The FX5500-U features Faxons 14.5" Pencil Barrel with Integral Slim 3-Port Muzzle Brake which meets the NFA 16" minimum barrel length requirement, 13" Streamline Carbon Fiber Handguard, and Lightweight Bolt Carrier Group. Super light, easy shooting and ultra-rugged, the FX5500-U never compromises strength for weight.

Features :

• 5.56 NATO Pencil Barrel with Integral 3-Port Brake
• ,Meets NFA 16" Minimum Barrel Length Requirement,
• Faxon Enhanced Forged Upper Receiver
• ,Faxon 13" Carbon Fiber M-LOK Handguard,
• Faxon Gunner Lightweight Bolt Carrier Group
• Multi-Position Adjustable Gas Block
• Enhanced Ambi Charging Handle
• Weight. 3.1 lbs