Wiselite Arms Sterling MK4 L2A3 Sporter 9mm 16" Barrel Semi-Auto Rifle

Wiselite Arms Sterling MK4 L2A3 Sporter 9mm 16″ Barrel Semi-Auto Rifle

More Sold Fine European Arms

SOLD FOR: $1,250.00

LSB#: LSB250825JP008

Make: Sterling Armament Co. Dagenham England

Model: Mk4 L2A3 Sporter

Serial Number: NLA29-C03358

Year of Manufacture: Modern

Caliber: 9mm Luger

Action Type: Semi-Automatic Blowback, Fed By Detachable Magazines.

Markings: The top of the magwell is marked, “STERLING SMG 9m/m Mk.4 (L2A3) No. KKR38061”. The receiver has the Wiselite rollmark and serial number.

Barrel Length: 16″

Sights / Optics: The front sight is a post set between two protective wings, the rear sight is L-type flip aperture set between protective wings.

Stock Configuration & Condition: This rifle has a tubular handguard with hand stops, Bakelite checkered pistol grip, and under-folding steel stock. There are minimal handling marks on the metal parts and some moderate wear to the grip. The LOP measures 16.25″ from the front of the trigger to the back of the unfolded buttstock. The stock rates at about Very Good overall condition.

Magazine Quantity & Condition: None.  

Type of Finish: Powder Coated Thermoset Crackle

Finish Originality: Original

Bore Condition: The bore is bright and the rifling is sharp. There is no faint in the bore. In this writer’s opinion, the bore rates at about 9/10.

Overall Condition: This rifle retains about 97% of its metal finish. The balance of the finish shows light wear. The screw heads are sharp. The pins are unmarred. The markings are clear. Overall, this rifle rates in about Very Good condition. 

Mechanics: The action functions correctly. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.

Box, Paperwork & Accessories: Sling.

Our Assessment: This Wiselite Arms Sterling Mk4 L2A3 Sporter is a semi-automatic, civilian-legal version of the iconic British Sterling submachine gun, one of the most recognizable Cold War–era 9mm SMGs. Originally manufactured by Sterling Armament Company in Dagenham, England, the Sterling served with British forces from the 1950s through the 1980s and was known for its excellent reliability, ergonomic side-mounted magazine system, and futuristic looks. This Wiselite conversion retains the visual and handling characteristics of the original SMG while incorporating a 16” barrel, semi-auto operation, and legal compliance for civilian ownership. Built on a combination of original and new-manufactured components, this rifle features a crackle-finish powder-coated receiver, tubular ventilated handguard, underfolding steel stock, and classic Bakelite pistol grip. The bore is bright with sharp rifling, rated 9/10, and the rifle retains about 97% of its metal finish, with only minor handling marks and some moderate grip wear. The flip-style L-type rear sight and protected front post are standard for the platform, and the underfolder stock locks up properly and folds cleanly. While no magazine is included, the design is compatible with standard Sterling-pattern mags.

For collectors of Cold War small arms, British military rifles, or enthusiasts of classic SMG designs in a legal semi-auto configuration, this Wiselite Sporter is a standout piece. Its compact handling, rugged construction, and nostalgic silhouette make it an excellent addition to any military-style collection, reenactment kit, or range lineup. -R.E.

Wiselite Arms Sterling MK4 L2A3 Sporter 9mm 16" Barrel Semi-Auto Rifle
Wiselite Arms Sterling MK4 L2A3 Sporter 9mm 16″ Barrel Semi-Auto Rifle