It is not often that most people think how something was done in the “Old Days” but I do. Lots of times you can not reproduce a part using modern machinery with a great deal of work. The “Old Days” I am talking about is not the 1600,1700, 1800, but the middle 1900’s. I just […]
Okay had enough on this what is it Saturday. It was a tough one. A friend of Gun Lab sent this to me to add to my reference library.
It is an early rear sight aperture spring for the very first AR-18’s. It never went into production. I am looking for pictures of these rifles […]
A while back we showed you the springs that we obtained for the AR-180B safety and bolt hold open. We bought these with out the tabs pre-bent and trimmed.
The next step was to design the tooling necessary to bend the springs for an AR-180B rifle. A couple of pictures of the tooling necessary to […]
With the parts coming back from the heat treating company on Friday it was time to get busy getting them finished.
This is how they look after heat treating. This is the safety.
And this is the bolt hold open.
The first step was to run them through the tumbler to remove the majority of […]
An interesting question was brought up by Rick at http://ar180s.com/ a while back about making new AR-180B upper receivers. The actual receiver is not much of a problem however the trunnion is. The expense of making a new trunnion would be cost prohibitive so a different solution had to be found. In this case the […]
A friend of mine sent me a AR-180B upper receiver to look at and study. Here are a series of pictures giving you a more detailed look at it.
This is a right side view. As you can see they were made with out a dust collector flap.
A shot of the under side […]