J&E SOPMOD Buttstock is designed to fit MILSPEC Buffer tubes. The J&E SOPMOD Features a excellent cheekweld for optimum shooting positioning. Within the stocks frame are two water tight storage compartments for small items. The rubber padded buttplate provides a non-slip surface for consistent shoulder and cheek placement. JE has taken features the users demand, and offering them a light, compact buttstock at a very attractive price point. This stock is perfect for any AR style rifle build.