Icarus Precision ACE 365 311 FUSE Grip Module IWB Holster
This precision-fit Inside-the-Waistband (IWB) holster is engineered specifically for the Icarus Precision ACE 365 311 FUSE paired with the P365-FUSE factory slide. It delivers a secure fit, smooth draw, and discreet everyday concealment.
This holster is designed to work with the factory slide. Any aftermarket slide design variations from the OEM slide dimensions will affect the holster fit and retention.
Learn more about the compatible grip module at Icarus Precision ACE 365 311 FUSE product page.
Fit & Compatibility
- Compatible with SIG manual safety models.
- Designed for all right-hand and left-hand Thumb Ledge Style variants of the Icarus ACE 365 311 grip module.
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Not compatible with other Icarus metal or Air Polymer grip modules.
Product Highlights
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Precision fit – Vacuum-formed on a CNC-machined mold from a CAD model of the firearm for consistent retention.
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Red-dot ready – Optic cut to clear popular slide-mounted red dots.
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Suppressor-sight compatible – Accommodates sights up to 0.400" (10 mm) in height.
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Adjustable retention – Fine-tune draw tension to your preference.
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Adjustable cant & ride height – Dial in carry angle and holster depth.
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ModWing option – Reduces printing and boosts concealment; includes two insert options.
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Full sweat guard – Improves comfort and protects the firearm.
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Open muzzle design – Compatible with threaded barrels and compensators.
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Smooth, rounded edges – All-day comfort with minimal hot spots.
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Phlster Enigma compatible – 100% compatible with the Phlster OS Enigma mounting pattern.
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Made in the USA – Proudly built in Logansport, Indiana.
Setup & Maintenance
After adjusting retention, cant, and ride height, apply a removable thread locker to each screw to help prevent hardware loss during daily carry.
Magazine Carriers
Helpful Resources
Frequently Asked Questions
Will this fit the Icarus metal grip module?
No. This model is built for the Icarus Precision ACE 365 311 FUSE and is not compatible with other Icarus metal or Air Polymer grip modules.
Is it compatible with the Phlster OS Enigma?
Yes. It mounts using standard IWB hole spacing and is fully compatible with the Phlster OS Enigma platform.
Which red-dot optics will clear?
The holster is cut to clear most popular micro red dots used on the P365 footprint, such as the Holosun 507K and SIG RomeoZero, among similar optics.
What if I don’t see my exact configuration?
Contact our team and we’ll help you confirm the best fit for your setup.
