Obsidian Arms 15C Upper Receiver Billet Black Hardcoat - OA-15C-UR-BLK

Elevate your AR-15 build with the Obsidian Arms 15C Upper Receiver Billet in Black Hardcoat—a precision-engineered component designed for enthusiasts seeking superior strength and reliability. Crafted from high-grade billet aluminum, this upper receiver delivers unmatched durability and a custom fit that enhances performance in demanding shooting scenarios.

Key Features

• Premium Material Construction: Machined from 7075 T6 aluminum billet for exceptional strength—65% stronger than standard 6061 alloys—ensuring longevity under heavy use.
• Enlarged Ejection Port: Accommodates big bore calibers, reducing malfunctions and improving reliability during rapid fire or with larger cartridges.
• Black Hardcoat Anodizing: MIL-A-8625 Type III Class 2 finish provides corrosion resistance and a sleek, professional appearance that withstands harsh environments.
• Standard AR-15 Compatibility: Works seamlessly with any mil-spec AR-15 barrel, handguard, and components, making it ideal for custom builds without compatibility headaches.
• Unique Aesthetic Design: Billet machining offers a refined, custom look that sets your rifle apart from forged alternatives, appealing to builders who value both form and function.

Specifications

• Material: 7075 T6 Aluminum Billet
• Finish: Black Hardcoat Anodized (MIL-A-8625 Type III Class 2)
• Weight: 8.8 oz
• Overall Length: Approximately 7.65 inches
• Caliber Compatibility: Universal for AR-15 pattern firearms
• Receiver Type: Stripped Upper Receiver

Why Choose the Obsidian Arms 15C Upper Receiver?

For AR-15 builders tired of generic forged receivers that compromise on precision, the 15C Billet Upper addresses common pain points like fit inconsistencies and limited durability. Its billet construction minimizes flex and tolerances, resulting in tighter groupings and smoother operation. Whether you’re a competitive shooter needing reliability under stress or a hunter requiring a lightweight yet robust setup, this upper enhances accuracy and reduces wear on your firearm. Backed by Obsidian Arms’ commitment to quality, it outperforms competitors in strength-to-weight ratio, helping you build a rifle that performs flawlessly in the field or at the range.

Ready to upgrade your AR-15? Integrate the Obsidian Arms 15C Billet Upper Receiver into your next build for a component that combines tactical prowess with everyday dependability. Experience the difference precision engineering makes—your rifle deserves it.

Frequently Asked Questions

Is the Obsidian Arms 15C Upper Receiver compatible with mil-spec parts?

Yes, this upper receiver is fully compatible with standard mil-spec AR-15 components, including barrels, bolts, and handguards, ensuring easy integration into your existing build.

What makes billet receivers better than forged ones?

Billet receivers like the 15C are machined from a solid block of aluminum, offering tighter tolerances, enhanced strength, and a more customized appearance compared to forged options, which are ideal for high-performance applications.

Does the black hardcoat finish provide adequate protection?

Absolutely—the MIL-spec hardcoat anodizing resists corrosion, scratches, and wear, making it suitable for rugged outdoor use and maintaining its look over time.