What Caliber Ammunition Does an Feg 37 Use

Patrick Vega
By Patrick Vega
8 Min Read

When it comes to classic firearms, few models exude the same charm and historical significance as the FÉG 37. Whether you’re a firearm enthusiast, hobby shooter, or military history buff, unraveling the specifics of this legendary pistol is both fascinating and essential for understanding its place in the world of firearms.

The FÉG 37, a Hungarian-made semi-automatic pistol, has captured the interest of shooters and collectors alike, particularly due to its unique design and wartime legacy. A key point of curiosity for many is its ammunition type. What caliber round does this piece of history rely on? Let’s take a deep dive into understanding this iconic firearm and its caliber compatibility.

What Is the FÉG 37?

Before we explore the ammunition details, let’s get to know the FÉG 37 a bit better. Originally designed and manufactured in Hungary by Fegyver és Gépgyár (FÉG) during the 1930s and 1940s, the FÉG 37 stands out as a prime example of finely engineered military sidearms of its era.

The pistol was primarily adopted by the Hungarian military but also gained attention from the German Wehrmacht during World War II. The simplicity of its blowback design, reliability, and ergonomic features made it an impressive standard-issue firearm for its time.

While collectors may encounter slight variations in the FÉG 37 depending on the production year or country of use, the ammunition type remains a defining aspect of its functionality.

The Caliber of the FÉG 37

The standard caliber for the FÉG 37 is .380 ACP, also known as 9mm Kurz or 9x17mm Browning Short. This round is well-known among firearms enthusiasts for its manageable recoil, which contributes to its popularity in compact pistols.

However, here’s where it gets interesting for military history buffs—German-issued versions of the FÉG 37 were often chambered for 9mm Parabellum (9x19mm). The 9mm Parabellum, known for its robust performance, differs in size and power from the .380 ACP, making these German variants particularly sought after among modern-day collectors.

Key Differences Between .380 ACP and 9mm Parabellum

While both are 9mm rounds, there are notable differences between the two in terms of size, power, and usage, making it crucial to know which version of the FÉG 37 you own before purchasing ammunition.

.380 ACP (9mm Kurz) Features:

  • Cartridge Length: 17mm
  • Power: Offers moderate stopping power with reduced recoil, making it ideal for compact pistols.
  • Usage: Great for self-defense and target shooting.

9mm Parabellum Features:

  • Cartridge Length: 19mm
  • Power: Higher velocity and energy, providing increased stopping power.
  • Usage: Widely used in military and law enforcement applications.

If you own a German-marked FÉG 37, be sure to confirm if it requires 9mm Parabellum rounds, as using incorrect ammunition can lead to safety issues and potential damage to the firearm.

Why the FÉG 37’s Ammunition Matters

The caliber selection isn’t just a matter of technical detail—it can also reveal a lot about the gun’s history. Understanding whether your FÉG 37 takes .380 ACP or 9mm Parabellum offers insight into how and where your pistol might have been used.

For example:

  • Hungarian military-issue FÉG 37s predominantly used .380 ACP.
  • German-issued FÉG 37s, identified by the “Pistole 37(u)**” markings, were often modified to chamber 9mm Parabellum.

This distinction tells a story of cross-border collaboration during World War II and underscores how necessity drove key engineering decisions in wartime.

Tips for Choosing the Right Ammunition

1. Identify Your FÉG 37 Model

Start by closely inspecting your firearm for manufacturer marks, year of production, and any specific caliber stamps. This will often provide clear guidance on whether your pistol is chambered for .380 ACP or 9mm Parabellum.

2. Consult an Expert

If you’re unsure, it’s always a good idea to consult a qualified gunsmith or knowledgeable firearms dealer. They can confirm your firearm’s specifications and ensure you’re using the correct ammunition.

3. Stick to High-Quality Ammo

To preserve the longevity of your FÉG 37, always choose ammunition from reputable brands. Cheap, poorly manufactured rounds can cause excessive wear on your firearm or lead to functional issues.

4. Test Responsibly

When you’re ready to fire your FÉG 37, start by testing it at an approved firing range. Carefully evaluate how your chosen ammunition cycles through the firearm and look for any signs of improper performance.

Caring for Your FÉG 37

Maintaining your FÉG 37 properly is vital, especially if you’re using it for shooting rather than simply displaying it as part of a collection. Regular cleaning, lubrication, and proper storage will help keep your firearm in peak condition and ensure safe, reliable operation for years to come.

A few maintenance tips to keep in mind:

  • Clean the bore every time you shoot, especially when firing corrosive surplus ammunition.
  • Store your ammunition in a cool, dry place to prevent degradation.
  • Use a quality gun oil to lubricate moving parts and minimize wear.

Why Firearms Enthusiasts Love the FÉG 37

Owning a FÉG 37 is like holding a piece of history in your hands. Its sleek design, combined with the craftsmanship and historical significance, makes it a standout among collectors and shooters. Whether you’re marveling at its intricacy or using it at the range, this pistol delivers an unparalleled sense of connection to the past.

For military history buffs, the variations in ammunition and usage tell a fascinating story about the FÉG 37’s role during World War II. For hobby shooters, its manageable recoil and reliable performance make it a joy to shoot.

Unlock More about Firearms and Shooting

Understanding the correct caliber for a firearm as iconic as the FÉG 37 ensures not only safety but also optimal performance. It’s this attention to detail that sets knowledgeable gun owners apart.

Want to learn more about firearms and their history? Join the conversation by connecting with us or exploring our other guides aimed at enthusiasts like you. Knowledge is power, and in this case, it’s also your ticket to making the most of your shooting experience.

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