LBE Unlimited Receiver End Plate — Steel, Black Phosphate Finish (ARLPLT | UPC 765857617336)
Upgrade the durability and corrosion-resistance of your AR-15 build with the LBE Unlimited Receiver End Plate (Model ARLPLT, UPC 765857617336). Machined from rugged steel and finished in protective black phosphate, this end plate provides a robust mounting point for your castle nut and sling attachments while blending seamlessly with modern blacked-out rifle builds. Compact, reliable, and engineered for a lifetime of service, the ARLPLT is a simple, high-value part every AR builder should have on hand.
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Product Overview
The LBE Unlimited ARLPLT receiver end plate is a drop-in component that replaces the factory end plate at the rear of the AR-15 receiver extension. Made from hardened steel and finished in a matte black phosphate coating, it resists rust and wear while providing the structural strength required for secure castle nut torque and sling attachment. Whether you’re assembling a new rifle, upgrading an existing build, or keeping spares for maintenance, this end plate is precision-made to industry-standard dimensions for seamless compatibility.
Key Features & Benefits
Hardened Steel Construction — Built to withstand torque and repeated use; provides a secure anchor point for buffer tube assemblies and sling hardware.
Black Phosphate Finish — Durable, corrosion-resistant coating that reduces glare and blends with black anodized or matte receivers.
Standard AR-15 Compatibility — Designed to fit standard AR-15/M4 receiver extensions and castle nuts without modification.
Low-Profile Design — Sits flush against the receiver for a clean appearance while allowing full castle nut engagement.
Sling/Attachment Ready — Accepts a variety of sling options (quick detach hardware, looped webbing, or traditional sling swivel orientations depending on configuration).
Precision Machining — Tight tolerances ensure consistent fit and reliable function during assembly and use.
Lightweight & Rugged — Adds minimal weight while delivering essential strength at the rear of the receiver.
Specifications
Brand: LBE Unlimited
Model: ARLPLT (Receiver End Plate)
UPC: 765857617336
Material: Heat-treated steel
Finish: Black phosphate (mil-spec style appearance)
Compatibility: Standard AR-15 / M4 receiver extensions and castle nut assemblies
Mounting: Rear receiver end plate (replaces factory end plate)
Weight: Lightweight (varies slightly by lot)
Country of Origin: (Varies by production — check packaging/label)
Installation (Quick Guide)
Safety first: Ensure the firearm is unloaded and the chamber is clear. Remove magazine and verify no live ammunition is present in the workspace.
Remove the buffer assembly: Depress the takedown pin detent and carefully remove the buffer and spring from the receiver extension.
Loosen and remove castle nut: Use an appropriate armorer’s wrench to back off the castle nut and slide off the factory end plate.
Install LBE Unlimited ARLPLT end plate: Slide the end plate into position on the receiver extension, orienting any sling loop or attachment points as desired for right- or left-side carry.
Reinstall castle nut and torque: Thread the castle nut back on and torque to the manufacturer-recommended spec while aligning the end plate. Staking or peening is optional per builder preference and local laws/standards.
Reinstall buffer assembly and function check: Replace the buffer and spring, cycle the firearm to check proper function, and ensure the end plate and castle nut remain secure.
If you are not confident performing armorer-level work, have the installation completed by a qualified gunsmith.
Compatibility & Notes
Designed for use with standard AR-15 / M4-style receiver extensions.
Works with most aftermarket and OEM castle nuts, buffer tubes, and sling attachments.
If your build uses an A2 or specialized receiver end, confirm dimensions before installation.
Some users add a QD swivel or mil-spec loop to the end plate — ensure correct hardware for secure attachment.
Maintenance & Care
Keep it clean: Wipe the end plate periodically with a dry cloth to remove dust and debris.
Protect the finish: Use light oil on metal surfaces if storing in humid environments to guard against corrosion.
Inspect hardware: Check the castle nut and end plate alignment periodically to ensure torque retention and secure sling attachment. Replace if evidence of unusual wear or deformation appears.
Why Builders Choose LBE Unlimited ARLPLT
The ARLPLT end plate is a no-nonsense upgrade for builders who want a dependable, attractive rear receiver solution without paying for unnecessary features. LBE Unlimited’s reputation for solid, affordable components means you get consistent fit and finish at a price point that makes stocking spares simple. Its black phosphate finish and hardened steel construction make it an ideal match for tactical, hunting, or range-focused rifle builds.
Safety & Legal Reminder
This product is an AR-15 accessory intended for lawful firearm assemblies and maintenance. Always follow safe-handling procedures: treat every firearm as if loaded, keep the muzzle pointed in a safe direction, and verify the firearm is unloaded before disassembly or modification. Follow all federal, state, and local laws regarding ownership, modification, and transportation of firearms and firearm parts. If unsure about installation or local legality, consult a licensed gunsmith or legal authority.
SEO-Focused Summary
The LBE Unlimited Receiver End Plate (ARLPLT | UPC 765857617336) is a hardened-steel, black phosphate–finished end plate engineered for standard AR-15 / M4 receiver extensions. Offering corrosion resistance, precise fit, and sling-attachment capability, the ARLPLT is an essential part for builders and armorers looking for rugged, low-profile rear receiver hardware. Easy to install by a qualified builder and compatible with most castle nuts, this end plate delivers dependable performance and a clean, tactical appearance for any AR platform.
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