Daniel Defense DDM4 M4A1 RIS II 5.56mm 14.5" URG, FDE

In stock
as of 04/18/2024 1:59PM CST
Store Inventory
Available Online1
Fountain Valley, CAOut of stock
The Colony, TX1
SKU: DD-23-004-13150
MPN: 23-004-13150
UPC: 815604016612

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The Daniel Defense M4A1 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. 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, an Improved 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, and Mil-Spec Heavy Phosphate Coated
GAS SYSTEM Pinned Low Profile Gas Block CNC Machined of 4140 hardened steel and Mil-Spec Heavy Phosphate Coating, Carbine-length, Direct Impingement
MUZZLE DEVICE Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished, Pinned and welded to barrel(non-NFA)
BOLT CARRIER GROUP M16 Profile, Chrome Lined, Properly Staked Gas Key
SIGHTS Sold Separately
HANDGUARD Daniel Defense M4A1 Rail Interface System (RIS II), CNC machined 6061-T6 Aluminum, Type III Hard Coat Anodized FDE
RAIL PANELS Daniel Defense Rail Panels made from Santoprene, heat resistant to 300° F.
CHARGING HANDLE Daniel Defense GRIP-N-RIP, CNC machined 7076-T6 aluminum, CNC machined 6061-T6 handles, Type III Hard Coat Anodized

Caliber 5.56mm NATO
Gas System Carbine-Length
Barrel Length 14.5" (16" OAL)
Weight 4.56 lbs.

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