Daniel Defense RIS III MLOK Rail, 13″ FSP FDE


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The venerable RIS II’s modern facelift — and now in MLOK

13″ in length with FSP cut-out, only for use with 14.5″ and 16″ carbine-length gas barrels with FSP

(2 customer reviews)

30 in stock

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Frequently Bought Together

Price for both: $882.00

Daniel Defense RIS III MLOK Rail, 13″ FSP FDE

Our all-new RIS III rail system is modeled after the proven RIS II developed for SOCOM, but now in M-LOK for extreme durability with less weight.

It features our hardcore 6-Bolt, Bolt-Up System used on the RIS II, and the same two-part free-float design that never makes contact with the barrel – not even with an M203 grenade launcher installed – so barrel harmonics and accuracy are not affected. The lightweight, heavy-hitting RIII is ready for anything.

  • Aircraft Grade 6061-T6 aluminum
  • Free-floating barrel design for increased accuracy
  • Two-piece design allows for the attachment of an M203 grenade launcher when lower rail Section is removed.
  • Battle-tested, 6-bolt Bolt-Up System securely attaches handguard to the upper receiver
  • Grade 8 military specification fasteners
  • Uninterrupted upper rail platform & Mil-Spec 1913 picatinny rails
  • Mil-Spec Type III Hard Coat Anodized Finish (FDE or Black)

Click here to browse our entire selection of Rails & Handguards.

Note: The rail’s paper packaging may have small tears from shipping and storage

2 reviews for Daniel Defense RIS III MLOK Rail, 13″ FSP FDE

  1. Tyler Slawson (verified owner)

    The RIS III has been amazing, solid lock up as expected and looks beautiful on the rifle, also 100% recommend shopping from rooftop defense, FAST shipping and free food. Not to mention the amazing customer service offered

  2. fjords-tumults.0v

    Love it on my new M4A1 FSP build!! A touch of classic GWOT w/ smoother (and slightly lighter) ergonomics. It’s hard to explain w/o pics but unlike the common MLOK rails out there in the market that are built using slimmer metal material, the thickness of metal material and heft is there like the RIS II’s minus the Picatinny (that’s why RIS III’s weight is near RIS II’s weight, I also compared the insider diameter’s, etc. w/ my MK18 RIS II rail).

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