4BROS Kimber DS Warrior RaceCar Appendix Rig – IWB Sidecar Holster for Kimber DS Warrior Pistols
Built for comfort, concealment, and adaptability. The 4BROS Kimber DS Warrior RaceCar Appendix Rig is a premium Kydex IWB (Inside Waistband) appendix sidecar holster system designed specifically for the Kimber DS Warrior 5" Double Stack 1911. Featuring adjustable sidecar spacing, a flexible injection-molded adapter system, and customizable ride height and cant adjustments, this appendix holster is engineered to improve comfort, reduce printing, and provide a more natural fit for everyday concealed carry (EDC).
Why Choose the 4BROS RaceCar Appendix Rig?
- Purpose-built for Kimber DS Warrior pistols
- Premium Kydex construction with precision-molded fit
- Adjustable sidecar spacing for enhanced comfort
- Compatible with popular red dot optics and suppressor-height sights
- Available for supported weapon-mounted lights
- Proudly made in the USA
Designed for Comfortable Appendix Carry
The 4BROS RaceCar Injection-Molded Appendix Adapter Plate is engineered to flex and articulate with the body's natural contours and movement. This flexibility helps reduce common pressure points associated with appendix carry while allowing the holster to conform more naturally against the body for enhanced concealment and long-term comfort.
Quick Overview
- Flexible 4BROS RaceCar Injection-Molded Appendix Adapter Plate
- Adjustable spacing between holster and magazine carrier
- Adjustable cant and ride height for both holster and mag carrier
- Designed for all-day concealed carry, seated comfort, and everyday movement
- Compatible with red dot optics and suppressor-height sights
- Retention indexed on supported weapon-mounted lights
- Made in the USA
Equipped with Discreet Carry Concepts 1 Series Overhooks and a Modwing concealment wing, the RaceCar Appendix Rig is designed to provide a secure connection to the belt while helping rotate the pistol grip closer to the body for improved concealment and reduced printing.
Information on the belt attachments used for the 4BROS RaceCar Appendix Rigs can be found through our Inside Waistband Attachments Blog article.
Unlike traditional fixed sidecar holsters that can feel rigid during daily carry, the RaceCar Appendix Rig uses a flexible 4BROS RaceCar Injection-Molded Appendix Adapter Plate to connect the holster and magazine carrier. This articulated design allows the system to flex naturally with the body while improving comfort, concealment, and mobility during daily movement, seated carry, and extended wear.
Key Features
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4BROS RaceCar Injection-Molded Appendix Adapter Plate – Lightweight, durable, and engineered to provide flexibility without sacrificing support. The adapter plate twists and articulates with the body's natural angles and curves to improve comfort and concealment during appendix carry.
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Adjustable Sidecar Spacing – Customize the distance between the holster and magazine carrier to optimize concealment, comfort, and carry positioning for different body types and carry preferences.
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Adjustable Cant & Ride Height – Fine-tune the draw angle and carry height of the holster to improve concealment, reduce firearm printing, and establish a consistent draw stroke.
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Adjustable Magazine Carrier Height & Cant – Customize the magazine carrier's ride height and angle to improve accessibility, comfort, and concealment.
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Optimized for Daily Carry – Designed to reduce hot spots and pressure points commonly associated with appendix carry while providing exceptional comfort for everyday concealed carry and extended EDC use.
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Below-the-Beltline Bridge Design – The connection point between the holster and magazine carrier is positioned below the beltline to improve concealment, reduce rigidity across the beltline, and allow the system to flex more naturally with the body during movement and seated carry.
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Retention on the Light (Light-Bearing Models) – Compatible weapon-mounted light configurations provide secure retention, repeatable indexing, and consistent draw performance.
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Precision-Molded Kimber DS Warrior Fit – Each holster is custom-formed to the exact firearm and weapon light combination selected to ensure proper retention, clearance, and reliability.
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Optics Ready Design – Compatible with most modern pistol-mounted red dot optics commonly used on Kimber DS Warrior pistols, including many optics that slightly overhang the sides of the slide.
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Suppressor Height Sight Compatible – Compatible with most standard and suppressor-height iron sights used on modern defensive pistols.
Information on available holster color options is available in our Holster Colors Guide.
View additional compatible appendix carry options in the 4BROS RaceCar Appendix Rig Collection.
Precision Fitment for Kimber DS Warrior Pistols
Pistol Fitment: Each holster is precision-formed to the exact Kimber DS Warrior or pistol/light combination selected from the dropdown menu to ensure proper fit and retention.
Magazine Carrier: The included magazine carrier is compatible with your selected firearm platform and features adjustable retention via a side-mounted tension screw.
Optics Compatibility: The holster profile is cut to clear most modern pistol-mounted red dot optics for Kimber DS Warrior pistols, including those that slightly overhang the sides of the slide.
Made in the USA
The 4BROS Kimber DS Warrior RaceCar Appendix Rig is proudly manufactured in Logansport, Indiana using premium materials, precision CNC-cut components, and purpose-built forming processes.
Pro Tip: Apply a removable thread locker to all hardware screws after final adjustment to help prevent loosening over time.
Supported Kimber Pistols
The 4BROS Kimber DS Warrior RaceCar Appendix Rig is available for Kimber DS Warrior pistol and supported weapon-mounted light combinations. Each holster is precision-molded to the exact firearm or firearm-and-light configuration selected from the dropdown menu to ensure secure retention, proper clearance, and dependable everyday concealed carry performance.
Light-bearing RaceCar Appendix Rig models retain on the weapon-mounted light instead of the pistol frame. This provides consistent retention, repeatable indexing, and a predictable draw across supported Kimber DS Warrior firearm-and-light combinations.
- Kimber DS Warrior 5" + X300U (A&B) or X300T (A&B)
- Kimber DS Warrior 5" + TLR-1 HL/HP
The Streamlight TLR-1 HL and TLR-1 HP are dimensionally identical, allowing both weapon lights to fit the holster of this RaceCar Appendix Rig perfectly.
The holster of this RaceCar Appendix Rig is not compatible with the Streamlight TLR-1 HL-X or TLR-1 HP-X.
Compatible Light Available from Four Brothers
Compatible Kimber pistol configurations using the SureFire X300U-B weapon light feature secure light-based retention for consistent performance and repeatable indexing.
Frequently Asked Questions
What is the 4BROS Kimber DS Warrior RaceCar Appendix Rig?
The RaceCar Appendix Rig is an IWB (Inside Waistband) sidecar-style appendix holster designed specifically for Kimber DS Warrior pistols. It features adjustable spacing between the holster and magazine carrier for improved comfort, concealment, and customization.
What makes the RaceCar Appendix Rig different from traditional sidecar holsters?
Unlike fixed sidecar designs, the RaceCar Appendix Rig uses a flexible 4BROS RaceCar Injection-Molded Appendix Adapter Plate that allows the holster and magazine carrier to move naturally with the body. This improves comfort during movement, seated carry, and extended daily wear.
What pistols and lights does this holster support?
Each holster is custom-built to the exact Kimber DS Warrior 5" pistol and supported weapon-mounted light selected from the dropdown menu to ensure proper fit and retention.
How does retention work?
For light-bearing configurations, retention is indexed on the weapon-mounted light. Non-light-bearing models retain directly on the firearm. Magazine retention is adjustable using the side-mounted tension screw.
Is the holster adjustable?
Yes. Both the holster and magazine carrier feature adjustable cant and ride height. The spacing between the components is also adjustable to help optimize comfort and concealment.
Will this holster work with red dot optics?
Yes. The holster profile is cut to clear most modern pistol-mounted red dot optics commonly used on Kimber DS Warrior pistols, including many optics that slightly overhang the sides of the slide.
What if my Kimber DS Warrior configuration is not listed?
If your pistol or weapon light configuration is not shown, contact the 4BROS holster support team. Additional configurations may already be supported or under evaluation.
