Multi-function AR-15 end plate and anti-rotation castle nut by Strike Industries featuring an anti-rotate QD socket or interchangeable sling loops, reversible design, and multiple sling mounting options.
The Strike Industries Multi-Function End Plate with Anti-Rotation Castle Nut is a steel AR accessory that replaces a standard end plate and castle nut to add sling and QD functionality without peening. Designed for builders and maintainers of AR-15 receivers, the assembly provides anti-rotation retention and multiple sling attachment options while preserving receiver extension security.
Common applications include use on AR-15 builds and upgrades for range/competition setups, and integration into rifles where reversible sling mounting or QD capability is desired.
Product Specifications
The manufacturer is Strike Industries.
The vendor item number is SI-AR-MFEP&ACN.
The UPC is 708747546309.
The product type is listed as Castle Nut/End Plate.
The material is specified as Steel.
The finish is Black.
The color is Black.
The product weight is 1.5 oz.
The component is described as fitting AR15.
The design includes an anti-rotate QD socket or sling loops.
The end plate is reversible to suit different mounting preferences.
The assembly provides three integral sling mounting options.
The hardware includes a traditional sling loop and a loop for hook-style attachments.
Retention of the castle nut is accomplished with a set screw in lieu of peening.
The listed subcategory is Long Gun Parts.
The SI Multi-Function End Plate and Anti-Rotation Castle Nut offers a practical upgrade for anyone building or modernizing an AR-15 receiver extension. Its steel construction, integrated QD/sling options, and set-screw retention simplify maintenance and reconfiguration while adding versatile sling mounting choices without permanent modification. For shooters who value functional, serviceable components, this end plate provides straightforward capability improvements that fit common AR workflows.
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