PWS MK109 MOD 1-M Upper .300 BLK

Revolutionize Your Firepower

The PWS MK109 MOD 1-M Upper .300 BLK is the superior choice for civilians and law enforcement alike. This line features the PWS long stroke piston system, a tried and true system adored by PWS owners. With a free-float MLOK handguard, forward assist controls, and a design truer to mil-spec, the MK109 MOD 1-M Upper is a formidable, no-nonsense tool for when you need a high value, relentless, and unstoppable option.

Specifications

• Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator
• Caliber: .300BLK
• Barrel Length: 9.75”
• Gas System Length: Pistol
• Barrel Twist Rate: 1:8
• Muzzle Velocity: 2216 fps
• Muzzle Device: PWS Triad 30
• Upper Receiver: PWS Proprietary Piston Upper, T6 7075 Forged, Anodized
• Handguard: PWS M-Lok™ 6.9” Handguard (1.7” width, 2.25” height)
• Charging Handle: Radian Raptor™ Ambidextrous Charging Handle

Key Features

PWS Long Stroke Piston System

This upper receiver features PWS's proprietary long stroke piston system, offering improved reliability and performance.

High Quality Barrel

The 9.75" .300BLK barrel with a 1:8 twist rate ensures high accuracy and superior ballistic performance.

Adjustable Gas System

With a 3 setting Adjustable Gas Regulator, you can easily tune this upper receiver to your specific needs.

Radian Raptor Ambidextrous Charging Handle

Easy to use for both right- and left-handed shooters, the Radian Raptor charging handle offers superior performance and durability.