I would think that Beeswax would work well. Another thought, a lot of the people using paper cartridges use a more traditional lube. A 1/2 and 1/2 mixture of Beeswax and lambs tallow, at room temperature it is a solid chunk. So take a couple of ounces use a candle melter once it is liquefied hold the paper cartridges by the envelope and dip the bullet almost to the paper let it cool, and there you go a coating of lube on the bullet. The lube I use is the "Gato Feo" #1 according to Gato Feo he did not invent it. However he is the one who published the formula as follows: 50% lambs tallow, 25% paraffin wax, and 25% Beeswax. I just started using it in a CVA Mountain Rifle 1 in 60" twist pretty much a round ball gun.