The Brigand Arms custom rail section is great for all accessory attachments, with the exception of back up iron sights.

Features and Specifications:
Manufacturer Number: BR-2
Length: 2.5"
Material: Polymer with Aluminum Backing Plate
Weight: 0.26 oz.
Slots: Five
Color: Black

Includes:
Hex Wrench.

Fits:
All BA handguard models.