10.
This Underwood load pairs a heavy 300-grain HPBT projectile with reloadable brass for consistent external ballistics and handloading flexibility. It is specified for long-range performance and field use where retained energy and ballistic consistency are priorities.
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