EGW SELL A ONE PIECE BASE MOUNT FOR THR OPTIMA PRO MY IS A 2005 MODEL.
I PICK IT UP FROM OPTICPLANET
http://www.opticsplanet.net/egw-cva-...ount-2476.html
I WILL SAY TO GET THE BASE MOUNT BACK YOU WILL NEED TO DRILL 1 HOLE IN FRONT ON THE LAST HOLE AT THE REAR WILL GIVE 3 HOLD DOWN SCREW(MORE THEN ENOUGH):THE BASE MOUNT REAR WILL END OVER THE HAMMER
WEAVER RINGS AND NO MORE PROBLEMS WITH GETTING ENOUGH EYE RELIEF.I ALSO ADDED SET OF WAVER OFF SET RINGS GIVE ANOTHER 3/4" TO THE REAR