Out of stock
Primary Weapons Systems MK116 MOD 1-M .223 Wylde 16" Barrel Complete Upper, Chrome-Lined Black - M116UA0B
Out of stock

Primary Weapons Systems MK116 MOD 1-M .223 Wylde 16" Barrel Complete Upper, Chrome-Lined Black - M116UA0B

SKU 789256
Brand Primary Weapons Systems
Model Number M116UA0B
UPC 811154030382
Customers must read Compliance Information before purchasing.
This product is fulfilled by a PSA Partner and shipping times may vary.

Product Details


Manufacturer: Primary Weapons Systems
Weight: 4 lb 11 oz
Finish: Anodized Black
Caliber Multi: .223 Wylde
Material: 7075 T6 Forged Aluminum
Upper Barrel Length: 16.1"
Upper CH Included: Yes
Upper Gas Block Type: PWS Long Stroke Piston System
Upper Gas Length: Mid-Length
Upper Handguard Type: Free-Float PWS M-LOK
Upper Rail Length: 15.05"
Upper Receiver Type: PWS Proprietary Piston
Twist Rate: 1:8"
Series/Collection: MK116 MOD 1-M
Barrel Finish: Black
Includes: Rifle Service Tool for Gas Adjustment, PWS Sticker, PWS Hat, PWS Manual
Muzzle Device: PWS FSC 556
Barrel Material: 4140 Steel
TS Dimensions Length: 25"
Chrome Lining: Yes
Muzzle Velocity: 2980 fps


The shortest of the non-NFA models with a removable muzzle device, the MK116 Upper is a crowd favorite. The MK116 is designed for a multitude of uses and retains lethal capability out to 500 m with varying types of ammunition. The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a more true to mil-spec design, the MK1 MOD 1-M line is a go-to for not only civilians, but also Law Enforcement. With the fully forged upper and lower receivers, the MK1 MOD 1-M is a no-nonsense tool for when you need a high value option that is relentless and unstoppable. The MK116 MOD 1-M is one of the most popular firearms PWS manufactures. Being a go-to for Law Enforcement communities looking for non-NFA items, this rifle can be seen in-use by over 85 LE communities in the United States.

  • PWS long stroke piston operating system
  • 3 setting adjustable gas system
  • Forged upper receiver
  • Included forward assist
  • FSC556 compensator
  • Radian raptor charging handle


Q & A


All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.