This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. This upper features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth" a 14.5" M4 profile barrel" Mil-Spec F-Marked front sight base" Surefire SF3P flash hider / suppressor adapter" A1.5 Fixed Rear Sight" M16 profile full auto bolt carrier group" and Rail Mounted QD Swivel Attachment Point with QD swivel.
UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum
BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 14.5" M4 Profile, Chrome Lined, Mil-Spec Phosphate Coated
GAS SYSTEM: Mil-Spec F-Marked Front Sight Base, Carbine Length, Direct Impingement
MUZZLE DEVICE: Surefire SF3P Flash Hider / Suppressor Adapter, Black Ionbond DLC Coating, Pinned and Welded to Barrel
BOLT CARRIER GROUP: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key
SIGHTS: A1.5 Fixed Rear Sight, 6061-T6 Aluminum, Type III Hard Coat Anodized
HANDGUARD: Daniel Defense M4A1 FSP Rail Interface System (RIS) II, CNC Machined of 6061-T6 Aluminum, Type III Hard Coat Anodized FDE
| Accessories: | Flash Hider |
| Type of Barrel: | 1:7 |
| Barrel Length: | 14.5" Pinned (16" OAL) |
| Description: | Carbine |
| Finish: | Anodized |
| Caliber: | 223 Remington |
| Caliber **: | 556NATO |
| Manufacturer: | Daniel Defense |
| Manufacturer part #: | 23-004-09376 |
| Model: | M4A1 |
| Type: | Upper |
| Sub Category: | Complete Upper Receivers |
| Color: | Flat Dark Earth |
