5/16" copper tubing, straightened, cut to desired length
Copper gas check
Dab a touch of solder in the floor of the gas check
Sit the length of tubing therein
Heat up the pair until the solder melts
Run through a sizer die (I had Lee make me up a 0.305")
Now use as normal. The jacket situation is total **. There is no reason a finished bullet should cost only slightly more than a copper jacket
In before someone says that Sierra makes millions of 168 BTHP's and only thousands(?) of copper jackets. Economies of scale, yada yada yada. I know this...