Day 9, Step 1
1) The barrels are inspected for dings, etc. after they’ve been polished and engraved. Steaming removes any built-up grease or residue that has accumulated over its lifetime.
Day 9, Step 2
2) The barrels are then dipped into a hot soap tank to be de-greased. Generally, they sit in this tank for about 30 minutes.
Day 9, Step 3
3) They are then rinsed off with water and towel-dried.
Day 9, Step 4
4) Using a propane torch, the barrels are warmed up for further drying. This step removes any extra moisture and enhances the bluing process.
Day 9, Step 5
5) Next, an abrasive pad is used to create a surface for the bluing salts to work on.
Day 9, Step 6
6) Using a brush, the bluing salts are being applied to the barrels.
Day 9, Step 7
7) The barrels are put into boiling water, which turns the red oxide black.
Day 9, Step 8
8) After several coats of bluing salts and trips to the water tank, the final coat is taken off with fine steel wool.
Day 9, Step 9
9) Finishing wax is then applied to stop the oxidizing process and to prevent rusting.
Day 9, Step 10
10) Here are the finished shotgun barrels after being wiped down with some G96.