Abstract: In one aspect there is provided a ram block inner seal assembly comprising a core member having a top face, a bottom face, a front face, a rear face, and two side faces. A connector portion connects the top and bottom faces. A peripheral member surrounds the front, rear and side faces. The core member further comprises a peripheral groove on at least the front and side faces, the peripheral groove having a cross-sectional profile. The peripheral member further comprises an energizing section that has a cross-sectional profile which substantially matches the cross-sectional profile of the peripheral groove.