Systema Steel Cylinder Unit (BLUE) M110 for M4-M4A1 PTW T4E Magazines 5" metal quad raid system

5" metal quad raid system that you can use to attach accessories like a vertical grip

flip up sights and side saddle

sling plate

Has plenty of slots for maximum scope ring adjustments

to the Hogue rubber grip

Systema Steel Cylinder Unit (BLUE) M110 for M4-M4A1 PTW T4E Magazines 5" metal quad raid systemThe new PTW EVOLUTION cylinder casing is now made completely from one piece of SUS304 stainless steel (84g) rather than the aluminum casing (48g) on previous revisions of the PTW. The stainless steel cylinder casing is much stronger, thus resistant to deformation caused by minor drops, and dents caused if a stray BB is caught between the cylinder casing and magazine while reloading. Systema Retains the power level color coding of cylinders via a