Mini Ghost Rock Island Armory Tac Ultra Handgun Thread-On Compensator – .578 x 28 – .45 and 10 MM


INSTALLATION GUIDE for the Mini Ghost Rock Island Armory Handgun Thread-On Compensator - .578 x 28 threading GGW Mini Ghost Rock Island Armory Handgun Thread-On Compensator reduces recoil by a minimum of 75% and eliminates muzzle rise. The Mini Ghost is made of the highest quality materials and workmanship to deliver high performance and recoil reduction, keeping you on target, while increasing accuracy. Available in 7075 Aircraft Aluminum for the .45 and 10 mm caliber; coated with durable and impact resistant Cerakote paint. Grizzly Gunworks Thread-On Handgun Compensators are made custom for your RIA .45 or 10 mm; according to your specifications, therefore, producing a uniquely designed Compensator to perfectly fit your handgun. Grizzly Gunworks Thread-On Compensators are customizable offering a minimum of fourteen colors and finishes. Quickly and easily install your Thread-On Comp with zero gunsmithing. You are purchasing a Thread-On Compensator that is made for a threaded barrel. Precision Compensator Timing: The Mini Ghost Handgun Compensator has a built-in Precision Hex Locking Nut for self-timing. Simply tighten the hex locking nut where needed to accurately index your Mini Ghost Compensator.
Colors: Standard three colors and finishes are available at NO extra charge:
  • Armor Black
  • Bead Blast - Dull Finish
All other custom colors and bead blast polished finish are an additional coating charge of $70.00 U.S.


  • Approximate Dimensions:

    Length : 1.725"
    Diameter: 0.875"
  • Material and Weight:

    .45 and 10 mm Caliber: 7075 Aircraft Aluminum 0.7 oz / 416 Stainless Steel Hex Nut
  • Threading:

    .578 x 28
  • Recoil Reduction:

    Minimum 75%
  • Caliber:

    .45 and 10 mm
  • Rock Island Armory

    Grizzly Gunworks Mini Ghost Handgun Compensators are made for the Rock Island Armory Tac Ultra and GI Series pistol with a threaded .578 x 28 barrel chambered in .45 ACP or 10 mm