Use a leather washer if you are worried about out of true, just soak in neatfoot oil overnight, then squeeze out excess and take to the range to shoot it in. It should only take about 20 or 30 tins of pellets.
Use a leather washer if you are worried about out of true, just soak in neatfoot oil overnight, then squeeze out excess and take to the range to shoot it in. It should only take about 20 or 30 tins of pellets.