MK18 MOD 1: Similar to the changes found in the SOPMOD Block II kit, the MOD 1 features a gas block end without a front sight and a railed handguard, by Daniel Defense, that extends all the way to the base of the flash hider to provide more accessory rail space for the user.

The MK18 Mod 1, renowned as the ultimate close-quarters AR15 upper receiver, prominently features the Daniel Defense MK18 upper in this build. With components such as the B5 SOPMOD stock, BCM MK2 RMS, and a LAW Folding Stock Adapter, this AR platform delivers a compact and agile design.

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.

Jul 14, 2016 · CQBR (Block II): M4A1 lower, DD Mk18 RISII, 10.3" bbl, KAC or Surefire FH/Suppressor, Block I and II accessories. Honestly, comes down to who you have more of a hardon for if you're cloning.

Mar 4, 2025 · For about $1,700 in 2025, you can build a functional MK18 with your preferred parts and upgrade it later to fully clone the original or match its look and feel as closely as possible.

… short-barreled rifle made out to match current-issue MK18. Since its initial issue in 1997, not only has SOPMOD undergone a major upgrade from the initial Block I items to Block II, but it also has numerous phased enhancements of lights and optics.

Jul 21, 2016 · Speaking generally, these weapons fall into two buckets: Block I and Block II, in relation to the respective SOPMOD accessory packages. Within those two buckets, the differences between the Mk18 and CQBR hinge primarily on the lower receivers and their markings, and who used them.

INFORMATIONAL PAGE ABOUT THE MK18 MOD-1. PARTS LIST AND PICTURES ARE INCLUDED.

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 …

The M4A1 Block2 CQBR, also known as the Mk18 Mod 1, is a special forces version of the M4A1 utilising the Close Quarters Battle Receiver (CQBR) kit, which provides a shorter barrel.