This factory original Beretta barrel weight set includes 12 pieces of black steel magnetic weights. On some models, these weights can be fixed to the side ribs under the forearm to adjust the weight of the barrel. All of the pieces are stamped with their weights, six are stamped 1/6 oz (5g), the other six are stamped 1/3 oz (10g).
Compatible with 12 gauge Beretta DT11 Black , 692 Black and the new 694 models only. Barrel MUST be equipped with the appropriate holes to secure the magnets in place. See photo