The PWS MK116 Mod 2-M complete upper in 7.62×39 pairs a 16.1-inch barrel with Primary Weapons Systems’ long stroke piston system (PWS part no. MK1-M2U-762X39-16). The piston system has a 3-setting adjustable gas system, and it runs on a carbine-length gas system. The upper is built from a proprietary piston receiver in anodized 7075-T651 aluminum with a 15-inch PicLok handguard, and a Radian Raptor ambidextrous charging handle comes installed. This is a complete upper, ready to install on a compatible AR-15 lower. It suits a shooter who wants the 7.62×39 cartridge in a piston-driven AR.

Key Specifications

• The upper is chambered in 7.62x39mm.
• The barrel is 16.1 inches and made from 41V50 steel.
• The twist rate is 1:10.
• The operating system is a PWS long stroke piston with a 3-setting adjustable gas system.
• The gas system length is carbine.
• The muzzle device is a Triad 30.
• The receiver is a PWS proprietary piston upper in 7075-T651 aluminum with a hard coat anodize per Mil 8625 Type III Class 2.
• The handguard is a 15-inch PWS PicLok, 1.7 inches wide and 2.25 inches tall.
• The charging handle is a Radian Raptor ambidextrous model.
• The finish is black.

Frequently Asked Questions

Is this a complete upper? Yes. PWS lists it as a complete upper with the barrel, piston system, handguard and charging handle installed.

What type of operating system does it use? It uses a PWS long stroke piston system with a 3-setting adjustable gas system.

What is the barrel made of and how long is it? The barrel is 16.1 inches and made from 41V50 steel, with a 1:10 twist.

Buy the PWS MK116 Mod 2-M Complete Upper, 7.62×39

If you want a piston-driven AR in 7.62×39, this upper arrives assembled with a PicLok handguard and an ambidextrous charging handle. It is built by Primary Weapons Systems, and more uppers are in our AR15 uppers section. Order from our Lubbock, Texas gun shop for fast, insured shipping.