GForce Arms GF12HMRB MKX3 12-Hammer 12 Gauge AR Style Shotgun 18.5" 5+1 Black

12HAMMER
GAS OPERATED SEMI-AUTO 12GA SHOTGUN
Meet the 12HAMMER: A Shotgun That Redefines Versatility

The new 12-HAMMER cycles without the need of high velocity ammunition. Most Turkish made MKA-1919 style shotguns require 1300fps velocity ammunition, the 12-HAMMER does not. It will cycle light 7.5 shot loads, and all the way up to 3″ T-shot and steel. This is a highly efficient shotgun that eats almost anything you feed it.

When power, precision, and durability converge, you get the 12HAMMER—a 12-gauge shotgun crafted by the experts at GForce Arms in Turkiye. Engineered to deliver unmatched performance, this firearm is built for those who demand reliability in every scenario. Whether you’re securing your home, refining your skills at the range, or stepping into a tactical situation, the 12HAMMER rises to the challenge.

At its core, the 12HAMMER runs on a gas-operated buffertube system, ensuring smooth, consistent cycling no matter the conditions. Its 18.5-inch barrel, made from 4140 full steel, offers the kind of durability you can count on. The Benelli Mobile Choke System, paired with five factory chokes—CYL, IMP CYL, MOD, IMP MOD, and FULL—lets you customize your shot pattern for precision shooting or widespread coverage, depending on your needs. With a capacity of 5+1 and compatibility with both 2 3/4″ and 3″ shotgun shells, it’s as versatile as they come.

The 12HAMMER is built to endure. Its upper receiver is forged from T6-7075 hardened aluminum, a material prized for its strength-to-weight ratio, while the lower receiver is crafted from rugged polymer to maintain balance and reduce weight. The monoblock synthetic stock and forend are designed to take on the toughest environments, while the anodized finish adds a sleek, corrosion-resistant touch. Weighing 8.4 pounds, this shotgun offers just enough heft to reduce recoil while remaining manageable for quick handling. The adjustable overall length, ranging from 31.1 inches to 48.2 inches, ensures that the 12HAMMER fits comfortably into any situation.

This shotgun isn’t just about specs; it’s about purpose. For home defense, the compact size and fast-cycling operation make it a trusted ally in close-quarters scenarios. The ability to fine-tune the choke system means you can optimize your spread to suit your environment, giving you peace of mind when it matters most. At the range, the 12HAMMER’s balance and durability shine, offering a comfortable, consistent experience for hours of practice. Sport shooters will appreciate its adaptability, making it a strong contender for trap, skeet, and sporting clays. And for tactical use, its rugged build and reliable performance ensure it can handle the demands of professionals and enthusiasts alike.

The 12HAMMER isn’t just a firearm; it’s a statement of quality and capability. Whether you’re defending your home, honing your aim, or tackling tactical challenges, this shotgun delivers every time. With the 12HAMMER, you’re not just holding a shotgun — you’re wielding confidence.

FEATURES
OPERATING SYSTEM Gas Operated Buffertube System
MANUFACTURER GForce Arms, Turkiye
WEIGHT 8.4lbs
BARREL 18.5″ barrel
OVERALL LENGTH 31.1″ – 48.2″
BARREL CHOKE THREADS Benelli Mobile Choke System
CHOKES CYL, MOD, FULL – accepts Mobil Benelli Choke Threads
CAPACITY 5+1
GAUGE 12GA, 2 3/4″, 3″ shotgun shell compatible
STOCK & FOREND Monoblog Synthetic
UPPER RECEIVER MATERIAL T6-7075 Hardened Aluminum
LOWER RECEIVER MATERIAL Polymer
FOREND MATERIAL T6-7075 Hardened Aluminum
COLOR Anodized
BARREL MATERIAL 4140 Full Steel