AR15 Nickel Boron Nib-X Bolt Carrier Group BCG
The Ballistic Industries Full Auto Bolt Carrier Groupincludes a complete 5.56mm bolt, firing pin, carrier and gas key. The group comes fully assembled with properly torqued and staked gas key. Made for us by a mil-spec contractor.  This Bolt Carrier Group is complete and ready to drop into your new AR15 build.FeaturesNickel Boron coated Bolt and CarrierShot Peened Bolt and Carrier, MPI inspected boltFully Heat Treated to Mil Spec5.56mm Full-auto profile CarrierGas Key Hardened to USGI SpecificationsGrade 12.9 Hardened Gas Key FastenersProperly torqued and Staked Gas KeyTapered Hammer Ramp on CarrierBe sure to check us out at BallisticIndustries.com!Large quantities and wholesale pricing available.This BCG is for use in Semi Auto and Full Auto (with correct licensure) AR15s**This product will not make your AR-15 fully automatic, this is legal to own and fits AR-15 Direct Impingement rifles****As with all BCGs, you must check headspacing when installing this unit to ensure a proper and safe fit with your barrel**