TORQ. EMG / Daniel Defense Licensed M4A1 SOPMOD Block II Gas Blowback Airsoft Rifle View $465.00 - $635.00 EMG / Daniel Defense Licensed SOPMOD Block II w/ GATE ASTER Programmable MOSFET View $349.00 EMG Custom Built Colt Licensed M4 SOPMOD Block 2 Airsoft AEG Rifle with Daniel Defense Rail System View $345.00 It'll be a lot easier to install the GB and gas tube without the rail in place. Rainier Arms on Instagram Inspired by the battle-tested platform used by special operations, this CLONE is built around a free-floating 14.5" M4A1 Heavy Barrel and M4A1 Rail Interface System (RIS) II handguard. In that case, it will fit as long as barrel diameter is .750. As important, special tools are not required to mount the M203 grenade launcher. KEY FEATURES Aircraft Grade 6061-T6 Aluminum Free-Floating Barrel Design For Increased Accuracy Daniel Defense 5.56 NATO Rifles Review [2022] Manufacturer: Daniel Defense. Category suggestion. M4A1 Rail Interface System II, RIS II (FDE), Skip to the beginning of the images gallery. For the best experience on our site, be sure to turn on Javascript in your browser. By accessing any of Evike.com's services and products provided, you will have read, agreed, verified and acknowledged to all the conditions in Evike.com's, Aircraft Grade 6061-T6 Aluminum construction, Uninterrupted mil-spec 1913 Picatinny upper rail, M-LOK attachment at 7 different positions, Configurable sling swivel attachment points. UPC: SKU: DD-RISII-MK18 Categories: Daniel Defense, Firearm Parts, Pistol Parts, Rifle Parts Manufacturer: Daniel Defense. JavaScript seems to be disabled in your browser. The RIS II MK18 is NOT compatible with an M203. Yes, it is based on the GHK M4 Version 2 platform. window.__mirage2 = {petok:"nS4ZgfXWPIjghyIwtX1GcC4eFbwL7mBneXYr7h_7PQQ-1800-0"}; AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Externally it is a true to form replication of the real steel version as this is a fully licensed product.