LBE Unlimited AR145RBK Ready Build Kit | 14.5″ CHF

The LBE Unlimited Ready Build Kit is a compact AR-15 upper assembly centered on a premium 14.5-inch cold hammer forged barrel. It ships with a complete upper receiver and essential components to populate an AR pistol or short-barreled rifle (SBR) build. Components are finished and machined for long-term durability and routine range use.

Applications: AR pistol builds and short-barreled rifle projects; training and range practice where a compact, high-quality upper is required.

Product Specifications

• The manufacturer is listed as LBE Unlimited.
• The model/part number is AR145RBK.
• The UPC is 706612408158.
• The caliber is specified as .223 REM/5.56 NATO.
• The barrel measures 14.5 inches and is described as cold hammer forged.
• The finish on the barrel and components is Melonite.
• The kit color is Black.
• The kit is designed to fit AR-15 platforms.
• The package includes a complete upper receiver with dust cover and forward assist installed.
• The kit includes a NiB M16-style bolt carrier group.
• The kit includes a standard charging handle.
• The handguard is supplied as a free-floating handguard.
• The gas tube is installed and the kit includes a low-profile gas block with the gas tube pinned.
• The muzzle device included is an A2 birdcage flash hider with crush washer.

This Ready Build Kit brings together hardened, precisely machined components intended for reliable service in compact AR configurations. The cold hammer forged barrel and Melonite finish prioritize wear resistance and service life, while the included NiB BCG and free-floating handguard support consistent function and modular accessory options. The kit is well suited to users assembling an AR pistol or SBR who want a mostly complete upper with quality core parts.