looking for loads for 1886 Winchester modern action pressures i.e. Miroku. Bullet weight 400 gr Speer soft points 300 gr Barnes tsx. Hornady 350 flat point. looking for 2000fps min. I know there is no Sammi spec for this gun. or does some have levergun50s E-mail address. I would like to buy this gun so i need some load data any help would be appreciated. Thank for your time.