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In the white AR-180B upper receiver

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 […]

Cut away of the STg 45 rifle

I thought it was time for another cut away rifle that would be interesting. Most people never have the opportunity to see a STg45 much less the cut away version. Enjoy the pictures.

This is a picture of both the 06 and 06H (STG-45)

This is the first of […]

The next machining operation has been completed on the trunnion. This is one of the many unexpected problems with reverse engineering a component. The magazine did not fit. An error occurred that was missed. It is a good thing to check after every step which we do.

You can see the differences here and it […]

Making the VG1-5 cocking handle

Sunday was spent bending all the cocking handles for the VG1-5 project. These are the steps necessary to accomplish that task.

step 1

Step 2

step 3

step 4

The complete process.

This is the video taken to accomplish this part.

[…]

Reverse Engineering and machining the MP-44 trunnion

Here at Gun Lab we do a fair amount of reverse engineering, most of what we like to make have no drawings. However when there are drawings or solid models available we will use them. With this said I have found that most of what is available on the internet or in books is just […]

Pressing the AR-180B bolt hold open

Previously I showed a few pictures of the process in pressing the AR-180B bolt hold open device.

We started with a laser cut then machined blank.

This is the video showing the steps.

And after the pressing operation we have a completed part ready for heat treat.

[…]

Weekend update for 7-6-15

A number of projects were tackled this weekend, as always around here. First the comm trench was completed and 3 sets of cat 6 wiring was pulled.

Next weekend I will bring it into the shop.

A small a/c unit was set up in the wood shop. It is not big enough but it does […]

Update on the cnc router

In a past post you were shown a solid model picture of what the new base would look like.

You were also shown a picture of the parts being milled to correct size.

Here are a few pictures of the parts after they were cut and tapped.

These are the legs and cross […]

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.

[…]

Upgrading the cnc router

While messing around with the cnc router a number of problems were noted. Part of this last week and into next week we are correcting these problems and upgrading the router.

First on the list is a new table for the router. The original one has so much movement that we actually have chatter marks […]

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In the white AR-180B upper receiver

Cut away of the STg 45 rifle

MP-44 trunnion part 2