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Inspired by USSOCOM SOPMOD Block II, the Daniel Defense M4A1 FSP Upper Receiver Group delivers tactical precision and durability. Built around a 14.5-inch Cold Hammer Forged M4 Profile barrel with a 1:7 twist, chrome-lined and Mil-Spec heavy phosphate-coated, this upper ensures reliable performance. The Surefire SF3P flash hider/suppressor adapter, pinned and welded with a Black Ionbond DLC coating, enhances muzzle control and suppressor compatibility. The carbine-length gas system, paired with a Mil-Spec F-Marked front sight base and A1.5 Fixed Rear Sight, provides a robust sighting solution. The Flat Dark Earth M4A1 FSP RIS II Picatinny quad rail, CNC machined from 6061-T6 aluminum, offers versatile mounting and includes a rail-mounted QD swivel attachment point with QD swivel for sling compatibility. The Mil-Spec M16 bolt carrier group ensures dependable cycling, while the 7075-T6 aluminum upper receiver, Type III hard coat anodized, guarantees rugged reliability. Weighing 4.5 lbs and made in the USA, this upper is perfect for tactical enthusiasts seeking SOPMOD-inspired performance.
Upgrade your AR-15 with the M4A1 FSP—purchase now at Battlehawk Armory for elite quality!
Specifications:
- Mounting System: Picatinny
- Caliber: 5.56mm NATO
- Material: Chrome Moly Vanadium
- Manufacturing Process: Cold-Hammer Forged
- Twist Rate: 1:7"
- Gas System: Carbine
- Barrel Length: 14.5"
- Barrel Profile: M4
- Product Weight: 4.5 lbs
- Manufacturer: Daniel Defense
| Manufacturer | Daniel Defense |
| Model | M4A1 FSP Surefire FH |
| UPC | 818773021869 |
| SKU | 23-004-09376 |
| Width | 5.7500 |
| Length | 28.0000 |
| Height | 4.0000 |
| Weight | 6.0600 |


