The LANTAC RPS End Plate & Castle Nut is a precision-machined upgrade set designed to enhance the durability and service life of your rifle’s receiver extension interface. Built with Lantac’s attention to detail, this combo offers a secure, repeatable lockup that helps keep your stock assembly tight through hard use.

This model is ideal for shooters who want a dependable replacement for worn factory hardware or are completing a new build with quality components. Its robust construction supports long-term reliability for range use, training, and general-purpose shooting, giving you confidence that your buffer tube and stock remain firmly in place. The set reflects Lantac’s reputation for precise manufacturing, durable construction, and parts that deliver years of consistent performance.

• Manufacturer: Lantac
• Model: RPS End Plate & Castle Nut
• Unique Features: Precision-machined end plate and castle nut set for long-term reliability
• Finish: Black
• Category: Buffer Systems