Product Description
MCS AR-15 5.56 NATO 16" INCH RIFLE UPPER 1:8 FREEFLOAT KEYMOD HANDGUARD
The MCS 16" 5.56 NATO complete upper build is engineered for precision and reliability, delivering Match Grade performance for AR-15 enthusiasts. Built around a 16-inch barrel made from 416R stainless steel with polished finish and M4 profile, this upper combines premium materials with proven design. The 1:8 twist rate is optimized for a wide range of bullet weights, ensuring consistent performance from 55-grain to 77-grain projectiles.
The carbine-length gas system with micro low-profile gas block enhances usability and reliable cycling. The 15-inch freefloat Keymod handguard is constructed from 6061-T6 aluminum with black finish, allowing for effective accessory mounting while improving overall stability through barrel isolation. The robust 7075-T6 aluminum upper receiver is anodized for durability and features enhanced feeding reliability. A stainless steel birdcage GI-type flash hider provides effective muzzle control and flash reduction. This complete upper includes a nitride-finished bolt carrier group forged from 9310 alloy steel and a mil-spec charging handle, making it ready to pair with your preferred lower receiver.
Caliber: 5.56x45mm NATO
Barrel Material: 416R Stainless Steel
Barrel Length: 16 inches
Barrel Profile: M4
Barrel Twist Rate: 1:8
Barrel Gas System Length: Carbine
Barrel Thread Pitch: 1/2x28
Barrel Finish: Polished Stainless Steel
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Length: 15 inches
Handguard Color: Black
Handguard Style: KeyMod
Gas Block Size: 0.750 O.D.
Gas Block: Micro Low-Profile Gas Block
Muzzle Device: Stainless Steel Birdcage GI Type Flash Hider
Muzzle Device Thread Pitch: 1/2x28
Charging Handle: AR-15 Mil-Spec Charging Handle
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Bolt Carrier: Complete Bolt Carrier Group
Bolt Carrier: 5.56x45mm Bolt Carrier Group
