The 7mm Penna caliber, also known as the 7×23mm, is a handgun cartridge designed by Leonardo Penna for law enforcement applications. It has a novel design that allows it to have similar performance to 9mm cartridges while being able to fit 14 rounds into a single stack 1911. This makes it an ideal choice for those looking for more firepower in a smaller package.<br><br>The 7mm Penna was first developed in Italy and has since gained notoriety in the mid-2000s due to its high velocity and small caliber chambering. It is now available in several pistol models, including the STI Nemisis and QS Penna PWS M7 Tactical Rifle.<br><br>The 7mm Penna is an excellent choice for those looking for a powerful yet compact handgun cartridge. Its unique design allows it to pack more punch than other calibers of its size, making it ideal for self-defense or hunting applications. With its increased capacity and accuracy, the 7mm Penna is sure to be a popular choice among shooters everywhere.<br><br>
Caliber Statistics
Standard / Datasheet
Primer Size
Small Pistol (SP)
Max. Case Length
11.5 Grains of Water
Bullet / Barrel Diameter
0.277'' | 7.04 mm
Max. Case Length
0.984'' | 24.99 mm
Max. Cartridge Length / OAL
1.358'' | 34.49 mm
Max. Standardized Pressure:
36260 psi | 2500 bar
XXL ID
CID_1045
- Bullet Weight (gr) ->0-5050-7575-100100-150150-200200-300>300
The following table indicates for this caliber and various bullet weight ranges (in grains) which powders are suitable (👍) and popular among our reloading community (👍👍). This might evolve over time as more community members share their loads and as we accumulate more calculations and tests with our balistics calculator.
Weight vs. Velocity - Suitable Bullets for this Caliber
You need to get an access license to view this chart. See an example with the following caliber: .22 Nosler
Barrel Length Variation vs. Velocity - by Bullet Weight
7 mm Penna load data available is with the following bullets:
(most popular first)
