Finally got my W.J. Jeffery 8-bore shooting!

I did some more testing today, this was a 1200gr bullet over 285gr of FFg black powder. Sadley, these did not shoot well, but for a change, my neighbor was there to record the testing.

Here are some short videos, hope they work:


 
That recoil through your back looked cool in the second video.
In the immortal words of my friend, "look at that back fat jiggle!". :E Rofl:

In the first video it's hard to tell, but the second video its more obvious, these cartridges have fairly heavy recoil. They don't hurt to shoot but they strain the muscles on your back. My limit is 4 shots in a sitting, beyond that and I will have muscle pain in my upper back for most of the following week.

I'm sure many of you will notice that I did not do well with these first two shots. The first video was my first shot and the second video was the second shot. However, after these videos were made, I loaded up two more cartridges and put them down range to confirm the load was not suitable. The right barrel shoots way left while the left barrel shoots far right.

I will try 280gr of black powder next time. But I'm not concerned as my smokeless load has already proved to be accurate enough for hunting.

My neighbor (who recorded the shooting) also took two shots with round balls over 10 drams (275gr) of black powder and one shot with my 1200gr smokeless load, did very well! All three of his shots would have been fatal to a buffalo at our 48 yard distance (the entire length of my yard).
 
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@Boone66 I do find it interesting that Schutzen FFg seems to be equal or more potent then the original black powder used. My ball load over 10 drams of powder actually crosses and increasing my powder load on the 1200gr bullets to 285gr completely destroyed any regulation I had with 10 drams.
 
@Boone66 I do find it interesting that Schutzen FFg seems to be equal or more potent then the original black powder used. My ball load over 10 drams of powder actually crosses and increasing my powder load on the 1200gr bullets to 285gr completely destroyed any regulation I had with 10 drams.
Schutzen is a more polished I think, so is a bit hotter then say goes, Swiss is even more so. I honestly didn't think it would destroy the pattern like that though.
 
In the immortal words of my friend, "look at that back fat jiggle!". :E Rofl:

In the first video it's hard to tell, but the second video its more obvious, these cartridges have fairly heavy recoil. They don't hurt to shoot but they strain the muscles on your back. My limit is 4 shots in a sitting, beyond that and I will have muscle pain in my upper back for most of the following week.

I'm sure many of you will notice that I did not do well with these first two shots. The first video was my first shot and the second video was the second shot. However, after these videos were made, I loaded up two more cartridges and put them down range to confirm the load was not suitable. The right barrel shoots way left while the left barrel shoots far right.

I will try 280gr of black powder next time. But I'm not concerned as my smokeless load has already proved to be accurate enough for hunting.

My neighbor (who recorded the shooting) also took two shots with round balls over 10 drams (275gr) of black powder and one shot with my 1200gr smokeless load, did very well! All three of his shots would have been fatal to a buffalo at our 48 yard distance (the entire length of my yard).
Have you shot it over a crony yet?
 
Schutzen is a more polished I think, so is a bit hotter then say goes, Swiss is even more so. I honestly didn't think it would destroy the pattern like that though.

I'm going to test loads of 270gr and 265gr of Schutzen FFg under a ball to see if I can improve my ball cartridges. I will do the same with the 1200gr bullet at a later date. Perhaps they used a larger grain of power more like Fg size powder?

Have you shot it over a crony yet?

I have tried on multiple occasions, but the smoke always screws up the reading.

On another note, I now have a sizing die courtesy of a gentleman on another forum. It gives a nice uniform size of .849". Another benefit of this die is I can now test some bullets another member sent me. A while back another forum member gave me some .853" 1330gr bullets he uses, but I wasn't willing to try them until I could size them down.
 
I'm going to test loads of 270gr and 265gr of Schutzen FFg under a ball to see if I can improve my ball cartridges. I will do the same with the 1200gr bullet at a later date. Perhaps they used a larger grain of power more like Fg size powder?



I have tried on multiple occasions, but the smoke always screws up the reading.

On another note, I now have a sizing die courtesy of a gentleman on another forum. It gives a nice uniform size of .849". Another benefit of this die is I can now test some bullets another member sent me. A while back another forum member gave me some .853" 1330gr bullets he uses, but I wasn't willing to try them until I could size them down.
I don't think it's a bigger size, from what I have read, it's about how refined the mix is and the outside polish of it. If you put a little of each out in the light side by side, you.can tell the difference. That's awesome that you have a bullet sizer.
 

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Currently doing a load development on a .404 Jeffrey... it's always surprising to load .423 caliber bullets into a .404 caliber rifle. But we love it when we get 400 Gr North Fork SS bullets to 2300 FPS, those should hammer down on buffalo. Next up are the Cutting Edge solids and then Raptors... load 200 rounds of ammo for the customer and on to the next gun!
To much to political shit, to little Africa :-)
Spending a few years hunting out west then back to Africa!
mebawana wrote on MB_GP42's profile.
Hello. If you haven't already sold this rifle then I will purchase. Please advise. Thank you.
jbirdwell wrote on uplander01's profile.
I doubt you are interested in any trades but I was getting ready to list a Sauer 404 3 barrel set in the 10-12 price range if your interested. It has the 404J, 30-06 and 6.5 Creedmoor barrel. Only the 30-06 had been shot and it has 7 rounds through it as I was working on breaking the barrel in. It also has both the synthetic thumbhole stock and somewhere between grade 3-5 non thumbhole stock

Jaye Birdwell
 
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