LWRC Magazine, 6.8SPC, 30 Rounds, Fits LWRC 6.8MM Only, Polymer, Black L04-0038C01 The LWRC SIX8 magazine features Magpul's M3 polymer technology and manufacturing processes for enhanced strength, durability, and reliability. The over-insertion stop on the spine helps ensure that the magazine will not over-insert on compatible weapons. It has a USGI-spec stainless steel spring for corrosion resistance and field compatibility. (Only Works in New LWRCI Six8 platform rifles)