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VG1-5 update fire control group

On our last update we discussed the newly design disconnector, http://gunlab.net/update-on-the-vg1-5-project/.

With this new disconnector we have now hand fitted all the fire control groups. Once this task was completed we then took apart all the fire control groups to do the last heat treating.

Disconnectors

Safeties.

Safety detents.

This now finishes the last of […]

September 5th, 2016 | Category: Gun Lab, heat treating, Parts fabrication, VG1-5 | Leave a comment

PTR44 locking shoulder damage

Pete, a friend of gun lab, Sent me some pictures of a rifle that has come into his shop for repair. When he tool it apart and check out all the components he notice the condition of the locking shoulder. In the following pictures you can see the damage that has occurred to the PTR-44 […]

May 5th, 2016 | Category: Friends of Gun Lab, Gun Lab, heat treating, metals in gun making, metalurgy, MP-44, Parts, STG-44 | 4 comments

VG1-5 update lapping the bolt holes.

We are making head way on the VG1-5. There are a lot of small steps that take a great deal of time to accomplish. In this case it is the two hole on the bolt that lock it into the upper receiver and hold the firing pin in place.

A quick video.

This how […]

March 15th, 2016 | Category: Gun Lab, heat treating, Parts, Parts fabrication, VG1-5 | 2 comments

AR-180B parts update

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 […]

August 25th, 2015 | Category: AR=180, de-buring, Finishing, Gun Lab, heat treating, Parkerizing, Parts, Uncategorized | 15 comments

Gun Lab update

This is an answer to a friends question about a particular project.

It is good to always keep checking with me. Things can get a little hectic around here. This is the status of the projects here.

1) the MP-44 trunnions test pieces have been completed and sent to the buyer. A […]

August 18th, 2015 | Category: AR-10, AR=180, Cetme model L, cnc router, Die making, engineering design, Gun Lab, heat treating, Japax wire edm, Parkerizing, Parts fabrication, Sheet metal pressings, solid modeling, weekend update | 11 comments

Just a quick update on the VG1-5 project 5-2-15

All the firing pins for the VG1-5, the Star pistol and the M1930 Sauer have been sent to heat treat. The buffer pins are there as well. The spot welder have been wired up and the coolant system will be finished this weekend. The first rifle was sent a while ago to Greg who took […]

May 2nd, 2015 | Category: Gun Lab, heat treating, honey do., Parts fabrication, random info Wednesday, VG1-5 | Leave a comment

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 […]

November 5th, 2014 | Category: EM-2, engineering design, Gun Lab, heat treating, metals in gun making, metalurgy, Parts, Parts fabrication, Weapons Design | 4 comments

Monday update 10-20

This is just a quick post in that we are home after a grueling 16 hour drive. I will have a complete after action report of our 10 trip looking at guns and talking to heat treating specialist and metallurgists. We had a great time and visited some old friends and made some new ones […]

October 20th, 2014 | Category: heat treating, metals in gun making, trip | One comment

Heat treating video

I have an opportunity to interview the owner of the heat treating firm that I go to.A very knowledgeable gentleman that has been in the business for over 30 years. That being said I have always found heat treating to be one of the mystic black arts in the metal working trade. They do ferrous […]

September 25th, 2013 | Category: heat treating | 14 comments