When should you buy a Nerf Blaster is best almost always buy zusats ammunition, as included only a full magazine with most blaster and the ammunition goes very quickly lost. So you kan per nerf Duel 2 - lose 10 rounds (each nachwaffen). On one should pay attention at the ammunition: the letters, although see all rosanen dart arrows geich of up to einzelnde letters on their heads, so to shoot by 10 cm wide and another times 10m.