Complete Ar15 Bolt Carrier Group compatible with 6.8 spc ii, 224 valkyrie, 400 legend, and some 30 hrt, 35 rem, 338 spectre, 6mm woa, 24 varminter, and others. Nickel boron Finish.  Drop into your 6.8 spc ii upper.

Features:

• Nickel boron m16 Carrier
• 6.8 spc 2 Compatible Bolt face
• MPI/HPT Tested, Shot Peened
• Extractor
• Ejector
• Properly Staked Gas key with grade 8 screws
• Firing pin
• Retaining pin
• Lifetime Warranty & Made in USA