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AR-15 | MK1 Uppers

All (23)
MK1 PRO Uppers (1)
MK1 MOD 1 Uppers (11)
MK1 MOD 2 Uppers (10)
MK1 Alpha Uppers (1)
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  • New
    MK118 MOD 2-M Upper .223 WYLDE MK118 MOD 2-M Upper .223 WYLDE

    MK118 MOD 2-M Upper .223 WYLDE

    The MK118 MOD 2-M Upper 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...

    Rating:

    $1,499.95
    Buy Now The item has been added
    Buy Now The item has been added
  • New
    Sold out
    MK118 MOD 1-M Upper .223 WYLDE MK118 MOD 1-M Upper .223 WYLDE

    MK118 MOD 1-M Upper .223 WYLDE

    The MK118 MOD 1 Upper delivers unmatched precision and versatility, now chambered in the highly efficient 6MM ARC. Designed to provide flat trajectories, reduced recoil, and exceptional energy retention, this upper is perfect for precision shooters,...

    Rating:

    $1,299.95
    Out of stock
    Out of stock
  • New
    MK111 MOD 2-M Upper 7.62x39 MK111 MOD 2-M Upper 7.62x39

    MK111 MOD 2-M Upper 7.62x39

    The MK111 MOD 2-M Upper 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...

    Rating:

    $1,499.95
    Buy Now The item has been added
    Buy Now The item has been added
  • Sold out
    MK109 MOD 2-M Upper .300BLK MK109 MOD 2-M Upper .300BLK

    MK109 MOD 2-M Upper .300BLK

    (1)

    The MK1109 MOD 2-M Upper 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...

    Rating: (1)

    $1,499.95
    Out of stock
    Out of stock
  • MK111 MOD 1-M Upper 7.62x39 MK111 MOD 1-M Upper 7.62x39

    MK111 MOD 1-M Upper 7.62x39

    The MK111 MOD 1-M Upper is equipped with the renowned PWS PWS long-stroke piston system, maintaining the reliability that PWS owners have come to trust. This line features a free-float MLOK handguard, forward assist controls, and a design closer to...

    Rating:

    $1,299.95
    Buy Now The item has been added
    Buy Now The item has been added
  • Sold out
    MK111 MOD 1-M Upper .223 Wylde MK111 MOD 1-M Upper .223 Wylde

    MK111 MOD 1-M Upper .223 Wylde

    (2)

    The MK111 MOD 1-M Upper is equipped with the renowned PWS PWS long-stroke piston system, maintaining the reliability that PWS owners have come to trust. This line features a free-float MLOK handguard, forward assist controls, and a design closer to...

    Rating: (2)

    $1,299.95
    Out of stock
    Out of stock
  • Sold out
    MK109 MOD 1-M Upper .300 BLK MK109 MOD 1-M Upper .300 BLK

    MK109 MOD 1-M Upper .300 BLK

    (1)

    The MK109 MOD 1-M Pistol is equipped with the renowned PWS PWS long-stroke piston system, maintaining the reliability that PWS owners have come to trust. This line features a free-float MLOK handguard, forward assist controls, and a design closer to...

    Rating: (1)

    $1,299.95
    Out of stock
    Out of stock
  • Sold out
    MK111 MOD 2-M Upper .223 Wylde MK111 MOD 2-M Upper .223 Wylde

    MK111 MOD 2-M Upper .223 Wylde

    The MK111 MOD 2-M Upper 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...

    Rating:

    $1,499.95
    Out of stock
    Out of stock
  • MK116 MOD 2-M Upper 7.62x39 MK116 MOD 2-M Upper 7.62x39

    MK116 MOD 2-M Upper 7.62x39

    (1)

    The MK116 MOD 2-M Upper 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...

    Rating: (1)

    $1,499.95
    Buy Now The item has been added
    Buy Now The item has been added
  • Sold out
    MK114 MOD 2-M Upper .223 Wylde (NO COMPENSATOR) MK114 MOD 2-M Upper .223 Wylde (NO COMPENSATOR)

    MK114 MOD 2-M Upper .223 Wylde (NO COMPENSATOR)

    (1)

    The MK114 MOD 2-M Upper 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...

    Rating: (1)

    $1,499.95
    Out of stock
    Out of stock
  • Sold out
    MK114 MOD 2-M Upper (Pinned) .223 Wylde MK114 MOD 2-M Upper (Pinned) .223 Wylde

    MK114 MOD 2-M Upper (Pinned) .223 Wylde

    The MK114 MOD 2-M Upper 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...

    Rating:

    $1,499.95
    Out of stock
    Out of stock
  • MK116 MOD 2-M Upper .223 Wylde MK116 MOD 2-M Upper .223 Wylde

    MK116 MOD 2-M Upper .223 Wylde

    The MK116 MOD 2-M Upper 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...

    Rating:

    $1,499.95
    Buy Now The item has been added
    Buy Now The item has been added
  • Sold out
    MK118 MOD 2-M Upper 6MM ARC MK118 MOD 2-M Upper 6MM ARC

    MK118 MOD 2-M Upper 6MM ARC

    The MK118 MOD 2-M Upper delivers unmatched precision and versatility, now chambered in the highly efficient 6MM ARC. Designed to provide flat trajectories, reduced recoil, and exceptional energy retention, this upper is perfect for precision shooters,...

    Rating:

    $1,499.95
    Out of stock
    Out of stock
  • Sold out
    MK109 MOD 1-M Upper, 300BLK, Kodiak Brown MK109 MOD 1-M Upper, 300BLK, Kodiak Brown

    MK109 MOD 1-M Upper, 300BLK, Kodiak Brown

    The MK109 MOD 1-M Pistol is equipped with the renowned PWS PWS long-stroke piston system, maintaining the reliability that PWS owners have come to trust. This line features a free-float MLOK handguard, forward assist controls, and a design closer to...

    Rating:

    $1,299.95
    Out of stock
    Out of stock
  • Sold out
    MK114 MOD 1-M Upper 6MM ARC MK114 MOD 1-M Upper 6MM ARC

    MK114 MOD 1-M Upper 6MM ARC

    The MK114 MOD 1 Upper delivers unmatched precision and versatility, now chambered in the highly efficient 6MM ARC. Designed to provide flat trajectories, reduced recoil, and exceptional energy retention, this upper is perfect for precision shooters,...

    Rating:

    $1,209.95
    Out of stock
    Out of stock
  • Sold out
    MK114 MOD 1-M Upper .223 Wylde MK114 MOD 1-M Upper .223 Wylde

    MK114 MOD 1-M Upper .223 Wylde

    The MK114 MOD 1-M Upper is equipped with the renowned PWS PWS long-stroke piston system, maintaining the reliability that PWS owners have come to trust. This line features a free-float MLOK handguard, forward assist controls, and a design closer to...

    Rating:

    $1,299.95
    Out of stock
    Out of stock
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