Bushmaster M4 Patrolman's 20" AR-Style Upper Receiver 5.56x45mm 1:7, Black - 0040008BLK

Bushmaster M4 Patrolman's Flat Top Upper Assembly 16in 5.56 NATO/.223 Remington Black. 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 ? 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. Specifications for Bushmaster M4 Patrolman's Flat Top Upper Assembly: Manufacturer: Bushmaster Cartridge: .223 Remington 5.56x45mm NATO Overall Length: 25 in Barrel Length: 16 in Barrel Profile: M4 Gas System Length: Carbine Length Barrel Twist Rate: 1-7 Threads per Inch: 1/2x28 Muzzle Device: A2 Flash Hider Finish: Salt Bath Nitride Color: Black Gun Model: M4 Fabric/Material: 7075 Aluminum Attachment Type: Sling Gas Block Journal Size-Diameter: .750 in Gun Rail: M-LOK Gun Type: Rifle Gun Make: AR Platform Bolt Carrier Group Included: MIL-SPEC Weight: 5.5 lb Magazine Included: No Features of Bushmaster M4 Patrolman's Flat Top Upper Assembly Upper Receiver 7075 Forged A4 Flat Top Upper Receiver Rear Flip Sight Midwest Industries Inc. Combat Rifle Flash A2 Flash Hider Charging Handle Mil-Spec Charging Handle Bolt Carrier Group 8620 Steel SBN Bolt Bolt 9310 MPI Tested Made In Package Contents: Bushmaster M4 Patrolman's Flat Top Upper Assembly Bushmaster 00-40008-BLK: M4 Patrolman's Flat Top Upper Assembly 16in 5.56 NATO/.223 Remington Black