Home AR-15 Making an AR15 from soda cans, complete build- Part 2: THREADING! GunCraft101

Making an AR15 from soda cans, complete build- Part 2: THREADING! GunCraft101

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Part 2 of building my soda can AR 15 lower. In this video I go through the most challenging machining process of the build, threading the receiver for the buffer tube. Sure, I could have just bought a tap, but seemed like a cop out to me. Plus, paying $50 for a tap when the lower costs about $50… Nah, I had to thread it manually. Lots of challenges involved, but we got there in the end! Thanks for watching!

***There is not enough information included in this video series to build a firearm. Not even close!***

See the main video here:

Complete build series:
Part 1:
Part 2:
Part 3:
Part 4:
Part 5:
Part 6:
Part 7:

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29 COMMENTS

  1. Man… I LOVE this so far. I've been thinking about casting some brass gun parts as I've been getting some experience casting over the past 2 years. But I see some problems and I'd like to respectfully point them out. In the casting video, I noticed a few things you could have benefited from like vent holes, but you pointed out most of them (so I won't harp on those). And that makes your videos exceptional. You showing your failures is incredibly useful for everyone watching. And it takes humility that proves the quality of your character.

    I will say, your sprue/runner could have been improved and using risers would have negated the shrinkage. But I'm sure you know this by now. My earlier attempts were much more horrid, so no hate!

    The thing here that pains me is at about 4 minutes, when you start running the casting on the lathe, something doesn't sit right with me. I'm not sure how/if you indexed the part or cross checked it off camera, but it doesn't look like it's running true. Unless the faces of your casting are way off center. Putting the video on .25 speed, It looks like it's running really deep into the mag well side. I'm no machinist by any means, but something looks off to me.

    Anyway, keep the videos coming. You earned a new subscriber! This stuff is my day to day life, so I love seeing other people doing this stuff! I'll be watching!

  2. i may have missed something, why couldn't you just use a carbide tip to make the threads? once i saw you make one out of the drill i was like wth lol.

  3. Turn you boring bar upside down and move your compound rest 90 degrees to the other side for that clearance, spin the spindle in the opposite direction and thread on the far side of the inner circumference.

  4. a more accurate thread cutting method is to never disengage the feed screw. Just run the lathe forwards and backwards with feed engaged but the tool disengaged on the reverse run.

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