Seems like the .357 Sig ammo has been hard to find lately. Purchased a thousand rounds from Ammunition Depot at a decent price so thought I would share it here, as compared to the $35 per box some are advertising.
http://www.ammunitiondepot.com/Remington-UMC-357-SIG-125-Grain-JHP-Ammunition-p/l357s2.htm
http://www.ammunitiondepot.com/Remington-UMC-357-SIG-125-Grain-JHP-Ammunition-p/l357s2.htm