The Cobra Stock MK2 from Trinity Force features the company’s locking system, battery storage compartments and an oversized cheek rest. It is easy to install and remove on any Mil-Spec buffer tube. The butt pad profile is angled to accommodate plate carriers and its aggressive texturing will ensure minimal movement when manipulating the rifle under stress. For safety, Trinity Force recommends this part be installed by a competent, qualified gunsmith/installer with an understanding of the weapon platform. Made from high-density polymer/rubber, the Cobra MK2 has two ambidextrous sling mounting options. MSRP: $40. Contact: www.trinityforce.com