AR-15 .223/5.56 Rifle Starter Build with Upper, Bolt and Barrel

Specifications

• AR-15 .223/5.56
• 16" Socom Profile Chrome-moly Barrel
• 1 in 7" twist
• M4 feed ramps
• Mid-length gas system
• Optics ready flat top receiver
• Low profile gas block
• M16 bolt carrier group
• Mil-spec
• Aluminum upper receiver by Radical Firearms
• Non-ambidextrous lower receiver by GPI Custom Gun Works
• Integral trigger guard