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What do you think of this? He specifically mentions 3d printed weapons, but he fires his Blank+Slug rounds from a full metal .22 Pistol.

I can only say that I tried this over a year ago with a Y22 hammer. I got a OOB, the 3d printed trunnion (?) broke, the rails broke... it was not fun.

I posted to FOSSCAD about it and everyone told me that the case pressure was too high, by supergluing (I epoxied, that might make a difference) the crimping shut when gluing the slug to it the pressure got too high and basically the back blew off the blank round.

Everyone also said that the 22 "Knall" (blank) rounds were way too hot, and that either powder had to be reduced or replaced entirely with Hilti powder.

In regard to this video, what do you think. Is this a viable round, or was he just successful because he was using a metal manufactured pistol?

Just thinking about this. Would it be possible? Using two collars, allowing the barrel to move back 3-4mm and tilt back 2-3°. I know this is in TinkerCAD, but I'm just messing with the idea.

Would this work? The hardest part would be getting it to return to firing position, right?

The firing pin for this .380 build is off center, unfortunately I can't do much about that without a complete rebuild. As you can see, I rotated the shell 3x to figure out if the firing pin was too high or too low. This happens also when I remove the firing pin limiting screw, so it's not that...

What could be causing these light strikes and is this still viable or do I really need to rebuild everything? **Causes I could imagine: **

• firing pin too short
• Hammer spring too week
• firing pit spring too long/strong
• primer isn't going off because it's not being hit on center

Can I still set off the primer if it isn't being hit perfectly on center? What's the most likely culprit?

I'd appreciate some input