MK1 PRO

The PWS MK1 PRO line features the tried and true PWS long stroke piston system. This line is perfect for shooters looking for a cost-effective piston system firearm without sacrificing the high-quality standards PWS has been known for over a decade.
Featuring a 3-setting adjustable gas system for users with suppressors, free-float MLOK handguard, Radian Raptor charging handle, extruded upper receiver that integrates an extremely solid handguard attachment system, the MK1 PRO line has an assortment of features ideal for shooters of all levels. Available as a complete upper or complete firearm (both pistol and rifle configurations). As with all PWS complete upper receivers, they will fit seamlessly to any AR15 lower receiver with no need for add accessories. The PRO line is the best value on the market when it comes to piston driven operating systems, including high-end features and custom components.
Adding to the overall value, the entire MK1 PRO line comes with the same performance expectations and lifetime guarantee as all PWS products.

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8 Item(s)

  1. MK1 MOD 1-M/ MK1 PRO Stripped Lower

    MK1 MOD 1-M/ MK1 PRO Stripped Lower

    $116.95

    Multi-Caliber Lower, T6 7075 Forged, Hard Coat Black Anodized per MIL-A-8625F Type III Class 2, AR-15 Compatible

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  2. MK1 MOD 1-M/ MK1 PRO Complete Rifle Lower

    MK1 MOD 1-M/ MK1 PRO Complete Rifle Lower

    $399.95

    SKU: 18-M100RM1B UPC: 811154030450

    Lower Receiver: PWS MK1 MOD 1-M Multi-Caliber Lower, T6 7075 Forged, Anodized, AR-15 Compatible

    Trigger: Mil-Spec Enhanced, PTFE Coated.

    Trigger Pull Weight: 5.5 – 6.5 lbs.

    Buffer Tube: PWS Enhanced Buffer Tube with ratchet lock castle nut and end plate set with built-in QD mount

    Buffer: PWS Enhanced H2 Steel Body Buffer

    Furniture: Bravo Company USA® Buttstock and Pistol Grip

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  3. MK1 MOD 1-M/ MK1 PRO Complete Pistol Lower

    MK1 MOD 1-M/ MK1 PRO Complete Pistol Lower

    $449.95

    SKU: 20-M100PM1B UPC: 811154031044

    Lower Receiver: PWS MK1 MOD 1-M Multi-Caliber Lower, T6 7075 Forged, Anodized, AR-15 Compatible

    Trigger: Mil-Spec Enhanced, PTFE Coated.

    Trigger Pull Weight: 5.5 – 6.5 lbs.

    Buffer Tube: PWS Enhanced Buffer Tube with ratchet lock castle nut and end plate set with built-in QD mount

    Buffer: PWS Enhanced H2 Steel Body Buffer

    Furniture: SB Tactical SBA3™, Bravo Company USA® Pistol Grip

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  4. MK111 PRO Upper

    MK111 PRO Upper

    $649.95

    MK111 PRO Specs:

    SKU: 19-PM111UA0B UPC: 811154030948

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

    Caliber: .223 Wylde

    Barrel Length: 11.85”

    Gas System Length: Carbine

    Barrel Twist Rate: 1:8

    Muzzle Velocity: 2741 fps

    Muzzle Device: A2 Flash Hider

    Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, Anodized

    Handguard: PWS M-Lok™ 11” Handguard (1.7” width, 2.25” height)

    Charging Handle: Radian Raptor™ Ambidextrous Charging Handle

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  5. MK116 PRO Upper

    MK116 PRO Upper

    $649.95

    MK116 PRO Specs:

    SKU: 19-PM116UA0B UPC: 811154030955

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

    Caliber: .223 Wylde

    Barrel Length: 16.1”

    Gas System Length: Mid-Length

    Barrel Twist Rate: 1:8

    Muzzle Velocity: 2980 fps

    Muzzle Device: A2 Flash Hider

    Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, Anodized

    Handguard: PWS M-Lok™ 15” Handguard (1.7” width, 2.25” height)

    Charging Handle: Radian Raptor™ Ambidextrous Charging Handle

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  6. MK109 PRO Upper- .300BLK Available exclusively through Brownells

    MK109 PRO Upper- .300BLK Available exclusively through Brownells

    $656.99

    AVAILABLE EXCLUSIVELY THROUGH BROWNELLS. CLICK HERE TO ORDER.

    SKU: 19-PM109UB0B UPC: 811154030962

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

    Caliber: .300BLK

    Barrel Length: 9.75”

    Gas System Length: Pistol

    Barrel Twist Rate: 1:8

    Muzzle Velocity: 2264 fps

    Muzzle Device: A2 Flash Hider

    Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, Anodized

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

    Charging Handle: Radian Raptor™ Ambidextrous Charging Handle

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  7. MK116 PRO Rifle

    MK116 PRO Rifle

    $995.95

    MK116 PRO Specs:

    SKU: 19-PM116RA1B UPC: 811154030931

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

    Caliber: .223 Wylde

    Barrel Length: 16.1”

    Gas System Length: Mid-Length

    Barrel Twist Rate: 1:8

    Muzzle Velocity: 2980 fps

    Muzzle Device: A2 Flash Hider

    Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, Anodized

    Handguard: PWS M-Lok™ 15.0” Handguard (1.7” width, 2.25” height)

    Charging Handle: Radian Raptor™ Ambidextrous Charging Handle

    Lower Receiver: PWS MK1 MOD 1-M Multi-Caliber Lower, T6 7075 Forged, Anodized, AR-15 Compatible

    Trigger: Mil-Spec Enhanced, PTFE Coated.

    Trigger Pull Weight: 5.5 – 6.5 lbs.

    Buffer Tube: PWS Enhanced Buffer Tube with ratchet lock castle nut and end plate set with built-in QD mount

    Buffer: PWS Enhanced H2 Steel Body Buffer

    Furniture: Bravo Company USA® Buttstock and Pistol Grip

    Learn More
  8. MK111 PRO Pistol

    MK111 PRO Pistol

    $1,045.95

    MK111 PRO Specs:

    SKU: 20-PM111PA1B UPC: 811154031051

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

    Caliber: .223 Wylde

    Barrel Length: 11.85”

    Gas System Length: Carbine

    Barrel Twist Rate: 1:8

    Muzzle Velocity: 2741 fps

    Muzzle Device: A2 Flash Hider

    Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, Anodized

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

    Charging Handle: Radian Raptor™ Ambidextrous Charging Handle

    Lower Receiver: PWS MK1 MOD 1-M Multi-Caliber Lower, T6 7075 Forged, Anodized, AR-15 Compatible

    Trigger: Mil-Spec Enhanced, PTFE Coated.

    Trigger Pull Weight: 5.5 – 6.5 lbs.

    Buffer Tube: PWS Enhanced Buffer Tube with ratchet lock castle nut and end plate set with built-in QD mount

    Buffer: PWS Enhanced H2 Steel Body Buffer

    Furniture: SB Tactical SBA3™, Bravo Company USA® Pistol Grip

    Learn More

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8 Item(s)