Out of stock
Primary Weapons Systems MK116 MOD 1 .300 Blackout Semi-Automatic AR-15 Rifle - M116RB1B
Out of stock

Primary Weapons Systems MK116 MOD 1 .300 Blackout Semi-Automatic AR-15 Rifle - M116RB1B

SKU 789264
Brand Primary Weapons Systems
Model Number 109550
UPC 811154030276
Customers must read Compliance Information before purchasing.

Product Details


  • Series/Collection: MK116 MOD 1
  • Action: Semi-Automatic
  • Stock Type: Adjustable
  • Trigger Type: Adjustable
  • Muzzle Type: Flash Suppressor
  • Magazine Capacity: 30+1
  • Caliber/Gauge: 300 AAC Blackout
  • Twist Rate: 1:8"
  • Orientation: Right
  • Safety: Ambidextrous
  • Sight: Optic Ready
  • Receiver Material: Aluminum
  • Stock Material: Synthetic
  • Receiver Finish: Black
  • Stock Finish: Black
  • Barrel Length: 16.1"
  • Overall Length: 32-3/4" to 36-1/4"


The MK116 is designed for a multitude of uses and retains lethal capability out to 500 meters with varying types of ammunition. It is the shortest of the non-NFA models with a removable muzzle device.

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
    Non-adjustable gas system
    Forged upper and lower receivers
    Included forward assist
    Triad30 compensator
    M-Lok free float handguard
    Bravo company furniture
    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.
Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).