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16" AR-15 Upper - Stainless M4 Contour Barrel, 1:8 Twist, M4 Carbine Handguard

16" AR-15 Upper Receiver - 1:8 Twist, Stainless M4 Contour Barrel, M4 Carbine Drop-In Handguard


Price: $336.99


Choose Caliber*:
.223 Wylde SS
Muzzle Device

(.223/5.56) 1/2"x28 A2 Style Birdcage (Black) [Add $0.00]
Bolt Carrier Group

Add Bolt Carrier Group?:
Black Nitride Bolt Carrier Group - 5.56/.223/300 BO [Add $99.99]
Charging Handle

Add Charging Handle?:
Standard AR-15 Charging Handle [Add $14.99]
Buffer Tube Kit

Add Buffer Tube Kit?:
AR-15 Mil-Spec 6 Position Carbine Buffer Tube Kit [Add $34.99]

Add Stock?:
Mil-Spec Carbine Stock - Collapsible [Add $19.99]

16" M4 Contour Profile Barrel, 416R Stainless Steel, 1:8 Twist. Drop-in M4 Carbine Style handguard. This is a perfect option for those who wish to utilize receiver mounted optics, or who plan to upgrade to a free-float handguard at a later date.

A quality and budget friendly complete AR-15 16" upper assembly brought to you by 5D Tactical. These M4 upper receivers are built in-house by expert builders with over 40 years of experience. Each barrel is visually inspected and cleaned prior to assembly. All barrel nuts are torqued to proper specifications per Mil-Spec standards and practices. Every complete M4 upper assembly is QC inspected and head space checked before shipment. As completed M4 carbine upper receiver assemblies are not considered firearms, no FFL is required. Ships directly to your home.

- NO BCG or Charging Handle Included - Select Options to Add
- USA Made Barrel
- Barrel Length: 16"
- Twist Rate: 1:8
- Hand Guard: M4 Carbine Style Drop-In with Heat Shields
- Caliber: Your Choice 5.56MM NATO or .223 Wylde
- Barrel Profile: M4 Contour Profile
- Barrel Type: 416R Stainless Steel
- Gas System: Carbine Length Gas System, .750" diameter Steel Micro Gas Block
- M4 Carbine Upper Receiver: Forged 7075-T6 Flat Top with M4 Feed Ramps
- Forward Assist and Dust Cover Installed
- Muzzle Device: Your Choice A2 Style Birdcage Flash Hider or Compact Muzzle Brake
- AR-15 16" Upper Assembly is Black Hardcoat Anodized Per MIL-A-8625 Type III Class 2 Specifications

*Buyer is responsible for configuring finished rifle in accordance with state and local laws