Blacksmoke
Member
I have never really understood these two concepts as applied to semi and full auto. Perhaps someone is willing to clarify?
Closed bolt seems straight forward: cartridge in chamber, bolt forward and locked, firing pin is cocked and falls forward to strike primer when trigger is pulled. In a semi-auto, case is ejected, fresh one chambered, bolt closes,, pin is back in cockes position. More or less?
Open bolt: cartridge enters chamber, bolt remains open, pin does not move independently of bolt. When bolt closes pin strikes primer, bang, bolt opens, case ejects and repeat.
The main diference being the pin does not work independently of the bolt?
Thanks in advance for clarification.
Closed bolt seems straight forward: cartridge in chamber, bolt forward and locked, firing pin is cocked and falls forward to strike primer when trigger is pulled. In a semi-auto, case is ejected, fresh one chambered, bolt closes,, pin is back in cockes position. More or less?
Open bolt: cartridge enters chamber, bolt remains open, pin does not move independently of bolt. When bolt closes pin strikes primer, bang, bolt opens, case ejects and repeat.
The main diference being the pin does not work independently of the bolt?
Thanks in advance for clarification.