Home > Caliber >

16" AR-15 Upper - Stainless M4 Contour Barrel, 1:8 Twist, 10" C-Cut Keymod Rail

16" AR-15 Upper Receiver - 1:8 Twist, Stainless Steel Barrel, M4 Contour, 10" Keymod Rail with C-Shaped End Cut

Alternative Views:

Price: $324.99

Product Code:


Choose Caliber*:
.223 Wylde SS
Muzzle Device

(.223/5.56) 1/2"x28 A2 Style Birdcage (Black) [Add $0.00]
(.223/5.56) 1/2"x28 Compact Muzzle Brake (Black) [Add $21.99]
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]
MBUS Sights

Add Magpul MBUS Sights - Set - Black [Add $89.99]

16" M4 Contour Profile Barrel, 416R Stainless Steel. 10" Lightweight Free Float Keymod Rail with C-Shaped end cut. These AR-15 barrel and 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 completed receiver is QC inspected and head space checked before shipment. As M4 complete 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"
- Hand Guard: Free Floating 10" Keymod with C-Shaped End Cut
- Full Length Picatinny Top Rail - No T-Markings
- 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
- AR-15 Barrel and 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
- M4 Complete Upper Receiver and Hand Guard are 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