M1 Garand Rear Sight Elevation Knob WWII Lock Bar <br>Springfield SA<br>1942-1945 use<br> - NEW - MIL-STDNEW Production M1 Garand Lock Bar Rear Sight Elevation Caps. These new production parts have Springfield SA style closed arrows and are knurled. Parts are parkerized to original MIL-STD-171 park finish (Mang Phos). These will be darker than the lighter Zinc Phos park finish, see last picture for a comparison of colors, left is Zinc Phos, right is what these are - MIL-STD-171 park per drawings. Knurled Elevation caps are appropriate for Springfield M1's from approx Jan 1942 until end of WWII production.