The Colt LE-Series M4 Carbine in .223 Rem/5.56 NATO (brand part no. LE6940) is a semi-automatic AR-15 built around a 16.1-inch barrel cut with a 1:7 twist, finished in matte black. Colt equips this carbine with a Magpul backup flip sight and ships it with a 20-round magazine, drawing on the LE-series lineage Colt supplies to law enforcement and military users. Among AR-platform rifles in the AR rifles category, this carbine favors shooters who want a genuine Colt LE-series build.

Key Specifications

• Chambered in .223 Rem/5.56 NATO.
• Operates as a semi-automatic AR-15.
• Cut with a 16.1-inch barrel.
• Rifled at a 1:7 twist.
• Finished with a matte black barrel finish.
• Equipped with a Magpul backup flip sight.
• Ships with a 20-round magazine.
• Feeds from a magazine with a 20+1 capacity.
• Part of Colt’s LE-series carbine line.

Frequently Asked Questions

What is this carbine’s background? It’s part of Colt’s LE-series, the line Colt builds for law enforcement and military customers.

What sight does this rifle include? A Magpul backup flip sight.

Buy the Colt LE-Series M4 Carbine

A genuine Colt LE-series carbine is exactly what this build delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.