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PostPosted: Fri Aug 03, 2018 9:09 pm 
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Location: Somewheres near the Atlantic
wesb2007 wrote:
Ok too bad. Maybe a guy can still get ahold of him somehow.

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Oooh good news, guess he made a new version. With less chances of pellets falling out.

https://www.ebay.ca/itm/MK2-5-Shot-Maga ... reech.TRS5


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PostPosted: Fri Aug 03, 2018 10:46 pm 
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Location: Caronport, Saskatchewan
That is a super deal! Well I found my dad's bday present anyway, or some of it at least! Thanks very much for sharing!

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PostPosted: Sat Aug 04, 2018 8:01 am 
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Location: Bowmanville, Ontario
We begin.

I chucked up some O1 tool steel, 1" round stock. Cut the overall shape I was interested in, drilled out the bore, and oops... Dyslexia kicks in...

I read the wrong drill size for the thread I wanted and drill the hole too big. When I grabbed the correct size drill for my tap I realized the size was somewhere similar to the effect of a hot dog down a hallway...

mulligan...

Second attempt, proper hole, proper threads, start cutting the shoulder that fits into the barrel, cut the final dimensions.
First pic is rough cut to size, wrong bore size. Second pic is proper threads and shoulder but not yet cut to final dimensions. The part is complete now on my bench, but I failed to take a picture. It was 3am, I went to bed.

Today I will do the adjustment screw and lock ring.


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Shawn


Fully rebuilt Benjamin .22 classic
Some other junk rifles
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PostPosted: Sat Aug 04, 2018 8:14 am 
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Location: GTA, ON
Nice work!! Look forward to see the final product!

I like the slick shiny SS look so much ~

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Future AA ProSport
HW30/35
2240+14" barrel
Camo Chaser long barrel rifle kit
P3+2x20 Kit Scope
HW40+Extender
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PostPosted: Sat Aug 04, 2018 8:23 am 
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Location: Bowmanville, Ontario
Aww, shame it’ll be blued.
I have stainless I could have used, but I opted for tool steel so I could harden it.
And personally, I like the black and brass look.

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Shawn


Fully rebuilt Benjamin .22 classic
Some other junk rifles


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PostPosted: Sat Aug 04, 2018 8:51 am 
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Here's how I left it last night. Won't have time till a bit later to complete it.
Right now it's chucked up in the rotary table on the mill to drill and tap the two screw holes. I've still to check what those screw threads are.


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Shawn


Fully rebuilt Benjamin .22 classic
Some other junk rifles
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PostPosted: Sat Aug 04, 2018 9:13 am 
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Great job!

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PostPosted: Sat Aug 04, 2018 10:08 am 
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Carpenter84 wrote:
Here's how I left it last night. Won't have time till a bit later to complete it.
Right now it's chucked up in the rotary table on the mill to drill and tap the two screw holes. I've still to check what those screw threads are.
Hmm ~ actually it's your own designed and customized parts, you don't need to follow the 'standard' other ppl used and make the one handy or say you think it's right ~

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Future AA ProSport
HW30/35
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Camo Chaser long barrel rifle kit
P3+2x20 Kit Scope
HW40+Extender
HW45+Grip panels from Russia


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PostPosted: Sat Aug 04, 2018 10:22 am 
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It is pretty much the standard design. Basically the same as the one I pictured further down. Once I understood what needed to happen the design was simple. However, they're all going to look pretty much the same as there's not much there to change design wise. The only thing different may just be the dimensions to a degree.

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Shawn


Fully rebuilt Benjamin .22 classic
Some other junk rifles


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PostPosted: Sat Aug 04, 2018 11:59 am 
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Posts: 624
Location: New Mexico, USA
Carpenter84 wrote:
Here's how I left it last night. Won't have time till a bit later to complete it.
Right now it's chucked up in the rotary table on the mill to drill and tap the two screw holes. I've still to check what those screw threads are.


8-32 thread pitch.

I have a Don Cothran ss power adjuster (in a plastic, right at the back of the ss Don Cothran breech) that I do not intend to use because my JSAR AR adapter has a built in power adjuster..

Image

Image


https://www.google.com/search?q=don+cot ... 9IHsOl8vcM:

Mine is the pointed tip..His latest version has knurling around the screw adjusters.


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PostPosted: Sat Aug 04, 2018 1:10 pm 
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Wow. Those are nice.

I wish I had a setup to anodized aluminum. It looks so much better. But, that would mean I'd have to not hate working with aluminum.

All the parts are completed. Time for heat treating then bluing.


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Shawn


Fully rebuilt Benjamin .22 classic
Some other junk rifles
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PostPosted: Sat Aug 04, 2018 1:44 pm 
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Location: GTA, ON
That's so NICE!!

And will you consider to make more and sell to our forum members?!

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Future AA ProSport
HW30/35
2240+14" barrel
Camo Chaser long barrel rifle kit
P3+2x20 Kit Scope
HW40+Extender
HW45+Grip panels from Russia


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PostPosted: Sat Aug 04, 2018 2:15 pm 
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Posts: 624
Location: New Mexico, USA
Carpenter84 wrote:
Wow. Those are nice.

I wish I had a setup to anodized aluminum. It looks so much better. But, that would mean I'd have to not hate working with aluminum.

All the parts are completed. Time for heat treating then bluing.


C84, they are stainless and not aluminum.

Don Cothran uses CNC

I bought this just for the parts when it was on sale on the 4th of July and with free shipping to boot. It has a Lothar Walther barrel in .177..I am a big fan of stainless:

Image

Btw, my stainless Don Cothran tube is a 2260--close to 17 inches long.


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PostPosted: Sat Aug 04, 2018 2:50 pm 
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Location: Bowmanville, Ontario
I was referring to what look like scope rings. Whatever was red.

Well, I'm done. Played around with the tempering. I was trying to get the part to come out blue, but after two tries I left it at a black chrome/titanium sort of look.

I'm about to head out and dial it in. See how it goes.

In a couple preliminary shots, this mod has revealed itself to be able to make the guns power significantly higher..... .... An unintended, somewhat undesirable, result....


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Shawn


Fully rebuilt Benjamin .22 classic
Some other junk rifles
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PostPosted: Sat Aug 04, 2018 4:03 pm 
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Location: Caronport, Saskatchewan
Looks great! Really nice work. However what you've got now is a power adjuster, not the ssg Bob was talking about that can greatly increase efficiency. You could use your setup by drilling a hole through that bolt and threading the ends of a rod on both ends, grinding down a nut so it fits in the back of the hammer, and putting the spring on the rod then sliding the rod in the hole in your power adjuster bolt and putting two nuts on the outside of the power adjuster so you can adjust how far that rod can go forward so that there is a small gap between the rod, and the back of the inside of the hammer. Then you can also adjust the spring tension by turning your big power adjuster bolt in and out.
Probably I'm not making sense but Bob's ssg post will explain much better!

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