---
title: "Polite Society Industries 5.56 Titanium Silencer"
description: "Full-size 5.56 silencer made from Grade 5 titanium, with a 1.375x24 HUB interface, 5.00\" length, and 6.40 oz weight."
canonical_url: "https://www.kygunco.com/product/polite-society-fortitude-5.56-ti-titanium-silencer"
meta:
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  "og:description": "Full-size 5.56 silencer made from Grade 5 titanium, with a 1.375x24 HUB interface, 5.00\" length, and 6.40 oz weight."
  "og:image": "https://cdn.kygunco.com/assets/products/316426/thumbnail.jpg?v=1787166095"
  "og:image:height": "500"
  "og:image:width": "500"
  "og:title": "Polite Society Industries 5.56 Titanium Silencer"
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PLT-556TI-001

![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/316426/main.jpg?v=1787166095)

For illustration purposes only, this image may not be an exact representation of the product.

# POLITE SOCIETY Fortitude 5.56 TI Titanium Silencer

The Fortitude is a full-size 5.56 silencer made entirely from Grade 5 titanium. It features Tripass Core Technology, reduced backpressure, a HUB-compatible 1.375x24 interface, and a 1/2x28 direct-thread mount with an integrated flash-hiding brake. The silencer measures 5.00 inches long and weighs 6.40 ounces.

$600

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Item #

316426

Style

PLT-556TI-001

UPC

850089397016

Condition

New

Manufacturer

[Polite Society Industries](https://www.kygunco.com/brand/polite-society)

Model

Fortitude

Caliber

5.56 NATO

Material

Titanium

Weight

6.4 oz

Action

Silencer

Fortitude is strength that doesn't announce itself. Crafted entirely from Grade 5 titanium, this full-size 5.56 suppressor brings substantial sound reduction with minimal added weight, making it easy to leave mounted and forget it's there. The Tripass Core Technology and reduced-backpressure design work together to keep gas moving forward, limiting blowback while preserving the balanced handling of your rifle. Quiet where it matters, adaptable where it counts.

FEATURES

- Tripass Core Technology utilizes three gas paths and multiple expansion chambers to disrupt and cool gases while minimizing backpressure
- Integral reduced-backpressure endcap helps direct gas forward to reduce blowback at the shooter
- Acoustic Golfball Dimpling increases internal volume and deepens tone without additional overall length
- Jet-Turbine Diffuser Endcap disperses hot gases to reduce flash and muzzle signature
- HUB-compatible interface supports a wide range of industry-standard mounting systems
- Included direct-thread mount features an integrated flash-hiding brake design
- Integrated wrench flats allow installation and removal with standard tools

SPECIFICATIONS

- Caliber Compatibility: .223 Remington / 5.56 NATO
- Mount Interface: 1.375x24 HUB
- Included Mount: 1/2x28 Direct Thread with Integrated Flash Hider
- Length: 5.00"
- Diameter: 1.69"
- Weight: 6.40 oz
- Material: Grade 5 Titanium (6Al-4V)
- Construction Method: Laser Powder Bed Fusion
- Finish: Type II Hard Coat Anodized
- Mount Material: 17-4 Stainless Steel

**

WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov).

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