GRACO Barrel weights. Never been used. $50 shipped to CONUSA. Barrel Weight Kit w/Adapters Easy to install, kit includes a barrel clamp and three different weights to choose from. The 4 oz., 6 oz., and 8 oz. weights are polished and blued steel. The clamp is lined with a non-slip tape to protect the barrel. Also included are two adapters to fit the unit to 20 ga., 28 ga., and .410 ga. Barrels
