1. Only the bolt face recess was enlarged to suit the PPC case. 2. During ignition, the cartridge's base, forward to the bolt face , is not supported. 3. Examples include firing pins and rifle bolt faces , or engine camshafts. 4. Their firing pin holes are welded closed on the bolt face . 5. The Model 1895 differed from the Mauser Model 1893 with regards to the bolt face . 6. The rounds are mechanically fed onto the bolt face with the pull of the charging handles. 7. Only the bolt face must be opened to a diameter of 13.3 mm ( 0.524 in ). 8. The ejector was now a plunger on the bolt face rather than a blade mounted in the receiver. 9. The main disadvantage of direct impingement is that the condensing on the bolt face and primary operating mechanism. 10. Headspace for rimmed cartridges is the space between that forward ledge and the bolt face when the action is closed.
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