MK1 MOD 2-M Uppers

The PWS MK1 MOD 2-M line features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok technology on the free float handguard, users are able to mount either Picatinny or MLOK accessories on the front of their firearm. Moving to the fully forged upper and lower receivers, the craftsmanship of this rifle can be easily recognized. Eliminating forward assist, adding a flared mag well and built-in trigger guard, among other specific add-ons, the MK1 MOD 2-M takes high-end firearms to a new level. Sleek, compact and ready for anything, the MK1 MOD 2-M is sure to please esthetically and in-action.

The MK107 MOD 2-M is a must-have for NFA stamp collectors. The “Diablo” as it’s come to be known, is easily recognized by its 7.75” barrel topped with our CQB muzzle device. Designed to replace MP5 style weapons, this firearm was designed to be a sleek yet sturdy option for shooters wanting the most compact, while still reliable, AR available.

MK107 MOD 2-M Specs:

Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator

Caliber: .223 Wylde

Barrel Length: 7.75”

Barrel: PWS manufactured 416 Stainless Steel, Button Rifled

Barrel Twist Rate: 1:8

Muzzle Velocity: 2216 fps

Muzzle Device: PWS CQB 556 Compensator for flash suppression and muzzle stabilization without overpressure

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

Overall Length: 17.0”

Overall Height: 2.25”

Overall Width: 2.5”

Overall Weight: 3 lbs. 8 oz.

Piston System: Pistol

Eliminated forward assist

User Removable Handguard Clamping Design for Easy Field Stripping

Top Full-Length STANAG 4694 (1913 Picatinny) Rail Pattern

Reduced Diameter Barrel Seat for Improved Mechanical Fit Over Mil-Spec

Retained User Changeable Dust Cover (No E-Clip Required)

Bolt Carrier Group and Piston Assembly is FNC LIFE HD ® salt-bath nitride treated to deliver a lifetime of service and durability

The PW MK1 MOD 2-M line features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok technology on the free float handguard, users are able to mount either Picatinny or MLOK accessories on the front of their firearm. Moving to the fully forged upper and lower receivers, the craftsmanship of this rifle can be easily recognized. Eliminating forward assist, adding a flared mag well and built-in trigger guard, among other specific add-ons, the MK1 MOD 2-M takes high-end firearms to a new level. Sleek, compact and ready for anything, the MK1 MOD 2-M is sure to please esthetically and in-action. 

The MK111 MOD 2, has become the go-to SBR for many shooters, including many PWS employees. Shooters are now able to run 1 AR for a variety of uses. We’ve seen the MK111 used successfully in hog hunts, LE and SWAT training courses, and more.

MK111 MOD 2-M Specs:

Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator

Caliber: .223 Wylde

Barrel Length: 11.85”

Barrel: 41V50, Button Rifled

Barrel Twist Rate: 1:8

Muzzle Velocity: 2741 fps

Muzzle Device: PWS Triad 556 Compensator for flash suppression and muzzle stabilization without overpressure

Upper Receiver: PWS Proprietary Piston Upper, T6 7075 Forged, Anodized

Handguard: PWS M-Lok™ 11.0” Handguard (1.7” width, 2.25” height)

Charging Handle: Radian Raptor™ Ambidextrous Charging Handle

Overall Length: 20.75”

Overall Height: 2.25”

Overall Width: 2.5”

Overall Weight: 3 lbs. 14 oz.

Piston System: Carbine

The PW MK1 MOD 2-M line features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok technology on the free float handguard, users are able to mount either Picatinny or MLOK accessories on the front of their firearm. Moving to the fully forged upper and lower receivers, the craftsmanship of this rifle can be easily recognized. Eliminating forward assist, adding a flared mag well and built-in trigger guard, among other specific add-ons, the MK1 MOD 2-M takes high end firearms to a new level. Sleek, compact and ready for anything, the MK1 MOD 2-M is sure to please esthetically and in-action. Bringing back the MK109 300BLK provides our shortest platform in the 300BLK caliber, while giving shooters the enhanced features of our MOD 2-M design.

Operating System: PWS Long Stroke Piston System, Non-Adjustable Gas Regulator

Caliber: .300BLK

Barrel Length: 9.75”

Barrel: 41V50, Button Rifled

Barrel Twist Rate: 1:8

Muzzle Velocity: 2264 fps

Muzzle Device: PWS Triad 30 Compensator for flash suppression and muzzle stabilization without overpressure

Upper Receiver: PWS Proprietary Piston Upper, T6 7075 Forged, Anodized

Handguard: PWS M-Lok™ 8.9” Handguard (1.7” width, 2.25” height)

Charging Handle: Radian Raptor™ Ambidextrous Charging Handle

Overall Length: 18.75”

Overall Height: 2.25”

Overall Width: 2.5”

Overall Weight: 3 lbs. 9 oz.

Reduced Diameter Barrel Seat for Improved Mechanical Fit Over Mil-Spec

Retained User Changeable Dust Cover (No E-Clip Required)

Piston System: Pistol