LBE Unlimited Ready Build Kit 14.5-inch .223/5.56

The LBE Ready Build Kit is a compact AR-15 upper build kit featuring a 14.5-inch cold hammer forged (CHF) barrel and a pistol-length gas system. Designed for AR pistol or SBR builds, the kit includes a complete upper receiver with dust cover and forward assist installed, a free-floating handguard, and core operating components for a reliable close-quarters platform. Components arrive finished in Melonite and intended for builders seeking a durable, serviceable upper assembly.

Key Specifications

• The barrel measures 14.5 inches and is cold hammer forged (CHF).
• The chambering is .223 Rem/5.56 NATO.
• The exterior surface finish is Melonite.
• The kit includes a NiB M16-style bolt carrier group.
• The gas configuration is a pistol-length gas system.
• The kit ships with a mid-length gas tube pinned in a low-profile gas block.
• Includes a free-floating handguard.
• The upper arrives with dust cover and forward assist installed.
• Includes a standard charging handle and a A2 birdcage flash hider with crush washer.
• Designed to fit AR-15 platform receivers.

This Ready Build Kit provides a practical foundation for a compact AR platform, combining a cold hammer forged barrel with durable finishes and complete operating components. Its configuration suits builders who value straightforward assembly, modular upgrades, and a compact profile for applications where a shorter-barrel AR is appropriate. The included components make this kit ready for integration into a compliant build and subsequent customization to match intended use.