"C/135" is a steel lot code. There is a similar number mid-way down the barrel on my USMC 1918 RIA M1903. RIA did manufacture National Match M1903s in 1919 - I have one: No. 387833/ RIA-2-19. They are not marked with star-gauge numbers or symbols.Information
![]()
Warning: This is a relatively older thread
This discussion is older than 360 days. Some information contained in it may no longer be current.