You really in a bad situation, all that ammo and no gun to shoot it. The box is really worthless as it is serial numbered to the weapon. However the cleaning rod may bring you a little money. Also I noticed some of the ammo is old & might be have collector interest. I have never seen any Sears 32cal acp or any of the other small boxes. The best bet is to put it on an auction site and either sell it all, or individual boxes. I know I have scads of prewar PP's & PPK's that would luv to have it.
Also is that a 45acp 1911 barrel pictured? Wish I could have gave you a better answer, but thats the bottom line.