Daniel Defense DDM4 M4A1 FSP 5.56mm 14.5" URG, FDE

In stock
as of 02/21/2024 3:47PM CST
Store Inventory
Available Online2
Fountain Valley, CAOut of stock
The Colony, TX2
SKU: DD-23-004-09376
MPN: 23-004-09376
UPC: 818773021869

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The Daniel Defense M4A1 FSP upper receiver group utilizes the Rail Interface System(RIS II) which has been fielded by US SOCOM for SOPMOD Block II weapon systems since 2005. The M4A1 FSP utilizes the FSP RIS II with FSP cut-out.

This 2-piece, free floating rail system allows the mounting of the M203 grenade launcher without interfering with barrel harmonics. The 2-piece design also allows for partial disassembly for cleaning and uses a sturdy bolt up system.

The M4A1 uses Daniel Defense's cold hammer forged barrel in a M4 profile, a Surefire SF3P Flash Suppressor is permanently attached to the 14.5" barrel for 16" overall length.

UPPER RECEIVER Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
BARREL Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 14.5" M4 Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested
GAS SYSTEM Mil-Spec F-Marked Front Sight Base, Carbine Length, Direct Impingement
MUZZLE DEVICE Surefire SF3P Flash Hider / Suppressor Adapter, Precision Machined from US Mill-Certified Heat-Treated Stainless Steel Bar Stock, 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


Caliber 5.56mm NATO
Gas System Carbine-Length
Barrel Length 14.5" (16" OAL)
Weight 4.58 lbs.

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