M4 PATROLMAN'S™ CARBINE FLAT TOP 16" w/Flip-Up Sight Upper Assembly

Write a Review

SKU: 00-40008-BLK
The M4 PATROLMAN'S™ CARBINE FLAT TOP 16" w/Flip-Up Sight Upper Assembly is a top-of-the-line rifle designed for patrol officers and tactical enthusiasts. Made in the U.S.A., it features a 5.56 NATO caliber, 16" barrel, carbine-length gas system, and premium materials. Lightweight and easy to handle, this rifle is built for reliability and performance, making it the ideal choice for any shooter.

Why we made M4 PATROLMAN'S™ CARBINE FLAT TOP 16" w/Flip-Up Sight Upper Assembly

Introducing the M4 PATROLMAN'S™ CARBINE FLAT TOP 16" w/Flip-Up Sight Upper Assembly, the ultimate firearm for patrol officers and tactical enthusiasts alike. This top-of-the-line rifle is designed to meet the most demanding requirements, with a 5.56 NATO (.223 REM) caliber that ensures powerful and accurate performance.

Crafted with a 16" barrel made of 4150 CMV material, this rifle boasts a salt bath nitride finish that enhances durability and longevity. The 1:7 twist rate provides superior accuracy, while the ½” x 28 barrel thread pitch makes it easy to install a suppressor or muzzle brake.

Weighing in at just 4.2 LBS, this rifle is easy to handle and maneuver, making it the ideal choice for those who need to move quickly in tight spaces. It features a carbine-length gas system and a 7075 Forged A4 Flat Top Upper Receiver, which provides a stable platform for mounting optics and other accessories.

The M4 PATROLMAN'S™ CARBINE FLAT TOP 16" w/Flip-Up Sight Upper Assembly also comes equipped with a Midwest Industries Inc. Combat Rifle Rear Flip Sight, an F-Marked A2 Front Sight, an A2 Flash Hider, and a Mil-Spec Charging Handle. And with its premium building materials, you can count on reliable and consistent performance every time.

Proudly made in the U.S.A., this rifle is built to the highest standards of quality and craftsmanship. Whether you're a law enforcement officer, a military veteran, or a civilian shooter, the M4 PATROLMAN'S™ CARBINE FLAT TOP 16" w/Flip-Up Sight Upper Assembly is the ultimate firearm for all your needs.

Features & Specifications

5.56 NATO (.223 REM)
Barrel Length:
Barrel Material:
4150 CMV
Barrel Finish:
Salt Bath Nitride
Barrel Thread Pitch:
½” x 28
Twist Rate:
4.2 LBS
Front Sight:
F-Marked A2 Front Sight
Gas System:
Carbine-Length Gas System
Upper Receiver:
7075 Forged A4 Flat Top Upper Receiver
Rear Flip Sight:
Midwest Industries Inc. Combat Rifle
A2 Flash Hider
Charging Handle:
Mil-Spec Charging Handle
Bolt Carrier Group:
8620 Steel SBN
Bolt 9310 MPI Tested
Made In:
Proudly Made in U.S.A.

Important Information

Firearms Shipments:
In accordance with federal regulations, firearms may only be shipped to a licensed dealer. To avoid any delays in delivery, kindly ensure that you provide the FFL Dealer's information in the Shipping Directions when placing your order. If you do not provide the information with your order, we will reach out and request you provide us with your dealer's information to obtain a copy of their FFL. Once we receive the FFL, we will begin processing your order, and the lead time will start from that point. Please feel free to reach out to us at FFL@bushmaster.com if you have any queries or concerns regarding this proces.

Lower Receivers Shipments:
Lower receivers are also considered firearms under federal regulations and require an FFL (Federal Firearms License) prior to shipment. Therefore, it is important to ensure that your FFL dealer sends us a copy of their license, along with your name and order number via email. We appreciate your attention to this matter as it helps us ensure a smooth and timely delivery of your order. If you have any questions or concerns about this process, please do not hesitate to contact us at FFL@bushmaster.com

Magazines Shipments:
The magazine capacity of the firearm will depend on the jurisdictional restrictions of your state of residence. We want to ensure you receive a product that complies with your state's regulations.

Shipping to Alaska or Hawaii:
If you're shipping to Alaska or Hawaii, please be aware that there may be additional shipping charges. If applicable, we will contact you at the time of shipment to discuss additional costs. As always, your satisfaction is our top priority.

Important Information:
Warning: This product can expose you to chemicals, including lead, known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to - https://www.P65Warnings.ca.gov