Download video: Homemade Break Barrel Black Pipe Shotgun Build- part 1
TIP: Right-click and select "Save link as.." to download video
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Here's a link to my YouTube playlist that has similar gun builds that I've done. :http://www.getlinkyoutube.com/playlist?list=PLaSl_p2ZxsHH1ykTBvPcpBI2AODDsH8BO
LINK to part 2 of this video series: https://youtu.be/ds05iIDkimk
LINK to a web page about the bursting pressure specs of low carbon steel pipe: http://www.engineeringtoolbox.com/barlow-d_1003.html
Being able to measure things accurately is very important when engineering and building things or even repairing things so that's why I always use a precision caliper to measure things when I'm in DIY mode. Harbor Freight and Tool sells a digital one (4" capacity) that does both metric and English for $15. Like most calipers, It does Inside/outside/depth measurements to .001" accuracy. If you can measure with precision, you can do precision work with cave man tools. I use mine all the time when I'm DIYing.
Link to the caliper that I use: http://www.harborfreight.com/4-inch-digital-caliper-47256.html
$14.99 retail. Fits in your shirt pocket so it's real easy to take with you to the hardware store.
Here's one online source for metal stock: https://www.speedymetals.com/
Lots of plans available for other firearms built in a similar way.
Instructional download and drawings for building an authentic Cobray derringer: http://www.theflatspot.net/uploads/6/9/0/0/6900641/derringer_instructions.pdf
Excalibur LLC catalog- The current home of the Cobray Derringer parts kits. (Prices may have changed) http://www.theflatspot.net/uploads/6/9/0/0/6900641/excalibur_catalog.pdf
Cobray Derringer frame plates and breach plate: http://www.theflatspot.net/derringer-45lc410-sideplates--breech-face.html
Various DIY Plans, paterns, and blueprints at Weaponeer.net : http://www.weaponeer.net/forum/forum_topics.asp?FID=458
Some of these plans are NFA or AOW so beware. Some are black powder muzzle loaders as well.
The library at Weaponeer.net: http://www.weaponeer.net/forum/default.asp?C=4
I made this shotgun for myself because I love simple firearms. This project was an opportunity to learn, and doing it was outstanding entertainment. I have no intention to ever sell this shotgun or give any firearms that I make away so please don't ask me to do that. I also have no desire to make parts kits for firearms. Check out the links above because there's a lot of gunsmith knowledge and insight at those links. ;-)