Build Your Ultimate AR-15 Rifle

As the foundational component of your rifle, the Gun Engineer AR-15 Upper Receiver delivers exceptional stability and alignment for critical accuracy. Designed for professional gunsmiths and tactical builders, this stripped receiver withstands rigorous range sessions and demanding field conditions while maintaining true-to-spec dimensions.

Forged from aerospace-grade 7075-T6 aluminum and finished with MIL-Spec Type III hardcoat anodization, it provides superior corrosion resistance and permanent surface protection that outlasts standard finishes.

Key Engineering Features:

• Mil-Spec Compliance – Guaranteed compatibility with all standard AR-15/M16 components
• 7075-T6 Aluminum Core – 30% stronger than 6061 alloys for impact resistance
• Precision CNC Machining – Tight tolerances (within ±0.002″) ensure bolt alignment
• M4 Feed Ramp System – Flawless cartridge transitions under rapid fire
• Type III Hardcoat Anodization – 500+ hour salt spray tested corrosion protection
• Dual Index Marks – Simplified handguard alignment during installation

Spécifications

| Parameter | Value |

| Material | 7075-T6 Forged Aluminum | | Finish | Type III Black Anodized | | Fitment | Mil-Spec Dimensions | | Weight | 8.5 oz (241 g) | | Dimensions | 7.3″ L x 1.6″ W x 1.1″ H | | Compatibility | AR-15, M16 Platforms | | Country of Origin| Malaysia |

Manufactured in Malaysia by Gun Engineer, ensuring precision and reliability.