your probably gonna have to buy a new one form a dealer like jerry here on the site or a whole gun on GunBroker etc. to get a lefty LA. saw some on GunBroker. buy the gun and sell off what you don't want.
Dano
fyi...I got a 243 shooting 95 VLD's just off the lans. Wyatt extended mag box and I got room to spare. You may able to get by with a short action. Also getting 3200fps out of em (No AI)