This Kombat M4 double mag drop leg holster is ideal for storing your M4 magazines for a quick reload of your magazine into your gun.  It has webbing leg straps with built in rubber grips to help secure the holster to your leg and an adjustable waist strap
 
Webbing leg straps with built in rubber grip to help secure the holster
Adjustable waist strap
Made from 600D Tac-Poly
Dimensions: 20 x 8 x 4cm