The Complete AR Bolt Carrier Assembly .223/5.56 from Luth-AR is constructed from 8620 Steel, heat treated to Army Specifications with a Manganese, Phosphate or Black Nitrate finish (based on available inventory from manufacturer). 

Assembly Includes:

Bolt Carrier

Carrier Key

Firing Pin

Cam Pin

Firing Pin Retaining Pin

Bolt carrier key screws (2)

Carrier: 8620 Steel

Cam Pin: 4340 Alloy Steel

Carrier Key: 4130 Alloy Steel

Army Spec Heat Treatment

Luth-AR was founded by Randy Luth in 2013. The Luth name has earned quite a name in the firearm industry and is recognized as one of the driving forces behind the growth and expansion of the AR-15 market.

LuthAR is known for high-quality, affordable, complete AR firearms, accessories, and components.

Made in USA

One Year Warranty