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Week end update 6-29

It was an interesting weekend as are all weekends around here. I finished filling in the trench for the new communications lines to the shop. With the cat5 water proof wire coming in I should have this project finished next weekend.

The filled trench that I still need to compact. The water proof wiring.

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AR-180B bolt hold open and safety spring

In a previous post comments Alex asked about the spring that the bolt hold open device uses. He wanted to know if we were going to make them. The answer is yes and here are a few pictures of them.

The spring on the right is an original while the one on the left is […]

Finishing machining the safety for the AR-180B

We have finally finished machining the last part for the AR-180B safety. This is the master cam video showing the steps that were performed to complete this task.

With this last installment we have now completed machining the safety for the AR-180B. This picture shows all the steps that we took to make the […]

AR-180B bolt hold open device

Short post for today, to much work yesterday and to little sleep. We finally received in the laser cur blanks for the bolt hold open lever. It looks good. We will need to finish machining it and then make a press tool to bend it properly.

Finished machining the pivot pin

This post will conclude the machining part of the AR-180B pivot pin for the bolt hold open. We have finally completed the machining portion of this project for this part. Here are the pictures.

This is the process from start to finish.

Our copy compared to the original. I will start parkerizing this next week […]

Making the AR-180B bolt hold open button

This post is about making the pivot button for the bolt hold open device for the AR-180B.

With no engineered drawings to work from the first item of business to take care of was making a drawing of the part with all the dimensions. To do this we used micrometers, feeler gauges and an […]

Machining the safety shaft for the AR-180B

This is the video of the actual machining of the AR-180B shaft. This is the first op in making this part. From here it will nest go to the mill to have the various flats, slots and holes drilled. Now on to the first op.

With the first op complete the next step is […]

Working on the safety shaft for the AR-180B

Sorry for the late post today. When I finally got home last night I went to the shop to work on the shaft for the AR-180B safety and did not finish until late. This is a quick master cam video on the process to do the first op on the shaft.

Here is the […]

Weekend update 5-31-15

Now as much to chat about this weekend. Spent most of Saturday machining the AR-180B selector second op. The second op is now complete and we will be setting up the Sharps for the third op. The material and tooling is in to start on the safety shaft on the lathe then the pivot button […]

Japax wire edm

I am going to start a series of posts on the Japax wire edm. I am doing this for a variety of reasons. The first is that it is an easy way for me to show Brett, by the way who is a great guy, at McWilliams sales and service , http://www.mcwilliamsedm.com/index.html, what is going […]