Heckler & Koch MP5

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The History of Heckler & Koch

Heckler & Koch was founded in 1948 by Edmund Heckler, Theodor Koch, and Alex Seidel, former Mauser engineers who salvaged materials from the old Mauser arms factory in Oberndorf to start a machine tool plant called the Engineering Office Heckler & Co. The brand was officially registered as Heckler & Koch GmbH in 1949 and initially produced replacement parts and tools for household items and bicycles while also manufacturing firearms.

In 1956, H&K submitted the G3 battle rifle proposal to the German Federal Army, which was based on the Spanish CETME rifle. The G3 was declared the standard rifle of the Bundeswehr in 1959. Over the years, H&K developed various firearms often used by armed forces, such as the HK21 machine gun (1961), MP5 submachine gun (1969), and HK33 assault rifle (1971).

In 1974, the company expanded its product line to include the production of firearms for hunting and sports. H&K was sold to British Aerospace's Royal Ordnance division in 1991, and in the 90s, was awarded contracts to produce updated versions of firearms for Bundeswehr and the US government.

In 2004, H&K won a significant contract for handguns from the US Department of Homeland Security. However, the company has faced allegations of selling small arms to conflict zones and licensing production to governments with poor human rights records, such as Sudan, Thailand, and Myanmar. It has also been suggested that the company found ways to bypass EU export restrictions when its licensed manufacturers sold HK weapons to the areas of conflict.

Throughout the years, Heckler & Koch has presented numerous firearms both for civilian and non-civilian use: from pistols, shotguns, rifles, and machine guns to grenade launchers. Some of the most popular models include the HK A2, HK 416 rifles, the HK P7, P8 and P9 pistols, the HK FP6 shotgun, the civilian use rifles HK 270, HK 630, HK 940, HK SLB 2000, and many others.

In 2019, a Luxembourg-based holding company, Compagnie de Développement de l’Eau (CDE), acquired a controlling stake in Heckler & Koch AG, after being a shareholder for several years. Today, Heckler & Koch's headquarters are still located in Oberndorf in southwest Germany, where they continue to produce a range of firearms for military and law enforcement, as well as weapons for civilian use.

H&K MP5 Rifle Review

The H&K MP5 submachine gun was developed in the 1960s and has become a popular choice for military, law enforcement, and security organizations worldwide. It operates using selective fire and a delayed blowback system and features a fixed, free-floating, cold hammer-forged barrel. There are many clones of the original MP5 design, and it is produced under license in various countries.

The MP5 uses slightly curved, steel magazines with a 15-round capacity, which replaced the double-column straight box magazines used in earlier models. The rear sight is a rotating diopter drum, and the front sight is installed in a hooded ring. The diopter drum is adjustable for both windage and elevation. The MP5 features a three-position fire mode selector, located on the left side of the receiver, which controls the firing mode of the weapon. The selector is mechanically linked to the trigger mechanism, allowing the shooter to choose between semi-automatic, 3-round burst, and fully automatic modes of fire. The trigger group depends on the model and version of the firearm.

The cocking handle remains in the same position when firing and is locked by rotating it slightly clockwise after pulling it fully back and hooking it into an indent on the cocking lever tube. Additionally, the rifle's receiver housing features a claw-rail mounting system that allows for a standard H&K quick-detachable scope mount to be attached. There are many different versions of the H&K MP5 submachine gun that have been developed over the years. These variations have different features and modifications that are specific to the needs of different military, law enforcement, and security organizations around the world. There are even civilian versions available marketed as SP89, HK 94 and SP5.

The H&K MP5 submachine gun has been manufactured under license or copied by several countries around the world. China, France, Greece, Iran, Luxembourg, Mexico, Pakistan, Saudi Arabia, India, Sudan, Switzerland, Turkey, and the United Kingdom have either produced the MP5 under license from Heckler & Koch or have made unlicensed copies of the firearm.

H&K MP5, chambered for .22 LR

Figure 1: H&K MP5, chambered for .22 LR (Source: https://adelbridge.com/product/hk-mp5-22/)

H&K MP5 Calibers

The rifle is available in the following calibers:

.22 LR
9x19 Parabellum
10mm Auto
.40 S&W

H&K MP5 Variants

The rifle is available in the following variants:

H&K HK54 (the original model)
H&K MP5A1
H&K MP5A2
H&K MP5SFA2
H&K MP5A3
H&K MP5SFA3
H&K MP5A4
H&K MP5A5
H&K MP5-N
H&K MP5F
H&K MP5SF
H&K MP5SD
H&K MP5K-N
H&K MP5SD2
H&K MP5SD3
H&K MP5SD4
H&K MP5SD5
H&K MP5SD6
H&K MP5SD-N1
H&K MP5SD-N2
H&K MP5K
H&K MP5KA1
H&K MP5KA4
H&K MP5KA5
H&K MP5K-PDW
H&K MP5/10
H&K MP5/40

There are bores on the sides of the receiver that can be used for scope mounting purposes.

H&K MP5 receiver, chambered for .22 LR

Figure 2: The receiver of H&K MP5, chambered for .22 LR (Source: https://www.reddit.com/r/GunPorn/comments/t8s4yh/hk_mp5_22_lr_version/)

Scope Mounts Interchangeable With H&K MP5

Rifles That Have One-Piece Scope Mounts Interchangeable With H&K MP5

All the rifles listed in the category below have one-piece mounts interchangeable with H&K MP5. For one-piece mounts to fit on a rifle, mounting surfaces on these rifles must match in every dimension. Rifles that meet such criteria are:

MKE T41
MKE T43
T93
H&K G3
H&K HK33

Rifles That Have Two-Piece Scope Mounts Interchangeable With H&K MP5

All the rifles listed in the category below have two-piece mounts interchangeable with H&K MP5. To meet interchangeability conditions, two-piece mounts must match in all dimensions except the B distance. B distance can vary because two-piece mounts can be installed and adjusted closer or further apart. Such rifles are:

MKE T41
MKE T43
T93
H&K G3
H&K HK33

Best Scope Mounts for H&K MP5

Fixed Scope Mounts for H&K MP5

This Spuhr scope mount is made in Sweden and offers expanded scope mounting options by converting the mounting surface to Picatinny. It is made of high-quality aluminum and comes with a two-year warranty.

Help Us Build Our Riflescope Mounts Database

If you happen to own this or any other rifle, we would appreciate it if you could help us expand our database by sending us some photos of the rifle receiver (the bare mounting surface of the rifle without the scope mounts installed). For your help, our company offers a fair return in terms of practical rewards.

Please send us an email for more information. You can contact us here: info@optics-trade.eu

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Spuhr Picatinny Rail for MP5

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Heckler & Koch MP5

Sub Categories

The History of Heckler & Koch

H&K MP5 Rifle Review

H&K MP5 Calibers

H&K MP5 Variants

Scope Mounts Interchangeable With H&K MP5

Rifles That Have One-Piece Scope Mounts Interchangeable With H&K MP5

Rifles That Have Two-Piece Scope Mounts Interchangeable With H&K MP5

Best Scope Mounts for H&K MP5

Fixed Scope Mounts for H&K MP5

Help Us Build Our Riflescope Mounts Database

Spuhr Picatinny Rail for MP5

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Heckler & Koch MP5

Sub Categories

The History of Heckler & Koch

H&K MP5 Rifle Review

H&K MP5 Calibers

H&K MP5 Variants

Scope Mounts Interchangeable With H&K MP5

Rifles That Have One-Piece Scope Mounts Interchangeable With H&K MP5

Rifles That Have Two-Piece Scope Mounts Interchangeable With H&K MP5

Best Scope Mounts for H&K MP5

Fixed Scope Mounts for H&K MP5

Help Us Build Our Riflescope Mounts Database

Spuhr Picatinny Rail for MP5

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