Luth-AR AR-15 Carbine Buffer Tube Castle Nut Lock Ring, Manganese Phosphate Finish CS-02

Product Description

The Luth-AR Carbine Lock Ring/Castle Nut is a durable replacement component designed for AR-style carbine receiver extension (buffer tube) assemblies. Built with precise manufacturing and rugged construction, it’s ideal for maintaining, repairing, or upgrading your rifle with reliable, long-lasting parts you can count on.

Product Highlights

• Precision-manufactured castle nut/lock ring for AR-style carbine buffer tube assemblies
• Durable construction for long-term reliability and dependable retention
• Manganese phosphate-style black finish for corrosion resistance and a classic tactical look
• Ideal replacement part for maintenance, repairs, or upgrades
• Made by Luth-AR to consistent, quality-focused standards

Specs

• Brand: Luth-AR
• Product Type: Carbine lock ring / castle nut (AR-style receiver extension component)
• Manufacturer Part Number: CS-02
• UPC: 859819007201
• Color: Black
• Finish: Manganese Phosphate
• Compatibility (per available sources): AR-15; also listed for AR-10
• Weight (per available sources): 0.5 oz

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