6.5 x 64 Brenneke Load Data & Reloading Guide
Also known as: 6.5x64 Brenneke, 6.5×64mm Brenneke, 6.5mm Brenneke
About 6.5 x 64 Brenneke
The 6.5 x 64 Brenneke cartridge was developed in the mid-20th century by Wilhelm Brenneke, a well-known German cartridge designer. Introduced in 1955, it was designed primarily for European big game hunting and aimed to provide exceptional long-range accuracy and performance. The 6.5 x 64 Brenneke was conceived around the need for a powerful yet versatile cartridge capable of handling a wide range of game, from deer to larger species like moose and boar, while offering the flatter trajectory associated with 6.5mm projectiles.
Technically, the 6.5 x 64 Brenneke features a rimless, bottleneck case with a relatively long length of 64mm. This allows the cartridge to house more powder, providing increased velocity and better ballistic performance compared to many other 6.5mm rounds available during its time. Savvy reloaders will appreciate that the cartridge operates at relatively high pressures, making it capable of pushing bullets at velocities exceeding 3100 feet per second, depending on the load and bullet weight. Standard bullet weights for reloading the 6.5 x 64 Brenneke range from 120 to 140 grains, offering a balance between velocity, energy, and penetration.
Ballistically, the 6.5 x 64 Brenneke delivers impressive performance at long ranges. Its flat trajectory and high ballistic coefficient make it a favorite for those engaged in precision shooting and hunting in open terrains. Hunters appreciate its ability to maintain energy and accuracy at extended distances, effectively taking down large game with well-placed shots. In the hands of experienced reloaders, it can be fine-tuned for target shooting and long-range competitions, benefiting from the wide selection of 6.5mm bullets available on the market.
For reloaders, the 6.5 x 64 Brenneke offers several advantages. Its relatively long case provides significant flexibility in choosing different powders and experimenting with varied loads. Reloaders can fine-tune their cartridges to achieve optimal performance for different applications, whether seeking maximum velocity, minimal recoil, or specific energy transfer. Due to its niche status, commercial ammunition can sometimes be scarce, making reloading an attractive option for ensuring consistency and availability while potentially reducing costs. Overall, the 6.5 x 64 Brenneke remains a highly regarded choice among those who appreciate its historical significance and capabilities.
Technical Drawing

Technical Specifications
Start Calculating to Develop your own Load Data for 6.5 x 64 Brenneke
Use our professional ballistics calculator to develop safe and accurate load recipes for 6.5 x 64 Brenneke.
Start CalculatingStandard Load Data — 6.5 x 64 Brenneke
Select your desired cartridge and bullet weight below to access the corresponding load table. From there, you can choose any listed load recipe and transfer it directly into the ballistics calculator for further refinement, optimization, and precision tuning.
.264 | 100gr | Barnes TAC-TX BT
.264 | 87gr | IBEX TRD
.264 | 140gr | Hornady SST
.264 | 85gr | Hammer Hunter
.264 | 93gr | RWS Speed Tip Professional
.264 | 121gr | SUS-TAC LRT
.264 | 123gr | Fox Classic Hunter
.264 | 120gr | AERO SOLR,- smax:20.30
.264 | 120gr | Barnes TAC-TX BT
.264 | 100gr | Fox Classic Hunter
.264 | 85gr | AERO SB,- smax:12.85
.264 | 120gr | Ferrobull Entox Sport
.264 | 120gr | Frontier PH HPBT
.264 | 120gr | Ferrobull Tripple Expand Jagd
.264 | 124gr | Hammer Hunter
.263 | 139gr | Prvi Partizan SP BT
.264 | 120gr | Sierra Pro-Hunter
.264 | 144gr | Lapua MaxRange Target OTM
.264 | 140gr | Sellier & Bellot SP
.264 | 140gr | Remington PSP Core-Lokt
.264 | 153gr | Hornady A-Tip Match
.264 | 128gr | TWENTY-NINE ERTP
.264 | 123gr | Apex Outdoors Afterburner
.261 | 91gr | Sax KJG-SR
Frequently Asked Questions
The maximum pressure for 6.5 x 64 Brenneke is 62,366 psi | 4,300 bar.
6.5 x 64 Brenneke typically uses a Large Rifle (LR) primer.
The case capacity of 6.5 x 64 Brenneke is approximately 67 grains of water (H₂O).