Russian soldier with MP5

Imitation is Flattery: MP5 Clones, Part 1

In the 1970s, Heckler & Koch began licensing companies worldwide to produce various models of its legendary roller-delayed blowback firearms: MP5, G3, HK33, HK21 and others. In addition to manufacturing these guns for their host-country military and police forces, most licensees also have or at least had a healthy export business. Examples include POF in

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Diagram of 9mm bullets

The History of the 9×19, Part 1

The 9×19 is the most popular handgun cartridge of our era, serving military, law enforcement, and civilians worldwide. And unlike other handgun cartridges of the same general time period, such as the .38 Special and the .45 ACP, the 9×19 — officially 9x19mm Parabellum, 9mm Luger, or 9 mm NATO (I will explain each of

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SAS patch

The SAS

Although the British SAS, or Special Air Service, was not the first unit to adopt the MP5, it can certainly lay claim to being the unit that made the MP5 internationally famous. The SAS enjoys notoriety in the modern world for its counterterrorism exploits, but it also has just about the longest and most contiguous

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Gunsmith with drill

The Zenith Custom Shop

Roller-delayed blowback firearms are legendary for their quality, endurance, reliability, and accuracy. Quite honestly, they have few rivals. But in a world dominated by plug-and-play AR-15s, the undersupported and more mechanically complex roller-delayed system can be intimidating. Where can you turn if you want to clean up the trigger on your ZF-5 or MP5? And

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Black and white photo of a man, a horse and a G3

The HK Licensees: The True Right Arm of the Free World? PART 1

The FN FAL is often referred to as “The Right Arm of the Free World.” If one examines the NATO table of organization and equipment from the 1950s through the 1990s, this title seems difficult to dispute on the surface. However, the Heckler and Koch G3, and its more ubiquitous little brother, the MP5, can

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Mikhail Kalashnikov holding a AK47

The Soviets – Early Post War Rifles: Cold War Small Arms, Installment 2

The Soviet experience during World War II differed greatly from that of the United States. Whereas the U.S. suffered virtually no direct attack on its soil (save for a few Japanese balloon bombs and one or two long range ship-based planes), the Soviet Union was ravaged by Germany, Hungary, Romania, Italy, and Bulgaria. After decidedly

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Welcome to Vegas sign

A Shot Show Story

So, gunslinger, you finally got your pass to SHOT. You have arrived. You are now the envy of all your friends — headed as you are to Vegas for a week of guns, gear, 24-hour casinos, and cheap buffets. You book a room at a grossly inflated price, and scope out some good chow on

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Disassembled STG45

The G3: More Notorious Ancestors

The MG 42 is perhaps the most infamous general-purpose machine gun in existence. While the Maxim and Vickers guns have been around longer, the MG 42 and its immediate predecessor, the MG 34, changed the way machine guns were made. The new general-purpose machine guns were sleeker, lighter, and much more ergonomic than the clunky,

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German special forces around a Mercedes with a MP5SD

The MP5 and the Elite

Few guns in existence owe their fame to the units that used them. The Thompson submachine gun, for instance, is among the most iconic guns ever produced, as are the Luger P08, various models of Winchester lever-action rifle, the M1911 pistol and the Mauser model 98. While each of those guns was employed by one

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Black and white photo of a man aiming a MP44

Background to the G3, Installment 1

The roller-delayed and roller-locked firearms produced from the Cold War to the present, and used by NATO and countless combatants around the world, have their origins in World War II. Under the Nazis, engineers had a field day producing everything from the first operational fleet of jet-powered bombers and fighters, to the rockets that would

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MP5 headline in lights on a movie theater sign

The MP5 in the Movies

If you’re like us at Zenith, you too are an irritating person to watch firearm-rich action movies with. You probably point out everything from chronological problems, to poor trigger discipline, to those endless magazines we all wish we had. And since you’re reading this particular blog, we’re going to assume you are also a true

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Black and white photo of men in a fox hole with a garand

East Versus West: Cold War Small Arms, Installment 1

This is the first in a series of installments focused on the history of the roller-delayed platform. Following World War II, there was one clear superpower, the United States. In short order, the Soviet Union would rise to superpower status mostly as a result of pillaging occupied Eastern Europe to rebuild its devastated infrastructure, and

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