The Bullet Gary Anderson P2 Stainless Steel from UNICORN is a dart set with barrels from Stainless Steel and is made for the novice darter. This set bears the name of the well-known Gary Anderson! The Bullet Gary Anderson P2 Stainless Steel is available in 3 sizes: 21-23-25 grams. 21G = Barrel Length: 52.70mm, Barrel Width 8.50mm. 23G = Barrel Length: 51.40mm, Barrel Width 9.00mm. 25G = Barrel Length: 50.40mm, Barrel Width 9.50mm.