Choose any two variants of blow back operations and compare and contrast them.
For this week’s discussion, I have chosen two rifle length 9mm carbines from different parts of the world. The first is the Windham...
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Some questions posed in our Q&A are also asked by SDI curriculum. Though all answers are my original response, you may not copy my work and submit it as your own. If using GunsmithMD.Com as a resource, Please cite your work correctly. Thanks and enjoy!
Explain the difference between swaging with a reloading press and using a swaging press.
One of the biggest differences between swagging with a reloading press and using a swagging press is that the swagging press is...
Can I argue that piston-driven systems are better platforms for gas-operated weapons?
So, I have chosen to use Gun Digest as my gun publication of choice and I will be arguing the point that piston driven firearms are...
Can you ever see yourself abandoning conversion or heat-based procedures for spray on?
If the result desired by the customer is a color, then yes, I would agree that spray on finishes are the future. However, a lot of people...
What are some common methods for clearing the feed source for single & double action revolvers?
The feed source on both single and double action revolvers is the cylinder that locks into the frame. Clearing the double action...
What is a single action only revolver? What visual clues might you have with this type of action?
A single action only type revolver is one that can not be fired unless the hammer is manually cocked. Usually, the visual cue would be...
What is a double action only revolver? What visual clues might you have with this type of action?
A double action only type revolver is one that can not be fired in single action mode. This means there is no external hammer that can be...
What is “Cylinder Gap” & what potential negative safety and functionality implications does it have?
Cylinder gap is the term used for the distance between the end of the cylinder and the start of the barrel. These should have relatively...
Compare and contrast the lever-action firearm with the bolt-Action and single-shot firearm.
When working with a lever action firearm you do have a number of issues that you would not see with single shot or bolt action firearms....
Summarize the troubleshooting process by focusing on the common elements.
To start I believe everyone should focus on safety as it applies to every interaction someone should have with a firearm. This could mean...
What is a hammer block safety and how does this differ from a transfer bar?
A hammer block safety is an actual selector switch that is a rounded pin with one flat side. When it is selected to the safe position the...
Are there any tests or checks that you would perform on a revolver prior to returning it?
Yes, two of the most important things I would check are the cylinder stop and the spacing between the cylinder and barrel mouth. A few...
Why malfunctions of blowback-operated firearms are often related to operator or ammunition issues.
Malfunctions with blowback type operation can occur for many reasons including both ammunition and operator error. If the ammunition did...
What Tools & Materials are Needed for Preparing Firearms Before Spray on Finishes?
The tools and materials needed to prep a firearm for a spray on finish may include things like acetone to degrease the parts and a...
What is a transfer bar and what should it do in a properly functioning firearm?
The transfer bar is a type of internal safety that sits between the hammer and firing pin. When the trigger is pulled the hammer will...
Once specific safety and functions checks have been completed on a firearm, is it ready to be fired?
There may be many reasons for a test fire on a firearm. The first being the customer claims something is not working correctly with their...
Identify interesting aftermarket work that can be performed on a 1911 firearm.
Identify interesting aftermarket work that can be performed on a 1911 firearm. Turning the 1911 into what is sometimes called a race gun...
Identify at least two specialty tools that can be used on the 1911
The two specialty tools used for the 1911 I have chosen for this week’s discussion are the 1911 bench block and the lug fitting kit....
A quick breakdown of some of the most important things a firearms business needs to consider.
To avoid the copy and paste of everything we have already covered this semester, I will summarize a few of the topics and discuss how I...
What firearms should your business sell and what services should your business offer?
Explain the specifics of one type of firearms business. I believe it is important that you have a live fire facility for a number of...
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