1 an open structure that gives shape and support to something, such as the transverse stiffening ribs of a ship's hull or an aircraft's fuselage or the skeletal beams and uprights of a building. 2 an enclosing case or border into which something is fitted.
Metal; Ferrous Metal; Austenitic; Cast Iron. Material Notes: Type CRS is an austenitic material with graphite in the nodular form. It conforms to ASTM designation A439-60T and provides much higher strength than type CR with excellent resistance to corrosion, wear and heat.
The CCS is a 2 position stock and can simply be pulled into the fully extended position without the need for manipulation and collapsed by depressing the locking mechanism. The CCS is made out of 6061 T6 Aluminum, 4140 steel and a durable polymer buttplate to ensure its durability in the harshest environments.