Brigand Arms Pic Rail - AR15/AR10 2.5 in. Great for all accessory attachments these Picatinny Rails by Brigand Arms are compatible with all BA handguard models. The lightweight and high quality BA Handguard Accessory Kit includes a wrench and 5 notches you can utilize to place additional attachments. However please not that this product is not recommended when trying to attach back-up iron sights. Expand the customization and functionality of your BA handguard with the Brigand Arms Rail Attachment for AR-15/AR-10. Specifications for Brigand Arms Pic Rail - AR15/AR10: Manufacturer: Brigand Arms Color: Black Gun Model: AR-10 AR-15 Length: 2.5 in Package Contents: Brigand Arms Custom Rail Segment for AR 15/AR 10 Brigand Arms BR-2: Pic Rail - AR15/AR10 2.5 in