The 6UM

[Eiden]

That's a long shot congrats!

Haha! My bad, I’m not the best proofreader.

1 mule deer.


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[Eiden]

Good to know! What speeds are you able to get that going in what barrel length?

I have a 20” barrel and I am running them at 3150 at the muzzle with H1000. I wanted to try N570 to get faster speeds, but couldn’t find any when I was building the load.


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[khuber84]

Nose ring dtacs have notably less BC vs the standard non ringed units. I have shot prob 6k of the standards, they have all been 310-313g7 depending on rifle. The nose ring is right around 295-300g7. There are lighter bullets with less bearing that hang with that g7 bc range. I'm still waiting to get my hands on some deep cut dtacs to test out next year in the 20in 6saum. 3150-3200 should be doable as my 24in barrel ran to near 3500 before pressure.

 

[Ryan Avery]

6UM Brass is here and shipping. We didn't get as much are we hoped so don't wait if you need some.

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[Brix8984]

6UM Brass is here and shipping. We didn't get as much are we hoped so don't wait if you need some.

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Was there enough to cover the current back order of ammo and brass?

 

[Ryan Avery]

Was there enough to cover the current back order of ammo and brass?

Yes


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[IrkedCitizen]

Just ordered 100 loaded 6UM30 ammo to fire from my 6UM40 chamber for practice and fireforming to my chamber. Saves me time

 

[The Fish Box]

Got my notification that brass will be delivered tomorrow!!

 

[TheDeathWind]

They are no different than any other animal here they have to be managed and it feeds lots of children here.

There is something special about the necked down 6.5 SAUM case and the 115 Dtac NR. The 6UM is a killer!

The shot was 50 yards the PH told me to put it right at the bottom of the square. Unfortunately for giraffes they are born with targets on them. The bullet went between the ribs broke apart and took out the top of the heart and damaged quite a bit of the lungs. The bull was down within one minute of the shot. The PH said “that was not what I expected” and most Giraffes take one to three minutes to go down and more than half take multiple shots. These animal are beautiful and huge.


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I’m on my 3rd night of trying to read this thread front to back, just soaking all of this in. Just got my notice the brass is on its way. I’ve had no questions on the cartridge up until this point… but, I must know how giraffe tastes after killing it with your own baby? I’m guessing pretty sweet…

 

[Wprinkle]

That’s 1mm away from being the perfect gun!

Can’t wait to hear more about this one! What’s the “improved” do to the 6 Saum? Shoulder angle?

What’s the weight? That would be the perfect antelope rig.

I didn't know they made a 5MM lmao

 

[PathFinder]

Ordered two boxes, hopefully there's enough. Needed some head stamped brass to go to Africa.

 

[The Fish Box]

Brass showed up!!!
Left is necked down fireformed 6.5 saum, middle is 6UM head stamped and right is necked down unifired 6.5saum.

 

[nm.otter]

Anyone have a figure for case capacity (body up to shoulder start) on the 6UM?

I need to update my spreadsheet.

thanks!

 

[jmw]

6UM Brass is here and shipping. We didn't get as much are we hoped so don't wait if you need some.

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Any left, web site shows backorder, if you still have it I would like to grab some

 

[Gstew1930]

Beautiful

 

[PathFinder]

Any left, web site shows backorder, if you still have it I would like to grab some

Probably. I ordered two yesterday morning and had shipping confirmation by the afternoon.

 

[Tx_300wsm]

My brass came in today as well. Ordered a .272 bushing and 100 108 eldm's for fireforming. How fast do y'all think I can run those out of a 7.5t before I start to have issues? Will they hold together if I keep the spin rate under 310k?

 

[Ryan Avery]

My brass came in today as well. Ordered a .272 bushing and 100 108 eldm's for fireforming. How fast do y'all think I can run those out of a 7.5t before I start to have issues? Will they hold together if I keep the spin rate under 310k?

I pushed a bunch at 3400, no issues

 

[khuber84]

Brass is in, chamfer debur, brushed necks, leaded 210M with 57.5gr H1000 and Coated NR Dtacs to fireform. Loaded OD is 2755-276. That's gonna likely need neckturned in my 279nk chamber, we'll see what happens once formed up.

 

[HighUintas]

Brass is in, chamfer debur, brushed necks, leaded 210M with 57.5gr H1000 and Coated NR Dtacs to fireform. Loaded OD is 2755-276. That's gonna likely need neckturned in my 279nk chamber, we'll see what happens once formed up.

What do you like for min neck clearance hunting? That's part of where I screwed up on my one custom reamer order. Shouldn't have listened to the bench guys!