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GForce Arms MKX3 12-Hammer 12 Gauge Semi-Auto 18.5″ 5+1

GForce Arms MKX3 12-Hammer 12 Gauge Semi-Auto 18.5″ 5+1

$266.55

GForce Arms GF12HMRB MKX3 12-Hammer 12 Gauge semi-auto with an 18.5″ barrel, 5+1 capacity, black steel barrel, black anodized aluminum receiver, and fixed synthetic stock. Includes one 5-round MKA1919 magazine.

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SKU: ZND|GGF12HMRBCategories: Semi Auto ShotgunsTags: Online Only

The GForce Arms MKX3 12-Hammer is a 12-gauge semi-automatic shotgun with an 18.5-inch barrel and a 5+1 capacity. It features a black anodized aluminum receiver and a fixed synthetic stock, and is compatible with MKA1919 magazines. Flip-up front and rear sights and included MOBIL-style choke options provide practical adaptability for range, field, or home-use applications.

Key Specifications

  • The gauge is 12 Gauge.
  • The action is Semi-Auto.
  • The barrel measures 18.5 inches.
  • The capacity is 5+1.
  • The magazine type is MKA 1919 and the package includes one 5-round magazine.
  • Chokes included are Cylinder, Modified, and Full.
  • The receiver material is aluminum alloy.
  • The barrel material is 4140 steel.
  • The sights are flip-up front and rear.
  • The finish is black anodize.

Well-equipped for practical use, the MKX3 12-Hammer combines familiar ergonomics and straightforward controls with common accessory compatibility, making it a sensible choice for shooters seeking a reliable 12-gauge platform for range work, property stewardship, or general-purpose use.

Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.

UPC

643477868256

Manufacturer

GForce Arms

Manufacturer Part Number

GF12HMRB

Action

Semi-Auto

ATF Type

Shotgun

Barrel Length

18.5"

Caliber/Gauge

12 Gauge

Capacity

5 + 1

Chokes Included

Cylinder/Full/Modified

Number of Magazines

1 5 rd.

Package Height

3.5

Package Width

9.0

Product Type

Shotgun

Shipping Weight

12.0

Sights

Flip Up Front and Rear

Sights Type

Adjustable Sights

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