cleaning rod, brushes, jags, solvent, oil, patches. Sling. A small tool kit consisting of allen wrenches you would need. A torque wrench for action screws and scope cross bolts. Krestel. Rear bag.
Keep in mind that there is more than one usable layer of foam in a pelican case. Anything that is soft can be stored under the rifle in the bottom layer of foam. I store my rear bag in a spot under the butt stock of my rifle. I store a torque wrench, oil and solvent under the box that has the allen wrenches and jags in it.
Also, closed cell foam is expensive, but well worth the money. It is much easier to work with and much higher quality than the open cell foam that comes with the cases. Both of my rifle cases are open cell right now, but I have done a bunch of pistol cases in closed cell and have the closed cell foam bought for when my custom .260 is finished. Either way, the foam will cut much cleaner with a hot wire cutter than it will with a knife. I mark the foam with chalk and then wipe the chalk off with a damp rag when finished. You want a fairly snug fit with open cell foam, and a fairly loose fit with closed cell foam. remember to stay away from the edges (at least 1" with open cell-- 3/4" with closed cell) and don't let large items get close together inside the case or they will contact if the case is dropped. I let my scopes float in the case. I want the rifle supported and if the case is dropped I want the rifle to take the brunt of the fall...not the scope. Also, you want the scope facing up when the case is being carried by the handle. Otherwise the scope will be on the bottom if you ever drop the case.
If you plan to fly you will want to check regulations. Some (if not all) airlines do not allow the rifle and ammo to be in the same case. Also, some airlines will want to check the serial number and you will have a lot fewer ignorant people handling your rifle if you have it in the case with the serial number showing. I don't fly with my rifle, so I didn't worry about either of these.
These are older pictures, but you get the idea. Both scopes are now floating as well as the bipod area. Be sure to allow enough room to leave a mag in the rifle. I did not do so on the rifle in the AICS chassis. Also, once you have the foam like you want it...use contact cement or 3M aerosol adhesive to glue the two bottom pieces of foam together. It will make it much easier to get the rifle in and out. The case with the AICS was my first one and was cut mostly with a knife. The case with the CZ was cut with a homemade hot wire foam cutter and you can easily tell the difference.
