Fortis Castle Nut and End Plate Combo for AR-15 – QD Socket, Anodized Finish (QD END-CN-COMBO)

• Castle nut and end plate combo for AR platform buffer tube assemblies
• Constructed from 6061 aluminum with black milspec anodized finish for durability
• Integrated quick detach socket allows sling attachment at receiver end position
• Designed to fit mil spec buffer tubes for AR15 and similar platforms
• Lightweight construction reduces overall firearm weight without sacrificing durability
• Made in the USA ensuring consistent manufacturing quality and material standards

The Fortis Manufacturing, Inc. Castle Nut and End Plate is a castle nut and end plate kit designed for securing buffer tube assemblies on AR-15 and .308 platforms. This castle nut and end plate kit features 6061 aluminum construction with an integrated quick detach socket for sling attachment.

The Fortis Manufacturing, Inc. Castle Nut and End Plate uses a black milspec anodized finish and is machined from billet aluminum for reduced weight compared to standard steel components. The end plate includes a QD socket for direct sling swivel engagement and fits carbine style buffer tubes. This product is used for AR-15 and .308 rifle builds requiring a receiver extension retention system with sling mounting capability. In typical setups, the kit installs onto mil-spec buffer tubes and provides a combined mounting solution. The Fortis Manufacturing, Inc. Castle Nut and End Plate is manufactured in the USA and supports standard installation methods.