Brass is expensive for the 43 Spanish. For accuracy and affordability go with the 45-70. For less recoil the 40-65, 38-55, or 38-56. In the 45-70 with heavy bullets use a 1in 18" twist barrel, in the 40-65 a 1 in 16" twist. In the 38-55 and 38-56 a 1 in 14" should do for bullets up to 330gr. Rbump