Failzero Lightweight Bolt Carrier Group
Carrier Weighs 6.4 oz/ complete BCG weighs 9.2 oz
Compatible with all MilSpec AR Platforms
Components are EXO NIB
Compatible with 5.56, .223 and .300...
Always Armed 9MM Bolt Carrier Group
Made in the USA
Black Nitride Finish
8620 Steel Carrier
17-4 Stainless Steel Firing Pin
Ramped and Compatible with Standard AR15 Hammer
Works with Both...