It's a lock from h*ll. Instead of V springs like the original back action lock, it uses coil springs. It also uses polymer shims between the hammer and the lockplate.
My new issue is pressing the hammer onto the tumbler. I've placed them in copper lined jaws of a vise and squeezed them hard, but there's still play. The trouble with the play is that if the tumbler cants to the side because of pressure on the hammer, there's enough disengagement for the sear to slip. So now I'm thinking of using an arbor press to press (with a block beneath the bridle to support the lock and prevent it from being crushed) to push the hammer onto the tumbler.
My question is how did they assemble them at the factory?
My new issue is pressing the hammer onto the tumbler. I've placed them in copper lined jaws of a vise and squeezed them hard, but there's still play. The trouble with the play is that if the tumbler cants to the side because of pressure on the hammer, there's enough disengagement for the sear to slip. So now I'm thinking of using an arbor press to press (with a block beneath the bridle to support the lock and prevent it from being crushed) to push the hammer onto the tumbler.
My question is how did they assemble them at the factory?