GP Arms Forza 3.1 9mm Micro 2011, 3.1 in Ported Bull Barrel, 7075-T6 Railed Frame, Optics-Ready, 17+1, 2 Mags
The GP Arms Forza 3.1 is a micro-size 2011-pattern 9mm built around a 3.1 in ported bull barrel and a 416 stainless slide with lightening windows and an optics cut. It uses a billet-machined 7075-T6 aluminum railed frame and a compact, aggressively textured polymer grip with a flared aluminum magwell. The pistol is optics-ready with a plate system for popular footprints and runs MBX double-stack magazines for a stated 17+1 capacity.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: There are scratches and blemishes on the finish. The bore is clean and shiny. The feed ramp shows a large amount of brass coloration. Carbon buildup is present in the barrel porting.
What's Included
- Two 17-round MBX 9mm double-stack 2011 magazines
- GP Arms owner's manual
- GP Arms logo PVC patch
- Pistol cleaning kit (.38/.357/9mm compatible)
- Hard plastic clamshell pistol case
The Forza 3.1 centers on a 3.1 in ported bull barrel and a full-length 0.250 in guide rod with a flat-wire 14 lb recoil spring. This setup is paired with a 416 stainless steel slide that features front and rear cocking serrations, lightening/port windows, and an optics cut.
Its optics-ready plate system supports RMR, RMS-C, and DeltaPoint Pro footprints. The pistol includes iron sights, with a black front post and a rear notch.
The billet-machined 7075-T6 aluminum frame is railed and matched to a compact polymer grip module with aggressive texture and a flared aluminum magwell. Ambidextrous thumb safeties, a grip safety, an extended beavertail, and an undercut trigger guard support secure handling. The flat-faced, skeletonized aluminum trigger complements the single-action-only system.
Capacity is stated at 17+1 using MBX double-stack 2011 magazines, and unloaded weight is approximately 24 oz. Markings include GP ARMS LLC Oak Ridge, TN on the pistol and 9x19 on the barrel hood. Country of origin is the United States.



