Enhance Your Primary Weapons Systems UXR with the 1913 Picatinny Adapter
Transform your Primary Weapons Systems UXR platform into a fully customizable tactical system with our premium 1913 Picatinny rail adapter. Engineered specifically for the UXR chassis, this adapter provides a robust mounting solution for optics, lasers, lights, and other essential accessories. Whether you’re building a precision rifle, tactical carbine, or competition firearm, this adapter delivers the reliability and compatibility you need for optimal performance.
Key Features and Benefits
- Precision Machined Construction: Crafted from high-grade 6061-T6 aluminum with a hard-anodized finish for exceptional durability and corrosion resistance in all weather conditions.
- MIL-STD-1913 Compliant: Meets military specifications for Picatinny rail standards, ensuring perfect compatibility with thousands of accessories from leading manufacturers.
- Secure Mounting System: Features precisely threaded holes and mounting hardware for rock-solid attachment that maintains zero even under heavy recoil.
- Lightweight Design: Adds minimal weight to your firearm while providing maximum utility, preserving the UXR’s balanced handling characteristics.
- Easy Installation: Simple drop-in design requires no gunsmithing or permanent modifications to your UXR chassis.
Technical Specifications
This adapter is specifically engineered for the Primary Weapons Systems UXR modular chassis system. The mounting interface matches the UXR’s proprietary attachment points while providing a standard 1913 Picatinny rail section for universal accessory compatibility. The rail section features precisely spaced cross-slots at standard 0.206-inch intervals for secure accessory mounting.
Compatible Accessories
- Red dot sights and holographic optics
- Magnified rifle scopes with Picatinny mounts
- Tactical flashlights and weapon lights
- Laser aiming modules and IR devices
- Bipods, foregrips, and other tactical accessories
Why Choose Texas Gun Store?
At Texas Gun Store, we combine firearms expertise with exceptional customer service. Our team includes experienced shooters and gunsmiths who understand your needs and can provide knowledgeable support. We carefully select every product in our inventory for quality and reliability, and we stand behind everything we sell with our satisfaction guarantee. When you shop with us, you’re not just buying a product—you’re gaining a trusted partner in your shooting journey.
FAQ: Why Buy from Texas Gun Store?
- Expertise: Our staff includes competitive shooters, hunters, and firearms professionals with real-world experience.
- Quality Assurance: We personally test and verify products whenever possible to ensure they meet our high standards.
- Customer Support: Get knowledgeable answers to your technical questions from people who actually use these products.
- Fast Shipping: Most orders ship within 24 hours from our Texas facility.
- Satisfaction Guarantee: We stand behind every product we sell with our commitment to your complete satisfaction.
Ready to upgrade your UXR? Visit Texas Gun Store for more premium firearms accessories and expert advice.



| Material | 6061-T6 Aluminum |
| Finish | Hard-Anodized Black |
| Rail Standard | MIL-STD-1913 Picatinny |
| Compatibility | Primary Weapons Systems UXR Chassis |
| Mounting Type | Direct bolt-on installation |
| Weight | Approximately 2.5 ounces |
| Dimensions | Varies by specific model (typically 2-4 inch rail section) |
| Slot Spacing | Standard 0.206-inch cross-slot intervals |





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