7 x 33 Sako Load Data & Reloading Guide
Also known as: 7x33 Sako, 7×33mm Sako, 7mm Sako
About 7 x 33 Sako
The 7 x 33 Sako cartridge was developed in Finland in the late 1940s by the firearms manufacturer Sako. Originally intended for use in hunting small to medium game, this caliber was designed during a time when Finland sought to produce effective and versatile ammunition for both civilian and military applications. The cartridge gained a reputation for its adaptability in densely forested hunting environments, especially for species like capercaillie and grouse.
Technically, the 7 x 33 Sako is a bottlenecked centerfire cartridge that generally uses a bullet diameter of 0.284 inches (7.2 mm) and a case length of 33 mm. This caliber is known for its relatively moderate powder capacity compared to other rifle cartridges, providing a balanced combination of speed and manageability. Typical bullet weights for this caliber range from 70 to 90 grains. Despite its compact size, it achieves muzzle velocities in the range of 2400 feet per second, offering respectable accuracy and sufficient energy transfer for its intended range and game.
Ballistically, the 7 x 33 Sako offers efficient performance at close to moderate ranges, making it ideal for hunters targeting game within 100 to 150 yards. The straight trajectory and effective stopping power contribute to its popularity in hunting small game and varmints. For reloaders, this caliber presents significant advantages such as flexibility in bullet selection and customization of loads for specific hunting or sport shooting needs. Its moderate recoil makes it favorable for shooters seeking manageable performance without excessive wear on firearms, ensuring longer lifespan and reliability.
The 7 x 33 Sako remains a niche caliber, appreciated by dedicated hunters and sport shooters who value its balance of performance, history, and adaptability. Reloaders can fine-tune the ammunition to optimize performance for specific rifles or shooting situations, leveraging the caliber's inherent versatility to meet individual preferences or challenging hunting conditions.
Technical Drawing

Technical Specifications
Start Calculating to Develop your own Load Data for 7 x 33 Sako
Use our professional ballistics calculator to develop safe and accurate load recipes for 7 x 33 Sako.
Start CalculatingStandard Load Data — 7 x 33 Sako
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.
.284 | 130gr | Speer FN
.284 | 110gr | Norma Soft Point
.284 | 108gr | Reichenberg Spezial Jagd
.284 | 105gr | AERO ECO,- smax:11.10
.284 | 120gr | Sierra Pro-Hunter
.284 | 100gr | Sierra VarmintKing
.284 | 100gr | Barnes X S
.284 | 100gr | H&N RN HS
.284 | 120gr | Nosler FN
.284 | 115gr | Speer Hollow Point
Frequently Asked Questions
The maximum pressure for 7 x 33 Sako is 40,611 psi | 2,800 bar.
7 x 33 Sako typically uses a Small Rifle (SR) primer.
The case capacity of 7 x 33 Sako is approximately 23 grains of water (H₂O).