Jughead,
Your easiest, modest weight, quality options, using the existing sako rail setup, are sako ringlocks (not the two-piece optilock), avail in blued or stainless; or the leupolds. To get lighter still, i like conetrols and s&k; either in “low” will fit your purpose.

Golldammed motion detector lights. A guy can’t even piss off his porch in peace any more.

"Look, I want to help the helpless. It's the clueless I don't give a [bleep] about." - Dennis Miller on obamacare.