Figure Headspace and timing gauge

Figure 3-18. Retracting the bolt.

(2) Hold the bolt in this position and screw the barrel fully into the barrel extension (Figure 3-19).

(2) Hold the bolt in this position and screw the barrel fully into the barrel extension (Figure 3-19).

Bolt Assembly Cal Machine Ngun
Figure 3-19. Screwing in the barrel.
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