Rost Martin RM1F IWB Holster

Rost Martin RM1F IWB Holster The Four Brothers Inside Waistband (IWB) Holster for the Rost Martin RM1F is engineered for concealed carriers who demand dependable retention, all-day comfort, and fast access. Precision-molded specifically for the Rost Martin RM1F, this holster delivers a secure fit with a slim profile that reduces printing during concealed carry.  Learn more about the Rost Martin RM1F pistol. Built for daily carry performance, this Rost Martin RM1F holster features adjustable retention, customizable ride height and cant, and compatibility with modern pistol enhancements, including red dot optics and suppressor-height sights. Key Features Precision Molded Fit: Custom-formed specifically for the Rost Martin RM1F to ensure excellent retention and a smooth, consistent draw. Minimalist, Low-Profile Design: Reduces printing for discreet concealed carry under any clothing. Fully Adjustable: Tune your draw tension, ride height, and cant for personalized comfort and accessibility. Comfort-Driven Construction: Built from durable .093" thermoplastic that’s lightweight and slim for all-day wear. Secure Belt Attachment Options: Compatible with multiple clip styles for a stable, reliable carry on any belt setup. Optic & Suppressor-Height Sight Compatible: The holster profile is cut to clear most red dot sights, including optics that overhang the side of the slide. Full Sweat Guard: Protects your firearm and enhances comfort during extended use. Optional Modwing System: Includes two interchangeable inserts for adjustable concealment leverage against the belt, minimizing printing. Proudly made in the USA with precision craftsmanship and attention to detail. Concealed Carry Performance The minimalist holster profile keeps bulk to a minimum while maintaining durability and secure retention. Whether used for appendix carry or strong-side carry, the Rost Martin RM1F IWB holster is designed to stay stable and comfortable throughout daily movement. The optional Modwing attachment includes two inserts, allowing users to fine-tune concealment leverage against the belt for reduced printing and improved concealment. Belt Attachment Information Learn more about available carry clips and mounting options in our belt attachment guide: Inside Waistband Holster Belt Attachment Guide Modwing Installation Instructions For setup guidance and adjustment tips, view our Modwing installation instructions and video tutorial: Modwing Installation Instructions We have a kit available should you need to remove the modwing that includes  (2) 3/8" Screws, (2) 1/4" Rubber Spacers, and (2) 1/4" Threaded Posts which can be purchased HERE. Holster Color Options Explore available Kydex colors and patterns using our holster color guide: Holster Color Guide Complete Your Carry Setup Complete your concealed carry setup with purpose-built accessories designed for comfort, concealment, and everyday use. 4Bros Holster Wedge — Designed to improve concealment and comfort by helping angle the firearm grip closer to the body while reducing pressure points during IWB carry. Additional Notes We strongly recommend applying a removable thread locker to all holster screws after receiving your holster to help prevent screws from loosening during regular use. Proudly made in the USA. Frequently Asked Questions Will this holster fit the Rost Martin RM1F specifically? Yes. This holster is precision-molded specifically for the Rost Martin RM1F to provide proper retention, fitment, and draw consistency. Is this an appendix carry holster? Yes. The slim profile and adjustable cant make this holster well-suited for appendix carry as well as other Inside Waistband carry positions. Does this holster support red dot optics? Yes. The holster profile is cut to allow compatibility with most popular pistol red dot optics. Can I use suppressor-height sights with this holster? Yes. The holster is designed to clear suppressor-height sights commonly used on modern defensive pistols. What material is used to make this holster? This holster is made from durable .093" thermoplastic for long-term strength, retention consistency, and lightweight concealed carry comfort.