engineering design | GunLab (KnownHost)

AR-180 part 3

In this write up we are going to look at the smaller parts and how they were made. The majority of the AR18/180 was a stamped weapon with minimal machined components. These are the stamped parts we are going to look at today.

The first part that we are going to look at is […]

AR-180 part 2

In part 2 of making the AR-180 we will be looking at the upper receiver and the steps necessary to make one. There are a number of rifles that use the same basic design concept. So this build concept would work for any of them.

This is the AR-18/180.

And a close up of the […]

EM-2 30-06 rifle

During the time period that the EM-2 was design it was made in a variety of calibers. These calibers ranged from the original caliber of .280 to the NATO standard of 7.62×51 through 30/06. This post is dealing with the 30/06 rifle. Basically what they did was to cut and weld a 7.62×51 rifle to […]

HEAT TREATING

During our recent trip through the mid-west I had an opportunity to stop in and chat with John D.,a metallurgist, and Joe P.,a heat treating professional. I ended up taking a number of pictures and John was nice enough to do a write up for me concerning what we looked at, what it does […]

Ar-180

I am always interested in how weapons are made, a major reason for this site. So when I had the opportunity to stop at a friends house on this last trip to look at components of the AR-180 in in various stages of manufacture I jumped on it. For those of you that do not […]

Weekend update 11-3

A number of items were worked on this weekend. Another section of the fab shop ceiling was completed as well as the out side cover for my forge exhaust.

Then it back at the fluting machine back plate.

The last item worked on was the stocks for the VG1-5. The have been […]

Mondays update 10-27

With the SAR show coming up quick the main push at Gun Lab is to finish out the VG1-5 project. Not all the rifles will be built prior to SAR, but the parts will be completed and the first 3 rifles will be completed. That is my goal at least. So right now we are […]

Shop Tuesday 10-8 fluting machine

We are working on all the components for the barrel fluting machine. This is the Master Cam video for the making of the lower base. This part allows the chuck plate to move in and out. This allows us to load and unload the barrels from the chuck.

This part has now been machined.

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Thursday”s post more on the fluting machine

After a 14 hour work day my energy level is in the toilet. We have been working on the fluting machine so here are a few pictures of the parts as they currently stand.

If I get home at a reasonable time tonight I will make a complete post on the parts […]

The metal used in firearms

I have been working on a post concerning the different types of metals used in weapons manufacturing. The start was when we did the post concerning the different types of brass and bronze used to make different parts of older weapons. I still have not completed the write up and have an interview with a […]

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