Daniel Defense DD4 RIII Rifle 16 inch


Product Description

Daniel Defense M4A1 RIII Rifle 14.5 inch

We took our battle-tested M4A1 design and made it even more operator
friendly by adding a fully ambidextrous lower to provide right- and left-handed
shooters with more flexibility and control. We also swapped out the RIS II rail
system with our new RIS III system, which reduces weight by using M-LOK
attachment instead of picatinny.
+ 14.5″ chrome-lined, heavy-phosphate-coated M4-profile barrel
features a pinned & welded DD Flash suppressor to extend length to
NFA-required 16″
+ Fully ambidextrous lower enables shooter to operate important rifle
mechanisms without moving dominant hand from rifle grip
+ 12.5″ RIS III Rail—modeled after the RIS II two-piece handguard
developed for SOCOM—features M-LOK attachment for lighter weight
while accommodating M203 attachment

Made in the USA!



All Daniel Defense products carry a 100% satisfaction guarantee against defects in original materials and workmanship. If your Daniel Defense product shows evidence of such defects, Daniel Defense will make every accommodation to fix, repair, or replace your product in the most expeditious manner possible. Daniel Defense does not warranty products or damage caused to our products by the correct or incorrect installation of other manufacturer’s products. Be sure to retain your sales slip as proof of purchase date when making a claim.


More control, more flexibility, less weight. That’s what you get with our revolutionary RIII rifles.

The new DD4 lower is the same lower receiver you have come to love, trust and expect from Daniel Defense, now fully ambidextrous.

And the all-new RIS III rail system was modeled after the infamous RIS II that was developed for SOCOM. The RIS III is M-LOK rather than picatinny quad rail, includes the same 6 bolt lock-up found on the RIS II, and also features the same two part design as the RIS II allowing it to free float M203 grenade-launchers. The all-new RIS III maintains the same strength and customization available with the RIS II but with less weight.

The RIII family will be introduced in 4 configurations and available for purchase in Spring 2022. RIII rails and RIII Uppers will be available later in the year.


Barrel Material: 4150 Chrome Moly Vanadium
Barrel Type: Cold Hammer Forged
Barrel Profile: M4
Rifling Twist: 1:7″
Gas System Length: Carbine
Muzzle Device: Flash Suppressor, EXT
Overall Length: 31 1/2″- 34 3/4″
Weight (unloaded): 6.39 LBS
Rail System: RIS III 12.5


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