The Builder Series features a mil-spec picatinny top rail paired with the Magpul M-LOK modular accessory attachment system. This rail is made from 6061 Aluminum and features a Type III Class 2 Hard Coat anodized finish which will match your AR-15 upper receiver perfectly.
|Condition||New in Box|
|Finish Per Color||Black|
|Manufacturer Part Number||2A-BSHG-7|