BCM® 4 inch Picatinny Rail Section, Aluminum (M-LOK® Compatible*)
- Rail section is made of Hard Anodized Aircraft Aluminum Alloy.
- Made to the Mil-Standard 1913 Picatinny Arsenal Specifications.
- Features a Snag resistant design, while retaining Mil-Standards.
- M-LOK Compatible.
* M-LOK® is a registered trademark of Magpul Industries Corp.
https://www.magpul.com/ip