The Angstadt Arms AR-15 Bolt Carrier Group is machined from 8620 alloy steel with a QPQ black nitride finish. It features a removable weight for use with Law Tactical folding stock adapter and is compatible with both Glock and Colt 9mm AR-15 magazines. Use with a standard AR-15 hammer.
Specifications:

Type	Bolt Carrier Group
Model	AR-15
Dimensions
Size	9mm
Material	8620 Alloy Steel
Action
Trigger
Safety
Thread Pattern
Finish	QPQ Black Nitride
Bolt Type
Hand
Hammer Type
Max Capacity