This Daniel Defense M4A1 FSP Upper Receiver Group was built for customers wanting a weapon system inspired by USSOCOM SOPMOD Block II. This upper features the M4A1 FSP RIS II in Flat Dark Earth, a 14.5” M4 profile barrel, Mil-Spec F-Marked front sight base, Pinned and Welded 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.
- Mil-Spec Upper Receiver with Indexing marks and M4 Feed Ramps
- Chrome Moly 14.5″ Vanadium Steel, Cold Hammer Forged, 1:7 Twist, M4 Profile, Chrome lined, Milspec Barrel
- Surefire SF3P Flash Hider
- M16 Profile, Mil-Spec MP Tested Chrome Lined, Properly Stake Gas key BCG
- A1.5 Fixed Rear Sight
- DD M4A1 FSP Rail Interfaced System(RIS)
- Made in USA