Ideal for AR-15 builds, the Primary Weapons Systems MK111 Mod 1-M Upper Receiver in 7.62x39 offers enhanced performance and reliability. Featuring an 11.85" barrel and a robust anodized black finish, this upper receiver is designed to deliver exceptional accuracy and durability in various shooting conditions.
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The MK111 Mod 1-M Upper Receiver utilizes the PWS Long Stroke Piston System with a 3-setting adjustable gas regulator, providing increased reliability and reduced maintenance compared to traditional direct impingement systems. The upper receiver is constructed from T6 7075 forged aluminum, ensuring strength and longevity.
The 11.85" barrel, chambered in 7.62x39, is optimized for a wide range of shooting applications. The carbine-length gas system ensures smooth operation and reliable cycling. The PWS M-Lok 11.05" handguard offers ample space for accessory mounting while maintaining a slim profile. Measuring 1.7" in width and 2.25" in height, the handguard provides a comfortable and ergonomic grip. Additionally, the included Radian Raptor Ambidextrous Charging Handle ensures ease of use for both right- and left-handed shooters.
Primary Weapons Systems MK111 Mod 1-M Specifications
Brand: Primary Weapons Systems
Model: MK111 Mod 1-M Upper Receiver
Caliber: 7.62x39
Barrel Length: 11.85"
Gas System Length: Carbine
Barrel Twist Rate: 1:8
Muzzle Velocity: 2741 fps
Muzzle Device: PWS Triad 556
Operating System: PWS Long Stroke Piston System with 3-Setting Adjustable Gas Regulator
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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