Colt M4 Carbine MPS | 5.56 NATO | 16.1″ | CR6920MPS-B

The Colt M4 Carbine Magpul SL is a semi-automatic modern sporting rifle chambered in .223 Rem / 5.56×45 NATO and built on a flat-top 7075-T6 aluminum receiver. It ships with Magpul MOE SL furniture and Magpul MBUS sights and features a 16.1-inch barrel with a 1:7″ rate of twist. For a durable optic under $1,000 that complements the platform, consider an Aimpoint PRO-style red-dot for fast target acquisition and reliable service life.

Product Specifications

• The manufacturer is Colt.
• The model is M4 Carbine.
• The manufacturer’s part number is CR6920MPS-B.
• The caliber is listed as .223 Rem / 5.56×45 NATO.
• The action is Semi-Automatic.
• The barrel length is 16.1 inches.
• The rate of twist is 1:7″.
• The overall length is listed as 32 inches.
• The capacity is listed as 30 rounds.
• The rifle ships with one 30-round removable magazine.
• The stock type is Magpul MOE SL collapsible.
• The handguard/forend is a Magpul MOE Slimline.
• The receiver material is 7075-T6 aluminum.
• The sights are listed as Magpul MBUS rear sight with A2-style front sight.
• UPC is 098289023537.

This Colt M4 Carbine configuration emphasizes familiar AR ergonomics and Magpul furniture to deliver a versatile, serviceable platform for sporting use and range training. The flat-top receiver and standard AR interface make it straightforward to fit optics and accessories to match your intended use. Its combination of Magpul components and a chrome-moly vanadium barrel produces a manageable balance and straightforward handling for shooters who prioritize functional equipment without extras.

Owners commonly praise its reliable function and the quality and ergonomics of the Magpul furniture.

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