Product Description
MCS AR-15 4.5" INCH 5.56 NATO PISTOL UPPER MICRO-GAS 1:7 M-LOK HANDGUARD
The MCS Complete Upper is built around a 4.5-inch 5.56 NATO HBAR barrel with a micro-length gas system, a 4-inch K-style free-float M-LOK handguard, and a complete bolt carrier group and charging handle.
Platform: AR-15
Caliber: 5.56 NATO / .223 Remington
Barrel Length: 4.5"
Barrel Manufacturer: MCS
Barrel Profile: HBAR / Heavy Barrel
Barrel Material: 4150 Chrome Moly Vanadium Steel
Barrel Finish: Parkerized
Twist Rate: 1:7
Gas System Length: Micro Length
Gas Journal Diameter: .750"
Muzzle Thread: 1/2x28
Upper Receiver: AR-15 Upper Receiver
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Black Anodized
Feed Ramps: M4 Feed Ramps
Forward Assist: Included
Ejection Port Door: Included with Rod and Spring
Handguard Length: 4"
Handguard Style: Ultra-Lightweight Minimalist K-Style
Handguard Mounting System: M-LOK Compatible
Anti-Rotation Tabs: No
Muzzle Device: Steel Flash Can, Design 11 Rev. 2 Pattern 2
Flash Can Thread: 1/2x28
Flash Can Outside Diameter: 1"
Flash Can Finish: Black Oxide
Flash Can Bore Compatibility: Up to 9mm
Crush Washer: 1/2" Black Crush Washer Included
Gas Block: Micro Low-Profile Gas Block
Gas Block Material: Steel
Gas Block Diameter: .750"
Gas Tube: Micro-Length Gas Tube
Gas Tube Length: 5.25"
Bolt Carrier Group: Complete AR-15 BCG
BCG Caliber Compatibility: 5.56 NATO, .223 Remington, .300 Blackout, and .350 Legend
BCG Origin: Made in the USA
Charging Handle: AR-15 M4-Style Charging Handle
Charging Handle Specification: Mil-Spec Quality
Color: Black
