About Daniel Defense MK18 Mod1, the Special Operations  
Peculiar MODification (SOPMOD) Block II is an accessory  
system for the M4A1 & MK18 carbines comprised of  
difference length monolithic rail systems and  heavier  
free-floating "SOCOM" profiled barrels. 
 
MK18 Mod 1 including the Daniel Defense licensed RIS II  
handguards, DD RIS II are the main components of SOPMOD  
Block II, they are free-floating, two piece, ultra lightweight  
front rail system. It provides a full length mounting surface  
for all Picatinny compatible accessories: From grips, lights,  
PEQ boxes and anything in between. The handguard system  
is designed to accommodate an M203 grenade launcher with  
no special tools required. 
 
The CGS (CYMA Gas System) Series is a brand-new design  
featuring our greatest original new tech in gas blowback rifles,  
our development team is powered by SP System T8 airsoft.  
CGS GBBR series are widely cross-compatible with the TM  
MWS system, it provides an excellent base gun more reliable  
and efficient than alternative systems!  
 
Features 
•High quality aluminum alloy external construction
•Licensed Colt M4A1 with deep engraved trademarks with individual serial number
•Steel receiver pins, forward assist
•RS style Steel dust cover
•Brand new CGS (CYMA Gas System) patented Trigger box system ,Steel Bolt and Nozzle unit provides reliable performance and durability
•Brand new CGS (CYMA Gas System) patented QD Hop up unit provides convenient for Hop up adjustment and maintenance
•Cross-compatible with standard TM MWS-spec parts
•Short 10.5" MK18 NATO 5.56mm marking outer barrel 
•Daniel Defense Licensed Mil-Spec + RIS II 9.5” handguard features Lightweight, Two Piece & Quick Installation Design, Removable Lower Handguard to Easily Mount M203 Grenade Launchers, has 4 sides Full-length RIS for mounting standard 1913 Picatinny accessories
•Standard Mil Spec Style M4A1 pistol grip and Trigger guard
•Rear QD sling swivel steel mounting plate for sling
•30 round Lancer Systems L5 AWM 5.56 GBB magazine
 
Specifications: 
Length: Approx. 700mm - 780mm (Adjustable) 
Weight (w/ Magazine): Approx. 2800g 
Inner Barrel: Approx. 300mm 
Magazine Capacity: 30rds (Compatible w/ Other TM MWS  
Series Magazines) 
Thread Direction: 14mm Negative (CCW) 
Gas Type: Green Gas/134A Gas 
FPS Range: 340-380(Green Gas) / 282(123A Gas) 
Fire Modes: Semi/Full-Auto, Safety 
Package Includes: Gun, Magazine, BB Loader 
Hopup: Patented QD and Easy Adjust Hop up unit