Did you try and shoot 45 auto rim cartridges in it? This is the rimmed version of the 45acp and should chamber in any revolver that uses 45acp. Your Taurus may have enough room between the chambers to use it. Remington made it but it may have been discontinued but perhaps if you shop around you may find a box or two.
Because you will not use the clips you will lose some speed in reloading.
Because you will not use the clips you will lose some speed in reloading.