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Gforce Arms
The Gforce 12Ga 18.5 Bullpup shotgun delivers serious firepower in a compact footprint—perfect for home defense, tight quarters, and shooters who want maximum barrel length without the overall length penalty. Built on the proven bullpup platform, this 12-gauge keeps the action and magazine behind the trigger, letting you maintain solid control in confined spaces while keeping the muzzle closer to your body. At 29.5 inches overall, it's genuinely shorter than you'd expect from an 18.5-inch barrel, making it ideal for navigating hallways, vehicles, or anywhere space is tight.
The Gforce bullpup runs on a gas-operated system and feeds from detachable magazines compatible with MKA-1919 pattern mags, giving you the flexibility of magazine changes and capacity you can't get with tube-fed shotguns. The fixed cylinder choke is rated for slug use, so you're not locked into shot alone. Quick-Disconnect sling mounts keep your setup configurable, and the Picatinny rails top and bottom let you mount optics, lights, or tactical accessories exactly where you need them. The flip-up front sights get you running immediately, but red dots and reflex sights are dead-simple to install if that's your preference.
Built tough with polymer upper and lower receivers and checking in at just 8 pounds, the Gforce handles 2¾- and 3-inch 12-gauge ammunition, so you're not restricted to one shell length. Whether you're setting up for home defense, testing a new platform, or running drills, this is a shotgun that doesn't compromise on capability just to stay compact.
| Brand | Gforce Arms |
| Model | GFBP |
| Gauge | 12 |
| Action | Gas Operated |
| Barrel Length | 18.5" |
| Overall Length | 29.5" |
| Weight | 8 lbs |
| Feed System | Magazine-Fed |
| Magazine Type | MKA-1919 compatible |
| Ammo Compatibility | 2¾" and 3" 12-gauge |
| Choke | Fixed Cylinder (slug-rated) |
| Front Sight | Picatinny Rail Mounted Flip-Up |
| Receivers | Polymer Upper & Lower |
| Rails | Picatinny (top and bottom) |
| Sling Mounts | Quick-Disconnect (QD) |
| Barrel Threaded | No |
The Gforce GFBP is compatible with MKA-1919 pattern magazines, giving you flexibility in sourcing and upgrading your capacity.
Yes. The fixed cylinder choke is rated for slug use, so you can run both shot and slug loads without concern.
The Gforce handles both 2¾-inch and 3-inch 12-gauge shells, so you're not limited to one shell length.
Absolutely. The top Picatinny rail accepts red dot sights and reflex optics for faster target acquisition. The flip-up front sights are also included if you prefer iron sights or want a backup.
Gforce Arms
The Gforce 12Ga 18.5 Bullpup shotgun delivers serious firepower in a compact footprint—perfect for home defense, tight quarters, and shooters who want maximum barrel length without the overall length penalty. Built on the proven bullpup platform, this 12-gauge keeps the action and magazine behind the trigger, letting you maintain solid control in confined spaces while keeping the muzzle closer to your body. At 29.5 inches overall, it's genuinely shorter than you'd expect from an 18.5-inch barrel, making it ideal for navigating hallways, vehicles, or anywhere space is tight.
The Gforce bullpup runs on a gas-operated system and feeds from detachable magazines compatible with MKA-1919 pattern mags, giving you the flexibility of magazine changes and capacity you can't get with tube-fed shotguns. The fixed cylinder choke is rated for slug use, so you're not locked into shot alone. Quick-Disconnect sling mounts keep your setup configurable, and the Picatinny rails top and bottom let you mount optics, lights, or tactical accessories exactly where you need them. The flip-up front sights get you running immediately, but red dots and reflex sights are dead-simple to install if that's your preference.
Built tough with polymer upper and lower receivers and checking in at just 8 pounds, the Gforce handles 2¾- and 3-inch 12-gauge ammunition, so you're not restricted to one shell length. Whether you're setting up for home defense, testing a new platform, or running drills, this is a shotgun that doesn't compromise on capability just to stay compact.
| Brand | Gforce Arms |
| Model | GFBP |
| Gauge | 12 |
| Action | Gas Operated |
| Barrel Length | 18.5" |
| Overall Length | 29.5" |
| Weight | 8 lbs |
| Feed System | Magazine-Fed |
| Magazine Type | MKA-1919 compatible |
| Ammo Compatibility | 2¾" and 3" 12-gauge |
| Choke | Fixed Cylinder (slug-rated) |
| Front Sight | Picatinny Rail Mounted Flip-Up |
| Receivers | Polymer Upper & Lower |
| Rails | Picatinny (top and bottom) |
| Sling Mounts | Quick-Disconnect (QD) |
| Barrel Threaded | No |
The Gforce GFBP is compatible with MKA-1919 pattern magazines, giving you flexibility in sourcing and upgrading your capacity.
Yes. The fixed cylinder choke is rated for slug use, so you can run both shot and slug loads without concern.
The Gforce handles both 2¾-inch and 3-inch 12-gauge shells, so you're not limited to one shell length.
Absolutely. The top Picatinny rail accepts red dot sights and reflex optics for faster target acquisition. The flip-up front sights are also included if you prefer iron sights or want a backup.
