The UIC-10A is the American Defense AR-10 Platform, large caliber, long range precision rifle. The UIC-10A features all of the standard Patented Fully Ambidextrous controls from their UIC-15 line of rifles. These rifles are available in 16", 18" or 22" barrel lengths in .308 Winchester or 6.5 Creedmoor chamberings. The UIC-10A line of rifles are built with a Criterion Barrels precision match grade barrel. The American Defense UIC-10A was designed around the SR-25 pattern receivers.Features :Aircraft Grade Billet Aluminum Lower and Upper ReceiverHard Coat Type 3 Mil-Spec Anodized"16" Criterion 308 Winchester Barrel"308 Enhanced Bolt Carrier GroupRifle-length Gas System"15" M-LOK Handguard"SLR Sentry 7 Adjustable Gas BlockRaptor Ambidextrous Charging HandleMagpul SL Buttstock