Tyrant CNC TWS Folding Chassis for Sig P365 Gunmetal

Description

The Tyrant Weapon System 365 takes your Sig P365 and turns it into something far more capable than a standard micro-compact pistol. What you get is a precision-engineered PDW platform that keeps the P365 fire control unit and slide you know and trust, but adds genuine stability, control, and onboard ammunition capacity you won't find in the handgun alone.

Built with precision and purpose

This chassis uses a hybrid design combining 7075 aluminum with proprietary polymer components to balance weight savings with structural rigidity. The aluminum receiver and blast shield handle the stress points, while the polymer grip and integrated magazine holder keep things light without sacrificing durability. Every component was designed to be modular and intuitive to use. The CNC machining happens right here in Chicago, and the whole system comes with Tyrant CNC's lifetime warranty, which tells you something about how confident they are in what they built.

Features that work in the real world

The spring-loaded side-folding brace deploys instantly via a rear-mounted button and folds flush when stowed, making it genuinely compact when folded. The removable aluminum blast shield does double duty by controlling muzzle blast and providing a bottom Picatinny rail for mounting lights or lasers. The integrated dual-magazine system features an ambidextrous release, allowing you to carry up to 50 rounds total without adding external pouches or gear. This dual-magazine setup lets you carry a spare mag on the gun itself, which speeds up reloads and keeps everything self-contained.

What makes it work

The TWS chassis accepts any P365 slide and barrel you want to use, whether that's standard, XL, XMacro, compensated, or suppressed configurations with barrel lengths from 3.1 to 6 inches. Installation is straightforward—just drop in your P365 fire control unit and slide. The layout was engineered so you can deploy the brace and access magazines without disrupting optic alignment or balance. The onboard spare magazine storage and full-length rail give you customization options without the system feeling complicated. Real-world testing shows the additional contact points make shooting fast, accurate groups noticeably easier than a pistol alone, and the tight FCU fit means nothing shifts around when you're using it hard.