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Velocity Pro Tucked Compensator for Sig P320


Tool-less Removal with our Velocity Barrels

*Killer Innovations is not responsible if you purchase an item you cannot legally possess in your state, county, or city. Some states, including but not limited to: Washington, California, New York, Massachusetts, Connecticut, Hawaii, and New Jersey, restrict the sale and ownership of certain firearms and/or firearm parts and accessories. It is your responsibility to know your state and local laws before making a purchase at Killer Innovations.

The Velocity Pro Tucked Comp is a high-quality compensator designed specifically for Sig P320 pistols chambered in 9mm. It’s a fully tunable compensator that can help reduce recoil and improve accuracy during rapid firing. The comp is designed to fit inside the frame of the pistol, creating a sleek and streamlined look.

This compensator comes with all the necessary components for easy installation, including the Velocity Pro Tucked Comp body with button installed, Comp Blast Baffle, Comp Wrench, Locking Rings (large ring for reduced compensation power and small ring for full compensation power), Blue Thread Locker, .05 Allen Wrench, and various set screws for use with different types of barrels.

To install the compensator, you must ensure that your barrel has a 1/2-28 thread pitch and that you are installing the correct compensator for your pistol. If you are using a Killer Innovations barrel, installation is extremely easy, as the barrel comes pre-cut with indexing slots where the comp will seat against the shoulder and time the compensator. However, if you are installing this compensator on another brand of threaded barrel, additional steps and checks are necessary to ensure safe operation.

After installation, you can begin tuning the comp for optimal performance. The blast baffle is adjustable, and tuning can be done by swapping out locking rings or by adjusting the baffle size. The comp is extremely durable and should last for many rounds, but it is recommended to clean it about every 1000 rounds for optimal performance.

The Velocity Pro Tucked Comp by Killer Innovations is a top-of-the-line compensator that offers superior performance and durability. If you’re looking to improve your accuracy and reduce recoil during rapid firing, this comp is an excellent choice.


  • 7075 T6 Aluminum
  • 1.2 oz
  • 1.345″ Total length
  • .97″ wide
  • 1/2-28 Threads
  • Black Nitride finish on hardware
  • All comps come with the Reduced Port Locking Ring (read more about it here)
  • For use with 9MM only
  • Compatible with: Sig P320

Velocity Pro Tucked Comp Instructions

KI Sig P320 Compensator Notch and Dimple Drawing

Velocity Comp Tuning Info

*Due to some rolling changes in designs made by Sig, there is a chance that our parts may not be compatible with your specific gun, despite being noted as compatible with the variation.  Please test fit parts CAREFULLY to avoid damage, in case of incompatibility.  We will return or exchange undamaged parts.

Due to differences in metal composition and finishing processes, Killer Innovations cannot guarantee exact color matches among our accessory items.  For more information please see our detailed explanation.


  1. RUI LI (verified owner)

    This is exactly what I’m looking for. I’m able to build a full size P320 with my grip from X5 Legion.

  2. Jim Gundran (verified owner)

    Easy installation! Looks great w/ my compact pro cut slide & AXG grip. Very easy to tune.

  3. cedricfair (verified owner)

    Awesome comp, love the finish, looks great with the matching barrel and velocity slide, easy install and removal, great concept.

  4. Justin Lee (verified owner)

    Love the fit and finish. Shoots well and love the tuning ability on the new ones. I like how it tucks when using full size grips.

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