Parts fabrication | GunLab (KnownHost)

Continuing the MP-44 trunnion

We have just completed the first operation 6 on the trunnion. It has also pointed out a few minor differences. When we started this project all we had was an original trunnion in very bad condition and a collection of out of spec drawings with incorrect dimensions.

Later a trunnion in very good […]

MP-44 Trunnions up date

We have now finished the first six test pieces up to the 5th operation. This next week we will complete op’s 6 and 7 and send them for verification for proper fit.

With the first 5 operations completed we will be starting on op6 soon. This is a master cam simulation of the process.

[…]

MP-44 trunnion part 2

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 […]

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.

[…]

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 […]

Recent Posts

Categories