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The LBE Unlimited AR15 Mil-Spec Complete Buttstock Kit is a rugged, ready-to-install assembly designed for standard AR-15 carbine builds. This full kit includes a true mil-spec 6-position buffer tube, M4-style adjustable buttstock, carbine buffer, carbine buffer spring, receiver end plate, and castle nut - everything needed to complete your lower receiver with proven, combat-tested components.

Manufactured to strict mil-spec standards in the USA, this kit delivers reliable function, excellent fit, and long-term durability at a great value.

Features

  • Mil-Spec 6-position buffer tube machined from 7075-T6 aluminum with hardcoat anodized finish
  • Durable M4-style adjustable buttstock with impact-resistant polymer construction
  • Standard carbine buffer and carbine buffer spring for reliable cycling
  • Receiver end plate and castle nut for secure installation
  • Complete kit - no additional parts required for basic stock assembly
  • Ideal for new builds, upgrades from commercial-spec parts, or replacements
  • 100% Made in the USA with strict quality control