Gizmo of the week.

[DaveTooley]

Double ended Shoulder bump- seating depth - case length gage
I have a new caliber I'm bring online for the Tackdriver this fall. I'll have the barrel in a few more weeks but do the prep work now that the reamer is here. Sorted the dies out last week.

 

[Fuj]

"New Caliber" ?? My curiosity went up a few levels......

 

[ShtrRdy]

That's a great idea!!

 

[BCP1980]

Dad made me one for seating depth from my 30BR barrel stub….case length gauge on other end is nice touch

 

[SKWERLZ]

Double ended Shoulder bump- seating depth - case length gage
I have a new caliber I'm bring online for the Tackdriver this fall. I'll have the barrel in a few more weeks but do the prep work now that the reamer is here. Sorted the dies out last week. View attachment 1655781View attachment 1655782

That’s cool!

 

[Alex Wheeler]

Looks like a zero freebore, 30 br?

 

[DaveTooley]

Looks like a zero freebore, 30 br?

Good eye but no.

 

[Sniperhandle]

Give us a hint.

 

[DaveTooley]

Well we have 22 lbs. and a muzzle brake to work with. A BR seems like an under achiever.

 

[Fuj]

A BR seems like an under achiever.

I like them shortened .284 Win cases. Bullets still a problem
but working on that......So any teaser on the case your playing
with ??

 

[Alex Wheeler]

Based on the hole size of the bump side of the tool, wsm?

 

[DaveTooley]

Based on the hole size of the bump side of the tool, wsm?

Nope You're a smart fellow. I would have thought you would get closer than that. I guess too much beer around the fire barrel.

 

[LVLAaron]

I don't think he's gonna share.

 

[jackieschmidt]

I have been using these for quite some time. I have them for my 30BR, 6PPC, and 6BRA.

They are really handy.

 

[Alex Wheeler]

Nope You're a smart fellow. I would have thought you would get closer than that. I guess too much beer around the fire barrel.

Lol, the fact you would consider me a smart fellow proves you may also have had too many beers around the fire barrel.

 

[ORjeff]

The hint of 22 pound limit implies Fclass but F class doesn't allow muzzle brakes so not sure how to interpret that hint. But, if you're going big the max you can go in Fclass is 35cal so maybe 358 Win (which is my hunting cartridge but it's not a long range gun) or 35 Whelan or something like 284Win or 300WSM blown out to 35cal using some long copper bullets to keep the BC up and the weight down.

I like that neck length tool. I will be making one for myself soon.

 

[Sniperhandle]

Well, if you're going big the max you can go in Fclass is 35cal so maybe 358 Win (which is my hunting cartridge) or 35 Whelan.

And I like that neck length tool. I will be making one for myself soon.

No match bullets available so that's a no go I would think.

 

[Fuj]

Well, if you're going big the max you can go in Fclass is 35cal so maybe 358 Win (which is my hunting cartridge) or 35 Whelan.

And I like that neck length tool. I will be making one for myself soon.

Key wording here is the Tack Driver, so it has to be 30 cal or smaller.

 

[DaveTooley]

Here's an example of the conflicting radius at the neck shoulder junction. Chamber vs virgin brass. I may have to open up the neck diameter in the gage but I'll wait until I have fireformed brass to confirm the contact point.

 

[Sniperhandle]

Ok here's my guess, A 30-284 by 1.75 inch?