Description
When Berger set out to build a 7mm bullet good enough for the national stage, they didn't do it alone. This 184-grain F-Open Hybrid was developed hand-in-hand with the U.S. F-Open Rifle Team and designed by ballistician Bryan Litz, who made it slightly heavier, slightly longer, and gave it a more aggressive ogive than the older 180gr Hybrid. The result is a projectile with a 0.695 G1 and 0.356 G7 ballistic coefficient, meaning it holds velocity and bucks wind better than the designs that came before it. It earned its place as the official 7mm bullet of the U.S. F-Open team after extensive on-target testing.
What the Hybrid Ogive Does for You
The hybrid nose is the secret here. It starts out as a secant ogive up front to give you that high BC, then transitions into a tangent shape as it meets the bearing surface. That tangent section is what makes this bullet so much easier to live with at the loading bench. You get VLD-level efficiency without the fussy seating-depth sensitivity, so load development is quicker and your groups stay tight even if your seating depth drifts a hair.
Match-Grade Build on the 184gr F-Open
Every one of these runs Berger's J4 Target Jacket, which is about as concentric a jacket as you'll find in a production bullet. That precision is what keeps vertical dispersion down and groups small at distance. The bullet measures 0.284 diameter with a 1.575 overall length, a boat tail base, and a 0.326 sectional density. Berger lists a minimum twist of 1:9 or faster to keep it stable, so most modern 7mm match barrels will stabilize it just fine.
Cartridges That Love This Bullet
This one is right at home in the popular 7mm chamberings used across F-Open and long-range competition. It's a great fit for the 7mm-08 Rem, .284 Win, 7mm SAUM, 7mm RUM, and 7mm Rem Mag, among other 7mm cartridges. Whether you're chasing X-ring hits at 1,000 yards or just want a serious long-range component for your reloads, this is a proven performer.
Key Specifications
- Manufacturer: Berger Bullets
- Manufacturer Part Number: 28408
- UPC: 679459284080
- Caliber: 7mm (.284 Diameter)
- Bullet Weight: 184 Grain
- Product Line: F-Open Hybrid Target
- Ogive Style: Hybrid
- Base Style: Boat Tail
- Jacket: J4 Target Jacket
- G1 BC: 0.695
- G7 BC: 0.356
- Sectional Density: 0.326
- Overall Length: 1.575 in
- Minimum Twist Rate: 1:9 or faster
- Cannelure: No
- Quantity: 100 Per Box
What’s Included
- 100 Berger 7mm 184gr F-Open Hybrid Target bullets (projectiles only, not loaded ammunition)
Frequently Asked Questions
What twist rate do I need for the Berger 7mm 184gr F-Open Hybrid?
Berger lists a minimum twist rate of 1:9 or faster to properly stabilize this bullet. Most modern 7mm match barrels are cut around 1:8 to 1:9, so they'll handle it without issue. If you're running a slower factory twist, double check your barrel before loading up a big batch.
Which cartridges work well with this 184gr F-Open bullet?
It's a strong match for the common 7mm long-range chamberings. Berger recommends it for the 7mm-08 Rem, .284 Win, 7mm SAUM, 7mm RUM, and 7mm Rem Mag, along with other 7mm cartridges. It was built with F-Open competition in mind but works great in any accuracy-focused 7mm load.
Is this bullet hard to tune for seating depth?
The hybrid ogive is specifically designed to be forgiving. It blends a secant nose for high BC with a tangent section near the bearing surface, which makes it far less sensitive to seating depth than a traditional VLD. That means quicker load development and more consistent accuracy even if your seating depth varies slightly.
Are these loaded rounds or just bullets?
These are component bullets only, meant for handloading. You'll need brass, powder, and primers to build a complete cartridge. The box contains 100 projectiles ready to be seated into your own loads.








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