Bushmaster 0010011CA | M4 Patrolman | 5.56 NATO | 16″ Barrel

The Bushmaster M4 Patrolman’s Flat Top is a California-compliant AR-style rifle built on a forged A4 flat top receiver of 7075-T6 aluminum and finished in matte black. It ships with a fixed 10-round magazine, an A2 birdcage-style flash hider, M4 handguard and a flip-up rear sight for basic iron sight capability. The rifle uses a carbine-length gas system and a mil-spec trigger for conventional AR operation. For a practical optic under $1,000 that pairs well with this platform consider the Vortex StrikeFire II red dot for quick target acquisition and durability.

Common real-world uses include range training and sport shooting/competition where reliability and straightforward ergonomics are priorities.

Product Specifications

• The UPC is 604206200204.
• The brand is Bushmaster.
• The manufacturer’s part number is 0010011CA.
• The model is listed as the M4 Patrolman’s Flat Top.
• The caliber is .223 REM/5.56 NATO.
• The barrel length is 16″.
• The barrel type/finish is Salt Bath Nitride, Black.
• The receiver material is 7075-T6 Aluminum.
• The action is Semi-Auto.
• The capacity is 10 + 1.
• The rifle ships with 1 10 Round fixed/drop-in magazine.
• The stock is described as a 6 Position Collapsible synthetic stock in black.
• The handguard is a M4 style handguard.
• The sights are A2 front and flip-up rear.
• The muzzle thread pattern is 1/2-28 tpi.

The M4 Patrolman’s Flat Top offers a familiar AR ergonomics package with California-compliant features and a straightforward parts set that makes it easy to operate and maintain. Its forged A4 receiver and salt-bath nitride barrel deliver a durable baseline platform for recreational shooting and range work. With a basic iron-sight setup and a standard M4 furniture set, this rifle is suited to shooters who want a conventional AR configuration in a compliance-friendly form.

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