This GG&G SCAR Enhanced Charging Handle is perfect for improving the ergonomics and handling qualities of the SCAR family's reciprocating charging handle. The lengthened and slightly downward-sloping enhanced GG&G handle is designed to be compatible with all popular QD throw lever mounting systems for optics, and is engineered to save the shooter's knuckles from taking a beating when charging the rifle. Installation is simple, fully ambidextrous and requires no modifications to the gun. Fits MK16, MK16S, MK17, MK17S and MK20SSR models. Manufactured from 4140 ordnance steel and finished in a durable manganese phosphate. Note: This does not fit 17S NRCH Model