I have acquired two boxes of Winchester's 1914 "Lead" offering with smokeless powder.

1914

"Lead"

15gr Dupont No.2 (I have seen from 15gr to 17gr in other examples)

200.6gr Dia. - .425" (slightly squeezed...maybe .4255")

Bullet Length - .610"

Seating Depth - .325"

Case Length - 1.305" 

AOL - 1.592

Left - My 43-214A
Right - Winchester's 1914 200gr Lead

44-40 Website - https://sites.google.com/view/44winchester/chasing-the-44-40