6 x 52 R Bretschneider Load Data & Reloading Guide
Also known as: 6x52R Bretschneider, 6×52mm R Bretschneider, 6mm Bretschneider
About 6 x 52 R Bretschneider
The 6 x 52 R Bretschneider is a niche European cartridge with roots in early 20th-century Germany, designed primarily for use in combination guns and break-action rifles. While not widely known outside specialist circles, this round has maintained a loyal following among hunters seeking a versatile mid-range option. The original intent behind its creation was to provide an effective cartridge for medium-sized game hunting in diverse European terrains, an objective it continues to fulfill today.
Technically, the 6 x 52 R features a rimmed case design that facilitates easy extraction in break-action firearms, a favored choice for hunters. The case length of 52 millimeters accommodates a variety of bullets with a typical diameter of 6 millimeters. Reloaders will find this cartridge accepts bullets generally ranging from 70 to 90 grains, allowing for flexibility depending on the intended game or shooting application. With an average muzzle velocity of around 2500 feet per second, it delivers respectable energy levels at common engagement distances for medium game.
Ballistically, the 6 x 52 R Bretschneider offers moderate recoil with satisfactory accuracy out to 200 yards. This performance makes it suitable for hunting game such as roe deer and smaller boars in European settings. Its ballistics allow for decisive knockdown power while maintaining manageable recoil in lightweight rifles, enhancing operator control during follow-up shots. Reloaders appreciate its balanced characteristics, which afford tactful bullet selection to fine-tune performance further based on specific needs.
For the reloader, the 6 x 52 R Bretschneider presents distinct advantages. The cartridge's rimmed design reduces the likelihood of misfeeds in break-action rifles, and its moderate pressure allows for case longevity with proper case care. The availability of diverse 6-millimeter bullets means reloaders can experiment with various powder and bullet combinations, optimizing for precision, energy conservation, or particular hunting conditions without excessive experimentation. This flexibility ensures that reloading this caliber can result in a tailored shooting experience that aligns closely with personal and situational requirements.
Technical Drawing

Technical Specifications
Start Calculating to Develop your own Load Data for 6 x 52 R Bretschneider
Use our professional ballistics calculator to develop safe and accurate load recipes for 6 x 52 R Bretschneider.
Start CalculatingStandard Load Data — 6 x 52 R Bretschneider
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.
.243 | 87gr | Hornady V-MAX
.243 | 90gr | Hasler Hunting
.243 | 95gr | ShellHouse Castings SP Hard Cast
.2425 | 90gr | Prvi Partizan SP
.243 | 90gr | Speer Deep Curl Soft Point
.243 | 85gr | Barnes TSX BT
.243 | 95gr | Nosler Partition
.243 | 85gr | Nosler Partition
.243 | 87gr | Hornady SP
.243 | 95gr | Berger Classic Hybrid Hunter
.243 | 85gr | MEN SPBT
.243 | 90gr | Berger BT Target
.243 | 90gr | Speer Hot-Cor
.243 | 90gr | Speer FMJ
.243 | 85gr | Sierra VarmintKing
.243 | 95gr | Rhino Solid Shank
.243 | 90gr | Reichenberg HDB Universal
.243 | 100gr | Hornady SP
.243 | 85gr | Peregrine VRG-3
.243 | 95gr | Norma FMJ
.243 | 96gr | Brenneke TOG
.243 | 90gr | Sierra FMJBT GameKing
.243 | 88gr | Berger Varmint
.243 | 105gr | Geco SOFTPOINT
Frequently Asked Questions
The maximum pressure for 6 x 52 R Bretschneider is 47,863 psi | 3,300 bar.
6 x 52 R Bretschneider typically uses a Large Rifle (LR) primer.
The case capacity of 6 x 52 R Bretschneider is approximately 36.2 grains of water (H₂O).