SACair Forum

[quote="Reincarnation..."][quote="buckles"][quote="Reincarnation..."][quote="buckles"]the gearbox design is pretty darn impressive...[/quote]

not quite :P

[quote="buckles"]not quite :P

the version 8 gearbox is not based on the version 4 gearbox...

[quote="buckles"]the version 8 gearbox is not based on the version 4 gearbox...

The bolt blowing back is connected to the recoil system. There's a piece of metal attached to the recoil system which trips a lever via a tension spring. What that does is it starts a mechanism that pushes the bolt back. The bolt moving forward is due to a spring behind the bolt.