Troy A3 Complete Uppr 556 16

The Troy A3 Complete Upper Receiver for 5.56 NATO with a 16-inch barrel is a lightweight, low-profile upper assembly designed for military, law enforcement, and serious AR-platform operators. This complete upper receiver is engineered to meet the rigorous demands of tactical environments.

Constructed from hardened aircraft aluminum with MIL-SPEC hardcoat anodizing, this upper receiver combines precision machining with rugged durability for sustained field use. The integrated M-LOK Battlerail handguard system provides a modular mounting platform without excess bulk, allowing for tool-free attachment of standard-pattern tactical accessories such as lights and grips.

This configuration is ideal for patrol officers, tactical team members, and AR-15 builders who prioritize modularity and field reliability. The 16-inch barrel length optimizes 5.56 NATO velocity while ensuring practical handling in various scenarios. The A3 platform serves as a proven baseline for operators integrating optics and mission-specific accessories.