The Daniel Defense MK18 features the railed forend Daniel Defense currently provides to USSOCOM, and a 10.3” Cold Hammer Forged Barrel. The MK18 rail system features the patented bolt-up attachment system and has been rigorously tested …

MK18 URG-I: The Upper Receiver Group - Improved (URG-I) features a gas block end without a front sight and a railed M-LOK handguard, by Geissele Automatics. The URG-I also replaces the MK18 MOD 1's heavier SOCOM barrel with a standard "government" profile cold hammer forged barrel with a longer gas system. [7]

Look no further than our MK-18 Block 3. Featuring some great top tier parts. Pictured specs include: TNTE 10.5" 1/7 twist 4150 5.56 chamber phosphate finished and chrome lined barrel. TNTE Pinned on Low Profile Gas Block. Geissele 9.3 MK-8 rail. A2 Flash Hider. T7076 Mil-Spec upper with M-4 feed-ramps and laser T-marks.

Oct 24, 2019 · These clone inspired builds include CQBRs (Close Quarters Battle Receiver) Block 1 and Block 2, MK18s Mod 0 and Mod 1, or the URG-I (Upper Receiver Group Improved) that was just introduced to the United States of America Special Operations Command.

Experience the pinnacle of close quarter battle rifles with the Mk18 Mod 3 11.5" Colt - Geissele CQBR URGi Upper Receiver Group. Crafted to the highest military standards, this custom-built masterpiece will revolutionize your shooting performance.

Mar 16, 2014 · When discussing the Mk 18 / CQBR program, we can divide the history and discussion in to two distinct categories: 1) The weapon system itself / upper receiver supplied and 2) the group of accessories deployed on said weapon systems (SOPMOD).

1 day ago · The MK18 RIII™ AR15 style Upper Receiver Group is unmatched in size, weight, and performance, and is built around a 10.3 inch Cold Hammer Forged M4 Profile barrel with a Daniel Defense Flash Suppressor, a GRIP-N-RIP Charging Handle, and our carbine length gas system. It features a 9.5 inch lightweight RIS III rail—modeled after the revolutionary RIS II two-piece handguard developed for ...

Jul 13, 2017 · Now there isn’t officially a Block III variant of the MK18, but many sources show various groups using the Geissele MK8 rails. The name is part tongue in cheek and part reality.

Mar 4, 2025 · The MK18 MOD 3 is about having a 11.5" barrel and the MK16 rail & better suppressor performance. The US Army calls it the MK18 CQBR UGRI.

May 7, 2021 · No, the military went with the URGI as the "Mod 3". But it's called the URGI and it's a whole lot of Geissele and Colt. Avoid Charlie's, especially if info on what they're "selling" isn't readily available. There’s no such thing as a legit mod 3 designation.