Colt LE6921 5.56 NATO 14.5-inch Complete Upper

Description

The Colt LE6921 is a complete carbine upper assembly chambered for .223 Rem / 5.56 NATO. It features a 14.5-inch chrome-lined barrel with a 1:7 right-hand twist and a flat-top receiver. The assembly ships with a current-production bolt carrier assembly and charging handle, plus a Matech flip-up rear sight, pivot pin adapter, bayonet lug and screw-on flash hider. Note: the included bolt carrier assembly may not be compatible with some Colt rifles equipped with a steel sear block.

Key Specifications

• The caliber/cartridge is .223 Rem / 5.56 NATO.
• The barrel length is 14.5 inches.
• The barrel is chrome-lined for durability.
• The twist rate is 1:7 RH.
• The receiver is a flat-top and includes a Matech flip-up rear sight.
• This item includes a bolt carrier assembly and charging handle.
• It features a screw-on flash hider and integrated bayonet lug.
• The finish is anodized.
• Designed to fit AR rifles as a complete upper assembly.

Purpose-built as a direct-replacement or upgrade upper, the LE6921 combines proven Colt manufacturing with practical features for carbine-length applications. Its chrome-lined 14.5-inch barrel and included components provide a ready-to-install assembly suitable for duty, range use, or general-purpose AR platforms where a compact, reliable upper is required.