Bravo's BCM Picatinny Rail section is made of a lightweight impact resistant polymer. Features a snag resistant design, while retaining Mil standards, M-Lok compatible and is made to the Mil-Standard 1913 Picatinny Arsenal specifications.
Specifications:

Type	1-Piece Base
Model	BCM
Dimensions
Size
Material	Aluminum
Action
Trigger
Safety
Thread Pattern
Finish	Black Hard Coat Anodized
Bolt Type
Hand
Hammer Type
Max Capacity