KJW M4 R.I.S Gas Blowback Rifle Ver. 2 airsoft BB 4 model features the modular

4 model features the modular backstrap system which allows you to change the fit and feel of the grip to better suit your hands

and polymer battery stock

The new spring guide shaft features bearings that prevents the spring from building unnecessary tension by twisting and distorting in its place

Magazine Capacity: 25 + 1 System: Gas Blowback Gas: Green Gas

Description: NcStar Tactical Back Pack(BLK) Specifications: Large zippered clam-shell main compartment Internal zippered pocket and a separate divided compartments for a hydration bladder Padded shoulder straps Two adjustable compression straps on each side Six external zippered pockets PAL compatible webbing to make the tactical back pack a modular system Carry handle straps on the top and on both sides of the back pack

KJW M4 R.I.S Gas Blowback Rifle Ver. 2 airsoft BB 4 model features the modularDescription: Weight: 11 lbs 36. 5 x 11 x 4 (in) Capacity: 32 rds Velocity: 450 fps Metal Components: Body, Rail System, Barrel Realistic blowback system 3 rail covers included Railed upper receiver Aluminum outer barrel Flip up front and rear sights Steel and metal alloy internal parts provide great reliability Heavyweight magazine