Description
Berger's .338 Norma Magnum offering brings match-grade precision ammunition to the growing shooter base working with this cartridge. The 300-grain Hybrid OTM projectile was engineered specifically for long-range accuracy and performance in extended engagements, making these rounds suitable for competition work and tactical applications. Each round delivers 2725 fps from a 26-inch barrel, giving you the velocity window needed for optimal ballistic performance downrange.
What Makes the Berger OTM Tactical .338 Norma Different
The standout feature here is the Hybrid OTM bullet design. Unlike purely tangent or secant ogive designs, Berger's Hybrid blends both shapes into one efficient profile. The bearing surface starts as a tangent ogive for easy tuning, then transitions to a secant design that flattens your trajectory and cuts wind drift. This dual-profile approach keeps you accurate without fussy seating depth sensitivity. The 300-grain weight carries a high ballistic coefficient (0.822 G1), meaning energy retention and wind deflection are handled better than lighter options.
Premium Construction for Consistent Shooting
Each cartridge is built with components that minimize variation. The ammunition uses premium Lapua brass, temperature-stable powder, and match-grade primers, so you get predictable performance regardless of temperature swings or altitude changes. The bullet itself features Berger's renowned J4 Precision Jacket, which holds tolerances to plus or minus 0.0003 inches. That kind of concentricity directly translates to tighter groups and less dispersion at range. You won't need to hand-sort these rounds by weight; Berger's manufacturing process ensures consistency across the box.
Designed for .338 Norma Performance
The .338 Norma Magnum fills a practical niche for precision rifles. It delivers .338 Lapua ballistic performance in a package that fits standard long-action receivers, making it more accessible than its larger cousin. At 2725 fps, these rounds are optimized for the efficiency the cartridge was designed for. Whether you're chasing long-range competition records or running precision drills past 1000 yards, this ammunition gives you the reliability and accuracy foundation to perform.
Key Specifications
- Caliber: .338 Norma Magnum
- Bullet Weight: 300 Grains
- Bullet Type: Hybrid OTM (Open Tip Match) Tactical
- Muzzle Velocity: 2725 fps
- G1 Ballistic Coefficient: 0.822
- G7 Ballistic Coefficient: 0.421
- Rounds Per Box: 20
- Case Material: Brass (Lapua)
- Primer Type: Match Grade Large Rifle Magnum
- Base Style: Boat Tail
- UPC: 679459850100
- Manufacturer: Berger Bullets
- Manufacturer Part Number: 85010
What’s Included
- 20 rounds of .338 Norma Magnum ammunition
- Berger 300-grain Hybrid OTM bullets
- Premium Lapua brass cases
- Match-grade primers
- Temperature-stable powder
Frequently Asked Questions
What's the difference between OTM and hunting bullets?
OTM (Open Tip Match) bullets are designed specifically for precision target work and feature a hollow cavity optimized for consistency rather than expansion. These Berger OTM rounds maintain tighter velocity spreads and BC values for match-level accuracy. They're built with thicker jackets to handle the rigorous demands of tactical competition and precision shooting, whereas hunting bullets prioritize controlled expansion for game.
Can I reload these .338 Norma Mag casings?
Yes, the premium Lapua brass is designed for reloading and can typically handle multiple reloads when properly maintained. Inspect for cracks or excessive wear before each reload, and follow safe reloading practices for large rifle magnum loads. The consistent quality of factory brass also means your handloads will be more uniform than if you mixed cases from different sources.
How does the Hybrid OTM design improve accuracy?
The Hybrid ogive blends tangent and secant nose shapes, delivering a flatter trajectory and less wind drift than purely tangent designs while maintaining the tuning ease of that shape near the bearing surface. This reduces seating depth sensitivity, so your loads stay accurate even if you have minor variations in how rounds are seated. The boat tail base adds additional aerodynamic efficiency at extended ranges.
What barrel twist rate do I need for these rounds?
Berger recommends a 1:10 inch twist or faster for optimal performance with these 300-grain bullets. Check your rifle's specifications or contact the manufacturer if you're unsure of your barrel's twist rate, as insufficient twist can lead to keyholing and accuracy loss downrange.




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