Couple of notes:
That's the stock the rifle came in, but most of my shooting has been done w/ it in different furniture, including quite a while in the "Frankenrifle" stock whilst it was going through multiple changes. All that business is now on another rifle (as pictured).
Link to the "Speedhammer" thread, if you haven't seen it previously:
M1/M14Speedhammer - Military Surplus Collectors Forums