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Primary Weapons Systems MK116 MOD 2-M, 7.62x39mm, 16.1in Upper Receiver MK1-M2U-762X39-16 Caliber: 7.62x39mm, Barrel Length: 16.1 in, $100.00 Off w/ Free S&H

Primary Weapons Systems Complete Upper Receiver, MK116 MOD 2-M, 7.62x39, 16.1in Barrel, Carbine Length, 1-10 Twist, PWS PicLok 15in Handguard, FSC 30, Anodized, Triad30, Black, 2M116UF01-1F
Primary Weapons Systems Complete Upper Receiver, MK116 MOD 2-M, 7.62x39, 16.1in Barrel, Carbine Length, 1-10 Twist, PWS PicLok 15in Handguard, FSC 30, Anodized, Triad30, Black, 2M116UF01-1F
Primary Weapons Systems Complete Upper Receiver, MK116 MOD 2-M, 7.62x39, 16.1in Barrel, Carbine Length, 1-10 Twist, PWS PicLok 15in Handguard, FSC 30, Anodized, Triad30, Black, 2M116UF01-1F
Primary Weapons Systems Complete Upper Receiver, MK116 MOD 2-M, 7.62x39, 16.1in Barrel, Carbine Length, 1-10 Twist, PWS PicLok 15in Handguard, FSC 30, Anodized, Triad30, Black, 2M116UF01-1F
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Primary Weapons Systems Complete Upper Receiver, MK116 MOD 2-M, 7.62x39, 16.1in Barrel, Carbine Length, 1-10 Twist, PWS PicLok 15in Handguard, FSC 30, Anodized, Triad30, Black, 2M116UF01-1F
Primary Weapons Systems Complete Upper Receiver, MK116 MOD 2-M, 7.62x39, 16.1in Barrel, Carbine Length, 1-10 Twist, PWS PicLok 15in Handguard, FSC 30, Anodized, Triad30, Black, 2M116UF01-1F
2 of 3 images
Primary Weapons Systems Complete Upper Receiver, MK116 MOD 2-M, 7.62x39, 16.1in Barrel, Carbine Length, 1-10 Twist, PWS PicLok 15in Handguard, FSC 30, Anodized, Triad30, Black, 2M116UF01-1F
Primary Weapons Systems Complete Upper Receiver, MK116 MOD 2-M, 7.62x39, 16.1in Barrel, Carbine Length, 1-10 Twist, PWS PicLok 15in Handguard, FSC 30, Anodized, Triad30, Black, 2M116UF01-1F
3 of 3 images
Primary Weapons Systems Complete Upper Receiver, MK116 MOD 2-M, 7.62x39, 16.1in Barrel, Carbine Length, 1-10 Twist, PWS PicLok 15in Handguard, FSC 30, Anodized, Triad30, Black, 2M116UF01-1F

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Questions & Answers
Does this upper receiver come with the bolt carrier group? Expert Answer

The Primary Weapons Systems MK116 MOD 2 Upper includes a BCG as well as a Radian charging handle.

by Ethan, Gear Expert, November 1, 2024
Does this upper come with the bcg? Can you answer this question?
View All Q&A You Have a Question? Ask!
Caliber:
7.62x39mm
Barrel Length:
16.1 in
Gas System Length:
Carbine Length
Barrel Twist Rate:
1-10
Muzzle Device:
PWS Triad 30
Finish:
Anodized
Color:
Black
Handguard Length:
15 in

Code: 2D5-UFH-MK116-MK1-M2U-762X39-16

MPN: MK1-M2U-762X39-16

UPC: 811154033253

List: $1,499.95Save $100.00
$1,399.95

ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.

Product Info for Primary Weapons Systems MK116 MOD 2-M, 7.62x39mm, 16.1in Upper Receiver

The MK116 MOD 2-M operates on the highly acclaimed PWS Long Stroke Piston System, renowned for its reliability and reduced fouling. The inclusion of a 3-setting Adjustable Gas System allows users to fine-tune gas flow, ensuring optimal performance in diverse shooting conditions as well as optimizing it for suppressor use. This innovative system not only enhances reliability but also provides adaptability to various ammunition types and environmental factors.image

Specifications for Primary Weapons Systems MK116 MOD 2-M, 7.62x39mm, 16.1in Upper Receiver:

Manufacturer: Primary Weapons Systems
Caliber: 7.62x39mm
Barrel Length: 16.1 in
Gas System Length: Carbine Length
Barrel Twist Rate: 1-10
Muzzle Device: PWS Triad 30
Finish: Anodized
Color: Black
Fabric/Material: T6 7075 Aluminum
Handguard Length: 15 in
Gun Rail: Pic-Lok
Gas System Type: Long-Stroke Piston
Magazine Included: No

Features of Primary Weapons Systems MK116 MOD 2-M, 7.62x39mm, 16.1in Upper Receiver:

  • PWS Long Stroke Piston System: Renowned for reliability and reduced fouling, with adjustable gas settings for optimal performance.
  • Suppressor Optimized: Provides enhanced suppressor performance by minimizing back pressure, reducing gas blowback, and optimizing gas flow for a cleaner and more comfortable shooting experience.
  • Lightweight Design: The MK116 upper weighs just 4.7 lbs, ensuring superior maneuverability without compromising performance.
  • Barrel: 16.1" Wylde barrel with a 1:10 twist rate, delivering exceptional accuracy and versatility when firing most 7.62x39 rounds.
  • 7.62x39 Chambering: Meticulously designed for outstanding accuracy and reliability for 7.62x39 ammunition.
  • Precision-Engineered Ambidextrous Receiver: Crafted from 7075-T651 Forged Aluminum and anodized for durability, the rifle features an ambidextrous lower receiver designed in-house. This design eliminates the forward assist while incorporating a flared mag well and built-in trigger guard, ensuring a rigid platform with robust build quality and compatibility for versatile customization.
  • Innovative PicLok™ Handguard: Combining both Picatinny and MLOK into one for mounting accessories, balancing ergonomics and functionality.
  • Radian Raptor Ambidextrous Charging Handle: Ensures smooth operation for both left and right-handed shooters.

Package Contents:

  • Primary Weapons Systems MK116 MOD 2-M, 7.62x39mm, 16.1in Upper Receiver

Primary Weapons Systems MK116 MOD 2-M, 7.62x39mm, 16.1in Upper Receiver Orderable Models

List of Orderable Models

  • Primary Weapons Systems MK116 MOD 2-M Upper Receiver, 7.62x39, 16.1in, 1-10 Twist, FSC 30, 3-Setting Adjustable Gas System, Black, MK1-M2U-762X39-16 , MPN: MK1-M2U-762X39-16 , UPC: 811154033253 , Code: 2D5-UFH-MK116-MK1-M2U-762X39-16
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Last updated 2026-07-06 UTC.