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Joined: May 2010
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MIKE
Maybe 22 Hi Power (5.6x52R) because I know it will sure take Pronghorns (I can a test to that) and I hear its a Tiger hunting gun. At least I have seen a picture of that as evidence. smile
Think for right now 30-30 because it has taken more game then maybe any other, for the most part. And ammo is factory off the shelf.

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I'm in to watch another neat build you do Lynn!

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If changing the barrel is and option, I would go with 357 Max. This would give you 3 different choices in ammo with two cartridges strong enough for whitetail deer. I love straight wall cartridges in general.

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Well time to add a little having now survived my 3rd case of full blown Covid since 2020. The first pic is of steel that will become the floor plate. The floor plate with this design is the most difficult pcs to make and frankly the most important as all the function part connect to it in one way of another. The first cuts in the material* establish the zero/zero location for the action and parts . This first pic shows those cuts are now made and the action will mate as shown. * material is prehard 4140
[Linked Image from i.imgur.com]
The next pic shows what the floor plate looks like in the design
[Linked Image from i.imgur.com]
The last pic shows the floor plate assembled. With the action and barrel already inserted into the stock (similar to any bolt rifle), the floor plate will then be inserted from the bottom. The screws are inserted, tighten and the rifle is ready to go.
[Linked Image from i.imgur.com]

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Continuing work on the floor plate. The inside milling is done for now and I need to start cutting out the basic shape which is a pretty big job.
[Linked Image from i.imgur.com]

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Time to add a couple pictures on this project.
Progress has been happening but I just don't move as quick as I once did and my ability to stand at the mill has been reduced to about a hour at a time.
Anyway enough excuses for slow progress.
I have attached pictures of three parts I have made. None are 100% finished as I have to get to the fit and finish stage of the project first before 100% can be reached. I machine the parts, to use an often heard statement to 80% or so. Anyway the 3 parts are the Breech Block, Operator Link, and Double Extractor. I have a lot more pics and some of education value to on how some features were machined. If interested just ask and I can post. (For example the radius on the bottom of the Link and Extractor and then on the floor plate must match as perfect as possible, so the question is how do you do that? The technology to do this is hundreds of years old and its pretty much the same as the english gunmakers probably used on their fine single shots and other guns.)
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]

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Looking good!


http://www.bertramandco.com/
Booking African hunts, firearms import services

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Lynn,
I love your posts. I learn a ton from them. I’m curious why you call the one part a double extractor? It’s a rook rifle, so expectedly a single shot. Does the extractor bear on the cartridge case in two places? Please share more pictures and explanation as you can. Super insightful.

Larry

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Originally Posted by earlyriser
Lynn,
I love your posts. I learn a ton from them. I’m curious why you call the one part a double extractor? It’s a rook rifle, so expectedly a single shot. Does the extractor bear on the cartridge case in two places? Please share more pictures and explanation as you can. Super insightful.

Larry
Yes. Single probably is fine but what the heck its my design so I wanted a double. smile

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Originally Posted by earlyriser
Lynn,
I love your posts. I learn a ton from them. I’m curious why you call the one part a double extractor? It’s a rook rifle, so expectedly a single shot. Does the extractor bear on the cartridge case in two places? Please share more pictures and explanation as you can. Super insightful.

Larry

Dual extractor catches the rim of the cartridge at 9 and 3 o'clock for a very positive extraction. It's also much less likely to break the extractor if the case gets a bit sticky to extract.

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