SIG SAUER SIG716 Rifle - Manual (Page 49)

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6. as the bolt carrier continues rearward movement the extractor, gripping the right side of the expended cartridge case
pulls the case from the chamber.
7. once the expended case clears the chamber, the ejector located on the left side of the bolt face pushes the case out
the ejection port located on the right side of the upper receiver.
4.1.2 cocking of the hammer
1. as the bolt carrier assembly continues rearward the bottom surface of the bolt carrier cocks the hammer rearward.
2. The hammer is then captured by the disconnect and held in place.
4.1.3 chambering and locking
1. once the bolt carrier reaches its full rearward travel the buffer and recoil spring force the bolt carrier assembly forward.
2. as the bolt carrier assembly moves forward the next cartridge is stripped from the magazine and loaded into the chamber.
3. The bolt continues forward, rotates to the left, and locks into place.
4. The trigger is released and the hammer moves to its location of engagement with the trigger.
5. The rifle is now ready to be fired again.