44-40 Caliber

Here we have the 44-40.  
It is more properly known as the .44-40
Winchester, also known as .44 Winchester, .44 WCF, and .44 Largo.
This round was introduced in 1863 and used in both rifles and revolvers.
Standard sizing is 0.427” but we offer 0.428” and 0.429” diameters as they are more popular.