XF50 Complete SBR Kit – Elevate Your PS90 SBR Conversion
Transform your FN PS90 into a short-barreled rifle (SBR) with the XF50 Complete SBR Kit (formerly the Effen 90). Whether you’re customizing the XF50 Tri-Rail or the XF50 Slick Side SBR, this kit delivers precision-machined parts and top-tier components, improving both the aesthetics and performance of your firearm.
What’s Included in the XF50 Complete SBR Kit:
- Choose between the XF50 Tri-Rail Upper Receiver or XF50 Slick Side Upper Receiver: Serialized upper receiver, FFL required for purchase.
- CMMG 10.4" Barrel: Optimally designed for converting your PS90 to an SBR configuration.
- Muzzle Device Options:
- CMMG PS90 Style Compensator: A flash hider designed specifically for your SBR build.
- CMMG 1/2"x28 Thread Adapter: Easily adapt your PS90 barrel to use standard muzzle devices.
- GSL Bi-Lock Flash Hider: A quick-detach option for use with GSL suppressors.
- KeyMo KeyMicro Muzzle Device: A versatile muzzle device compatible with the Dead Air KeyMo system, offering excellent performance for your SBR.
- Extended Cocking Handle Assembly: Enhances usability and control for quick manipulation.
- Enhanced PS90 Take Down Button: Streamlines disassembly for easier and faster maintenance.
- Stainless Steel PS90 Upper Receiver Spring Set by Dorin Technologies: Built for enhanced durability and long-term performance.
Key Features of the XF50 Complete SBR Kit:
- Precision-CNC Machined Receiver: The XF50 upper receiver, made from billet 6061 aluminum, is 35% lighter than the standard factory receiver, providing superior strength and weight savings.
- Tactical Low-Profile Design: Features a monolithic structure with a 12-lug mil-spec Picatinny rail for increased accessory compatibility.
- Durable Black Anodized Finish: Provides long-lasting protection and sleek aesthetics.
- NFA-Ready: This kit is tailored for NFA-compliant SBR builds, and we provide the information you need to apply for your federal tax stamp, making it the perfect solution for upgrading your PS90.
Why Choose the XF50 Complete SBR Kit?
- Superior Build Quality: Crafted from billet 6061 aluminum, this receiver offers enhanced strength and durability while remaining lightweight compared to the factory cast receiver.
- Complete SBR Conversion Kit: Everything you need for a complete upper assembly is included, simplifying the build process.
- Ideal for NFA-Compliant Builds: Whether you're upgrading your factory receiver or starting from scratch, this kit helps you achieve a compliant, high-performance SBR.
Take Your PS90 to the Next Level with the XF50 Complete SBR Kit
Upgrade your PS90 with the XF50 Complete SBR Kit and enjoy top-of-the-line components, superior engineering, and a streamlined SBR conversion process. Order Now to experience next-level performance.
Important Compliance Information:
This kit requires an ATF tax stamp to legally convert your firearm into an SBR. The cost of the tax stamp is not included in this kit. We provide all the information you need to apply and pay for your $200 federal tax stamp. For more details, visit ATF.gov. Professional installation is recommended for optimal performance and compliance.