3.1" Barrel
Multiple Finishes



The FORZA is a highly capable and ergonomic self-defense pistol, featuring ambidextrous thumb safeties, a full-length guide rod, a flat wire chrome silicon spring, a shouldered reverse plug, a match-grade fire control system, a flat skeletonized trigger, and an aluminum frame.

Barrel Length
Optics Ready
Barrel Options
Bull, Ported
GP Arms Forza 3.1 Bull Barrel with Holosun Mounted
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Build & Price
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& Options

  • 9mm
  • Barrel Options:
         - Bull Barrel - 3.1"
         - Ported Barrel - 3.1"

  • Optic ready rear sight plate Options:
         - RMS-C footprint (In The Box)
         - RMR footprint Option
         - Delta Point Pro footprint Option
  • Aluminum Frame Color Options:
      - Black (Black Anodized frame with black nitride slide, and barrel)
     - Two Tone (Clear Anodized frame with black nitride slide, and barrel)
  • Frame: 7075 Aircraft Grade aluminum with picatinny rail
  • 416 stainless steel Slide with optics cut and lightening cuts
  • Injection Molded Polymer compact size Grip
  • Ambidextrous thumb safety
  • 3.5 lb. to 4 lb. Trigger Weight
  • Flat skeletonized aluminum Trigger
  • Full length one piece .250” Guide Rod
  • Flat wire chrome silicon 14 lb. Recoil Spring
  • Weight (As shown unloaded, without a magazine inserted):
         - 24 oz.
GP Arms Forza 3.1 Bull Barrel


GP ARMS is proud to announce the release of the FORZA, a 3.10” barrel, compact grip, 17+1 round Double Stack 1911 pistol.

The FORZA elevates the proven 1911 ULTRA platform with enhanced performance and versatility. It features front and rear cocking serrations, a match-grade bull barrel, optics-ready design, a rear sight integrated RDS plate, and a black post serrated front sight.

Equipped with ambidextrous thumb safeties, a 1/4” solid steel full-length guide rod, flat wire chrome silicon spring, shouldered reverse plug, match-grade fire control system, flat skeletonized trigger, and an aluminum frame, the FORZA is an exceptionally capable and ergonomic self-defense pistol.

The FORZA sports a milled 7075 aluminum Picatinny railed frame with an ergonomically designed polymer grip module, offering a 17+1 capacity with an MBX Extreme 9mm 1911 double stack Defender magazine. Optional higher capacity MBX 2011 style magazines are also available.

Designed for versatility, the FORZA is compatible with several popular optical sight footprints. Our billet steel RDS plates, which include an integral rear sight, are available in RMR, RMS-C, and Delta Point Pro footprints.

The pistol ships with the RMS-C/Holosun 407K-507K footprint rear sight plate and cover plate. Optional Delta Point Pro and RMR footprint rear sight plates are also available.

The GP ARMS FORZA 9mm 1911 Double Stack pistol takes the 1911 platform to the next level with increased capacity and unmatched performance.