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Polite Society Industries Fortitude 5.56 HD Suppressor, 5" Inconel, Cerakote, HUB
The Polite Society Industries Fortitude 5.56 HD is an Inconel 625 rifle suppressor for .223 Remington and 5.56 NATO, finished in Cerakote. Its 5-inch length and 1.69-inch diameter keep the profile compact, while the 11.50-ounce construction emphasizes a material suited to demanding heat exposure. The HUB-compatible base includes a 1/2x28 direct-thread mount, and the Jet-Turbine Diffuser Endcap manages gas release at the muzzle.
The Fortitude 5.56 HD brings a heat-focused material choice to a dedicated .223/5.56 configuration. It suits a rifle used for frequent range sessions where the suppressor's alloy is an important part of the purchase decision. The included mount and clearly defined HUB interface help simplify selection for a compatible host.
Shop the Fortitude 5.56 HD at BattleHawk Armory and select a suppressor matched to your intended host.
Inconel 625 with Cerakote Finish
Inconel 625 is a nickel-based alloy selected for strength under heat and repeated thermal exposure. Cerakote provides the exterior coating. This combination gives the Fortitude HD a specialized construction for demanding rifle use within its operating limits.
Laser powder bed fusion forms the suppressor body as one continuous metal structure. This manufacturing method accommodates specialized internal features while keeping the construction compact.
Size and Weight for Your Setup
The Fortitude 5.56 HD combines a 5-inch length and 1.69-inch diameter with an 11.50-ounce weight. Its compact profile suits a dedicated .223/5.56 range rifle, while the Inconel alloy prioritizes strength under heat. When comparing configurations, consider both the added muzzle weight and the material requirements of your intended shooting routine.
Tripass Core and Internal Acoustic Texture
Tripass Core Technology routes gases through multiple internal paths to support cooling and pressure reduction. Acoustic Golfball Dimpling adds internal surface texture and volume while retaining the stated external dimensions.
Jet-Turbine Diffuser Endcap
The Jet-Turbine Diffuser Endcap disperses gas as it exits the muzzle end of the suppressor. Its purpose is to moderate the release of hot gases and help reduce flash and muzzle signature, complementing the internal sound-reduction features.
HUB Interface and Included Direct-Thread Mounts
The 1.375x24 HUB-compatible base provides a defined rear mounting interface. A 1/2x28 direct-thread mount is included for a compatible threaded muzzle. Those two thread specifications describe different interfaces: HUB at the suppressor body and 1/2x28 at the firearm. This distinction is useful when selecting an alternate mount or confirming an existing host setup.
Caliber and Host Compatibility
Compatibility is centered on .223 Remington and 5.56 NATO. Confirm the firearm's 1/2x28 muzzle threads before using the supplied direct-thread mount. When selecting a different HUB mount, its host interface and caliber clearance must also be appropriate. Heat-resistant construction does not replace cartridge, barrel-length or firing-schedule requirements; follow the operating limits for the exact configuration.
Included Components
- Fortitude 5.56 HD suppressor
- 1x 1/2x28 direct-thread mount
Product Specifications
- Manufacturer: Polite Society Industries (PSI)
- Model: Fortitude 5.56 HD
- UPC: 085008939702
- Product type: Rifle suppressor
- Material: Inconel 625
- Finish: Cerakote
- Length: 5.00 inches
- Diameter: 1.69 inches
- Weight: 11.50 ounces
- Caliber coverage: .223 Remington and 5.56 NATO
- Included direct-thread mount(s): 1/2x28
- Rear interface: 1.375x24 HUB compatible
- Endcap: Jet-Turbine Diffuser
Frequently Asked Questions
What is the Fortitude HD made from?
The suppressor uses Inconel 625, measures 5 inches long and 1.69 inches in diameter, and weighs 11.50 ounces.
Is a mounting adapter included?
Yes. A 1/2x28 direct-thread mount is included, and the rear interface is 1.375x24 HUB compatible.
Which exterior finish is included?
The Fortitude 5.56 HD has a Cerakote finish over its Inconel 625 construction.
Purchase the Polite Society Industries Fortitude 5.56 HD at BattleHawk Armory for a compact Inconel 625 suppressor with Cerakote finish, HUB compatibility and an included 1/2x28 mount. Choose it for a .223/5.56 rifle setup that places a priority on material performance under heat.
| Manufacturer | PSI Polite Society Industries |
| Model | Fortitude 5.56 HD |
| UPC | 850089397023 |
| SKU | 556IN-001 |


