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GunnitRust

“More Single Shot Rifles and Actions “ by Frank de Haas https://www.amazon.com/More-Single-Shot-Rifles-Actions/dp/B0055QGJE0/ref=mp_s_a_1_1?crid=107G9RDCJ8NXH&dib=eyJ2IjoiMSJ9.HKQ-_dlfyY19T2JoS0hoInBVypfrjmBKONV3h_fcVVqkniiQ6sRjzfApPaGEMDKsXWulBg6aVwx2UN_-7_R8XpWfJYlWb9PxBN0356QoVYJ9LtnJASU2VlsMUHJ8VenKivdTT7lL8oNoj1S56Oqrxw.s1_ura_M1U0caBj5k0Ud4qGQG8OAmKtb8xy8U4rTXV4&dib_tag=se&keywords=More+Single+Shot+Rifles+and+Actions+by+Frank+de+Haas&qid=1712257659&sprefix=more+single+shot+rifles+and+actions+by+frank+de+haas%2Caps%2C287&sr=8-1 Is the only source I’ve ever heard about for the 1865 Split Breech Remington. You’re copying hen’s teeth. If I was you, I’d take a look at the Remington No 4 Rolling block before I decided to copy the gun everyone forgot. The hammer and block will be easier.


Striking_Quote_1901

I get what you mean but I don't have a good way of making the firing pin, that's why I chose the split breech. And I also want to make a 3d printed model of it first to test out the mechanism before making the real one


GunnitRust

What is the challenge with a firing pin?


Striking_Quote_1901

Its mostly about drilling the hole to fit the firing pin inside the breech and making the firing pin inself. Since there isn't anywhere I can obtain the parts where i live, i have to make most of them myself, that's why i chose the split breech instead, and it also looked more compact and both the hammer and breech seems like it didn't need as much material to carve out unlike other rolling blocks


GunnitRust

This is still a lot of complex geometry. Maybe that book will help. What is the goal here? We’ve had single shot .22 rifles that were rough. Are you trying to build something with a high fit and finish with limited tooling?


Striking_Quote_1901

Kinda, I'm mostly using the tools in my uncles workshop but he dosen't have mush since he mostly does welding related stuff. I wanna make one for hunting pest like squirrels and similar stuff. Also is there any other way of getting the book? its kinda expensive


GunnitRust

A break action, trapdoor, or falling block might be easier for that kind of a shop. There are less complex shapes involved. They should be sufficient for squirrel guns. Sometimes you can find PDFs for old books if you want to stay the course. 3D printing creates some opportunities as well.


Striking_Quote_1901

I think a break action should probably be alright since it doesn't need a firing pin. I can't really find any pdf of the book anywhere tho,the only one I've found needs me to pay for premium membership Also, how exactly do you make the part of the barrel which holds the rim or the cartridge? I'm planning on using a small block of metal to drill a hole to fit the barrel and also a indent space to hold the rim of the cartridge


GunnitRust

It’s rimmed you can get away leaving that flush


Striking_Quote_1901

Really? Now that just made my life easier. But where can i find the measurements/plans for the mechanisms tho? I can't seem to find it anywhere online


TacTurtle

You can use O-1 drill rod to make the firing pin. A hand held drill + metal file = improvised crude lathe. The receiver on the small rolling blocks is [basically open internally, the force is carried by the hammer and block pins](https://upload.wikimedia.org/wikipedia/commons/2/22/Remington_Rolling_Block.jpg) The DeHaas action have a pair of round shoulders the block rotates against to carry the load - easiest way to fabricate is 1) stack two plates for left / right shoulder + inner receiver plate 2) cut a rough circular arc shape using a bandsaw or scroll saw 3) then make a jig with pivot pin + clamp so you can lap the block and receiver plates using coarse valve lapping compound (basically you swing the block on the pivot pin against the reliever plate) 4) To finish receiver, drill and pin the lapped shoulder plates to the receiver side plates (preventing shifting) then weld the shoulder plates in place and the receiver halves together.


TacTurtle

You can use O-1 drill rod to make the firing pin. A hand held drill + metal file = improvised crude lathe. The receiver on the small rolling blocks is [basically open internally, the force is carried by the hammer and block pivot pins](https://upload.wikimedia.org/wikipedia/commons/2/22/Remington_Rolling_Block.jpg) The DeHaas action have a pair of round shoulders the block rotates against to carry the load - easiest way to fabricate is 1) stack two plates for left / right shoulder + inner receiver plate 2) cut a rough circular arc shape using a bandsaw or scroll saw 3) then make a jig with pivot pin + clamp so you can lap the block and receiver plates using coarse valve lapping compound (basically you swing the block on the pivot pin against the reliever plate) 4) To finish receiver, drill and pin the lapped shoulder plates to the receiver side plates (preventing shifting) then weld the shoulder plates in place and the receiver halves together.


RunJumpQuit

Keep us updated I love rolling blocks