Radikal Arms NK-1 / GForce GFY-1 Bullpup 12 Gauge, 18.5 Inch, Gas-Operated, 3 Inch Chamber, American Flag Finish, M-LOK Handguard, Drum + 5rd Mag, Custom Setup
This dual-marked Radikal Arms NK-1 / GForce GFY-1 bullpup 12 gauge stands out with its American flag-themed multicolor finish and a purpose-built configuration. It is gas-operated with an 18.5 inch barrel, a 3 inch chamber, and a detachable magazine system with a stated maximum capacity of 20+1. The shotgun comes customized with a vertical foregrip, polymer flip-up sights, and a top-rail shell caddy installed, and is marked as manufactured in Türkiye by Radikal and imported by GForce Arms.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Rifling: Not applicable; smoothbore 12-gauge barrel.
Specific Condition Notes: The shotgun is in very good condition with some exterior blemishing present. The bore and barrel are clean, bright, and shiny.
What’s Included
- Allen Tac Six soft case
- GForce Arms GFM20 20-round drum magazine
- GForce Arms 5-round factory box magazine
- Polymer flip-up iron sights (installed)
- Top-rail mounted 12-gauge shell caddy (installed)
- Vertical foregrip (installed)
The NK-1/GFY-1 is a bullpup-platform, gas-operated 12 gauge with an 18.5 inch barrel and a 3 inch chamber. It feeds from detachable box or drum magazines, with a stated maximum capacity of 20+1. This example includes both a 20-round GForce Arms drum and a 5-round factory box magazine.
It is dual-marked: NK-1 as the manufacturer’s model and GFY-1 as the importer’s model. The receiver shows the left-side GForce Arms GF logo, and markings note it was imported by GForce Arms in Reno, NV, and manufactured in Türkiye by Radikal (Barak Silah Sanayi).
The exterior features an American flag-themed multicolor finish across the receiver and components, plus a cylindrical barrel shroud/muzzle device. Controls include a manual safety lever with F/S markings.
Furniture and mounting surfaces are set up for practical use: an M-LOK-style handguard with slots at 3, 6, and 9 o’clock, a top rail with polymer flip-up front and rear sights installed, and a vertical foregrip. A top-rail 12-gauge shell caddy is mounted to keep spare shells immediately accessible.