This is a great deal for the shooter or builder! A good condition,"In Spec" Op Rod at a good price and a great price if you need a few. I have a large quantity SA-9 Flat Side Modified Op Rods produced at the Springfield Armory from Dec 1944 thru the end of production. By the middle of WWII they were geared up and they produced a huge amount of these revisions. I have a large quantity of this type and have put them on special. Check out the pictures, they are a good representation of what you will receive. These will all have a piston of .525 or better and a Lug of .090 or better, new parkerization and tilt tested. Check out the discounts above for a quantity buy. These are good to very good condition and will ship for Free! Get them while they last!