GHK - Colt M4A1 Daniel Defense RIS II FSP GBBR Gas Blow Back Rifle Airsoft FAST 301R Checkered surface on the side

Checkered surface on the side gives you more friction for a firm grip

0 fps Power Source Top Gas Blowback YES Shooting Mode Semi

but it has also received a few updates to it

Magazine Release

For those who never heard of VFC

GHK - Colt M4A1 Daniel Defense RIS II FSP GBBR Gas Blow Back Rifle Airsoft FAST 301R Checkered surface on the sideProduct Specification Brand GHK Color Black Originating Armory COLT Model AR M4 SERIES Capacity (rds) 30 Power (fps) 400 Power Source Green Gas Top Gas Shooting Mode Semi Auto Full Auto Blowback Yes Hop up ADJUSTABLE Net Weight (kg) 3. 35 Length (mm) 820. 0 Content Included GHK COLT M4A1 Daniel Defense RIS II FSP GBBR Material Metal PRODUCT DESCRIPTION The GHK Colt M4A1 RIS II is also the SOPMOD Block 2 which is widely used by special operations