SIG Sauer P365 – Tyrant TWS365 Braced Chassis – Folding PDW System
PLEASE DOUBLE CHECK DETAILS, FITMENT, MAGAZINE TYPE, AND LEGAL CONFIGURATION BEFORE PURCHASE.
The Tyrant TWS365 gives your compatible SIG Sauer P365 fire control unit and slide a compact, rigid chassis with a spring-loaded side-folding brace, removable blast shield, accessory rail, and onboard spare-magazine carrier.
You supply the P365 fire control unit and complete slide assembly. Once assembled correctly, the chassis gives you more stability, additional accessory-mounting space, and faster access to a second magazine without turning the setup into a bulky full-size platform.
Fitment matters here. The chassis may work across the broader P365 family, but it uses P365 XMacro-style magazines and has special considerations for manual-safety FCUs, aftermarket triggers, compensated slides, suppressors, and other modified configurations. Read the fitment details before ordering. Guessing on a $500 chassis is an expensive hobby.
Available Finish Options
- Black: Clean, low-profile finish that matches most factory and aftermarket P365 components.
- Gunmetal Gray: Dark metallic-gray finish with more contrast than standard black.
- Burnt Bronze: Bronze-tone finish for a more distinctive two-tone or custom build.
Fitment
- Designed around the SIG Sauer P365 fire control unit.
- Tyrant states that the TWS365 works with all P365 platform configurations, subject to the specific limitations below.
- Compatible with P365 slide and barrel lengths from approximately 3.1 inches through 6 inches.
- Designed to accommodate standard, compensated, and suppressed barrel configurations when proper clearance is confirmed.
- Compatible with compensator-cut slide configurations.
- Works with OEM and most aftermarket trigger systems, although Tyrant states that the chassis was optimized around its IntelliFire trigger.
- Manual-safety FCUs may be used only after the required safety-selector modification has been properly completed.
- The installed grip and forward magazine carrier use P365 XMacro-style magazines, including compatible XMacro/Fuse-pattern magazines. Magazines are not included.
Does NOT Fit
- Not compatible with Flux Defense 365 Raider products or components.
- Not designed around standard narrow-body P365 magazine patterns. Tyrant specifies XMacro-style magazines only.
- A manual-safety FCU is not a direct, unmodified drop-in installation.
- Do not assume every aftermarket trigger, compensator, suppressor, optic, light, or other accessory will clear the chassis without verification.
What It Does
- Adds a folding brace: The spring-loaded aluminum brace deploys through a rear-mounted button and folds against the chassis for more compact storage.
- Adds a protected forward section: The removable aluminum blast shield surrounds the forward portion of the slide and barrel while providing a bottom Picatinny accessory rail.
- Adds onboard magazine storage: The removable forward carrier holds a second XMacro-style magazine and uses an ambidextrous magazine-release control.
- Adds accessory space: The bottom Picatinny rail can support compatible lights, lasers, or other properly fitted accessories.
- Keeps the system modular: The brace, blast shield, and magazine carrier are removable, allowing the chassis to be configured around the intended role.
Why It’s Worth It
The TWS365 is built for the customer who already trusts the P365 operating system but wants more control, more mounting space, and a more stable shooting platform.
The aluminum receiver and brace provide rigidity where it matters, while the polymer grip and magazine carrier keep the complete chassis from becoming unnecessarily heavy. At a listed chassis weight of approximately 10.7 ounces, it adds capability without turning the P365 into a brick with a trigger.
The onboard magazine carrier is also more than decoration. It keeps a compatible spare magazine attached to the system and positions the release where it can be operated from either side.
Specs
- Manufacturer: Tyrant CNC
- Model: TWS365 / Tyrant Weapon System 365
- Product Type: Braced modular P365 chassis system
- Firearm Platform: SIG Sauer P365 family
- Chassis Material: Anodized 7075 aluminum
- Grip and Magazine Carrier: Proprietary polymer blend
- Brace: Removable spring-loaded side-folding aluminum brace
- Brace Operation: Rear-mounted button actuation
- Blast Shield: Removable aluminum construction
- Accessory Interface: Bottom-mounted Picatinny rail and rear Picatinny interface
- Magazine Carrier: Removable with ambidextrous release
- Magazine Pattern: P365 XMacro-style magazines only
- Supported Barrel Range: Approximately 3.1–6 inches
- Chassis Weight: Approximately 10.7 ounces
- Length, Brace Deployed: Approximately 18.75 inches
- Length, Brace Folded: Approximately 11 inches
- Height: Approximately 5 inches
- Width: Approximately 2 inches
- Finish Options: Black, Gunmetal Gray, or Burnt Bronze
What’s Included
- Tyrant TWS365 aluminum chassis receiver
- Polymer pistol grip
- Removable forward magazine carrier with ambidextrous release
- Spring-loaded side-folding aluminum brace
- Removable aluminum blast shield with bottom Picatinny rail
- Not included: P365 FCU, slide, barrel, recoil assembly, optic, magazines, ammunition, light, laser, suppressor, or other pictured accessories.
Verify Before You Buy
- Confirm that you have a compatible SIG Sauer P365 fire control unit and complete slide assembly.
- Confirm that your magazines use the P365 XMacro-style pattern. Standard narrow-body P365 magazines should not be assumed compatible.
- Determine whether your FCU has a manual safety and whether the required modification is appropriate for your setup.
- Verify aftermarket-trigger compatibility before installation.
- Check muzzle-device, compensator, suppressor, optic, and accessory clearance before firing.
Disclaimers
⚠ Trademark & Compatibility Disclaimer
IronKells Armory LLC is not affiliated with, endorsed by, or sponsored by any manufacturer mentioned. All trademarks are the property of their respective owners and are used only to identify compatibility or fitment.