Name: AGM STEN Mk II(S) Special Purpose AEG, Loop Stock
Brand: AGM
SKU: 60718
Price: 265.9 EUR
Availability: InStock

The AGM STEN Mk II(S) Special Purpose AEG is a unique World War II–inspired submachine gun replica based on the suppressed “S” variant used in covert operations. Originally developed for special forces such as the British SOE, this version features an integrated suppressor and a stripped-down, utilitarian design built for stealth and simplicity.

With its long suppressed front end, side-mounted magazine, and minimalist steel construction, the STEN Mk II(S) stands apart from modern platforms both visually and functionally. It is a strong choice for WWII loadouts, reenactment, and milsim scenarios where historical accuracy and atmosphere matter.

The replica is constructed primarily from steel, giving it a realistic weight and solid feel. The integrated suppressor is made from aluminum and houses a removable tracer unit with a muzzle flash effect, adding both functionality and visual immersion during gameplay. The suppressor can be opened to access the tracer module and the front-wired battery compartment, which uses a Deans (T-connector).

A defining feature of the platform is the rotatable magazine well, allowing the replica to be stored flat, just like the original STEN. To operate, the magwell is rotated into position and locked on the left side. The adjustable hop-up unit can be accessed through the receiver, allowing fine-tuning for different BB weights.

Internally, the replica is built around a version 7 gearbox, known from M14 platforms. It features steel gears and 6 mm slide bearings, providing reliable performance and smooth operation. The 330 mm precision inner barrel with a 6.02 mm diameter supports consistent accuracy and shot placement.

The replica operates in full-auto only, with no fire selector or safety, staying true to the original platform’s simple and direct design. This makes it best suited for close- to mid-range use in historical or stealth-focused scenarios.

Features

Full steel construction with aluminum suppressor
Integrated suppressor with removable tracer unit and muzzle flash effect
Adjustable hop-up system
Version 7 gearbox
6 mm slide bearings
6.02 mm precision inner barrel, 330 mm length
Rotatable magazine well for storage and transport
Side-mounted magazine design
Full-auto only operation
Front-wired with Deans (T-connector)
Loop stock configuration
Serial number: yes

Technical specifications

Length: 965 mm
Weight: 2660 g
Material: steel, aluminum
Magazine type: mid-cap
Magazine capacity: 130 BBs
Hop-up: adjustable
Gearbox: version 7
Bearings: 6 mm slide bearings
Inner barrel length: 330 mm
Inner barrel diameter: 6.02 mm
Muzzle energy: 1.55 J
Muzzle velocity: approx. 125 m/s (0.20 g)
Connector: Deans (T-connector)
Battery: not included
Recommended BBs: 0.25 g, 0.28 g, 0.30 g

Package includes

AGM STEN Mk II(S) Special Purpose AEG
Low-cap magazine

STEN Mk II(S) – use and historical context

The STEN Mk II(S) was developed specifically for special operations and was primarily used by British SOE (Special Operations Executive) units and Commandos. It was designed for covert missions such as sabotage, reconnaissance, and close-range eliminations behind enemy lines.

It saw extensive use across occupied Europe, particularly in France, where it was also supplied to resistance fighters. The suppressed design allowed operators to neutralize targets with a reduced sound signature, making it well suited for clandestine work.

The weapon was also used in Northern Europe during World War II, including operations in Norway, as well as in Southeast Asia and the Pacific, where Allied special forces operated in jungle and occupied territories.

The STEN Mk II(S) remained in service beyond WWII, seeing use into the 1960s in regions such as the Cambodia–Vietnam border during covert operations. It was also adopted by various special units in Asia in the decades that followed, showing that the concept remained practical long after its introduction.

Overall, the STEN Mk II(S) was one of the earliest widely used suppressed submachine guns in special operations, and it helped shape the development of later platforms such as the MP5SD.