Transform your AR15 with the Faxon ARAK-21 Complete Upper featuring a 16" 5.56 NATO barrel. This innovative upper receiver offers a gas piston system for cleaner, cooler operation and enhanced reliability. The 16" barrel provides an optimal balance of velocity and maneuverability. The ARAK-21 design features a non-reciprocating, ambidextrous charging handle and a quick-change barrel system for easy caliber conversions. Compatible with standard AR15 lower receivers, this upper installs easily with just two pins. The full-length top rail provides ample space for optics and accessories.

Features and Specifications:

• Caliber: 5.56 NATO
• Barrel Length: 16 inches
• Operating System: Long-stroke gas piston
• Upper Material: 7075-T6 aluminum
• Finish: Type III hard coat anodized
• Charging Handle: Non-reciprocating, ambidextrous
• Rail System: Full-length top Picatinny rail
• Compatibility: Standard AR15 lower receivers
• Includes: Complete upper, charging handle, bolt carrier group
• Made in the USA