The LBE M16 Complete Bolt Carrier Group comes assembled and ready to go. Features include: Phosphate 8620 Steel Carrier" Carpenter 158 Bolt (Extractor and Bolt Gas Rings Included)" Chrome Lined Carrier Interior" Chrome Lined Gas Key" Staked Gas Key Screws. Made in the USA.

Features :

• Fits AR-15
• Complete M16 BCG
• Made in the USA