Obsidian Arms 9C Pistol Caliber Billet Upper Receiver Black - OA-9C-UR-BLK

Upgrade your AR-15 build with the Obsidian Arms 9C Pistol Caliber Billet Upper Receiver in Black, engineered for precision and performance in pistol caliber carbine setups. Crafted from premium 7075-T6 billet aluminum, this lightweight upper delivers exceptional durability without the bulk, allowing you to focus on accuracy and control during extended shooting sessions. Ideal for enthusiasts building 9mm or rimfire platforms, it provides seamless compatibility and reliable function, transforming your firearm into a versatile, high-efficiency shooter.

Key Features

• High-Quality Construction: Machined from 7075-T6 billet aluminum for superior strength and resistance to wear, ensuring long-term reliability in demanding conditions.
• Lightweight Design: At just 9.3 ounces, it reduces overall weight to minimize fatigue and improve handling, perfect for dynamic range use or competitive shooting.
• Versatile Compatibility: Designed specifically for pistol calibers like 9mm and rimfire cartridges, it integrates effortlessly with standard AR-15 lowers, supporting blowback systems without the need for gas adjustments.
• Sleek Black Anodized Finish: Corrosion-resistant coating enhances aesthetics while providing added protection against environmental elements.
• Precision Machining: Tight tolerances ensure smooth operation with charging handles, bolt carriers, and handguards, optimizing your build’s performance.

Technical Specifications

• Material: 7075-T6 Billet Aluminum
• Weight: 9.3 oz
• Finish: Black Hard Coat Anodized
• Compatibility: AR-15 pattern lowers; pistol calibers (e.g., 9mm) and rimfire
• Style: Stripped Billet Upper Receiver

Why Choose the Obsidian Arms 9C Upper Receiver?

For shooters frustrated with heavy, unreliable uppers in pistol caliber builds, the 9C solves common pain points like excess weight and compatibility issues. Its billet construction offers a balance of strength and lightness, making it easier to maneuver during rapid fire or prolonged training. Unlike forged alternatives, this CNC-machined piece provides enhanced rigidity for better accuracy, while its dedicated design eliminates the guesswork in PCC conversions. Whether you’re assembling a home defense carbine or a plinking rifle, this upper elevates your setup with professional-grade quality that stands up to rigorous use.

Ready to enhance your firearm’s potential? The Obsidian Arms 9C Billet Upper Receiver is your gateway to a more efficient, enjoyable shooting experience. Build with confidence and shoot with precision—order yours today and feel the difference in every round.

Frequently Asked Questions

Is the Obsidian Arms 9C compatible with my existing AR-15 lower?

Yes, this upper is designed to pair seamlessly with standard mil-spec AR-15 lowers. It supports pistol caliber blowback systems, but always verify your lower’s compatibility for optimal function.

What calibers does the 9C Upper Receiver support?

It’s optimized for pistol calibers such as 9mm and various rimfire options, making it versatile for multiple build configurations without requiring modifications.

Does this upper come with any additional parts?

This is a stripped billet upper receiver, so it does not include internals like the bolt carrier group or charging handle. It’s ready for customization to suit your specific needs.