Griffin Armament ECS Stock with Pistol Grip and Rail Shields Gray

The Griffin ECS stock represents the optimized general purpose stock for the M4 carbine. After development, in testing of actual units from the first production run, we drop tested an M4 carbine mounting the ECS stock in one foot increments from 1 foot to 10 feet onto concrete without failure. As a comparison a single drop of an issued M4 carbine stock from 5 feet resulted in a sheared mil-spec locking pin and stock locked on the receiver extension due to binding of one of the broken pieces of the pin. The ECS confronts design deficiencies in legacy systems. The current issued locking latch pin will bend and shear at the reduced diameter threaded shank, promoting stock failure- Griffin replaced it with a full diameter hardened stainless tool steel pin. The music wire spring is not a material recommended for outdoor use- the Griffin ECS uses 17-7 stainless steel springs which are outdoor use rated. The Griffin ECS also has water and debris evacuation ports compatible with the Griffin...