The 6UM

[Rivertime_BD]

Put in an order for a 6UM-30 at Unknown Munitions in early January. I live right down the road from them in Post Falls, ID and their store is like Disneyland and all ppl there were great to work with. I have 100 pieces of the ADG brass on backorder as well as a set of the Whidden dies. Was able to pickup 500 of the NR DTACS (TBN Coated) and 3# of N570 as well. If I can be in the 3,200fps range I'll be plenty happy with it. Hoping to get to have the rifle back before 2025 hunting season, then I will post some results, load info, etc. Build specs are below, should be around 10lbs ish with scope, can, and bipod based on my calcs.

• Rem 700 SA (donor action, Kampfeld TI bolt fluting)
• XLR Magnesium Chassis w/ folder (Black)
• 20" Ace #3 Barrel (Ratchet fluting)
• TBAC Ultra 7 CB suppressor
• UM Titanium CB brake
• Nightforce NX8 4-32x50
• Tungsten cerakote

 

[Elkster23]

Put in an order for a 6UM-30 at Unknown Munitions in early January. I live right down the road from them in Post Falls, ID and their store is like Disneyland and all ppl there were great to work with. I have 100 pieces of the ADG brass on backorder as well as a set of the Whidden dies. Was able to pickup 500 of the NR DTACS (TBN Coated) and 3# of N570 as well. If I can be in the 3,200fps range I'll be plenty happy with it. Hoping to get to have the rifle back before 2025 hunting season, then I will post some results, load info, etc. Build specs are below, should be around 10lbs ish with scope, can, and bipod based on my calcs.

• Rem 700 SA (donor action, Kampfeld TI bolt fluting)
• XLR Magnesium Chassis w/ folder (Black)
• 20" Ace #3 Barrel (Ratchet fluting)
• TBAC Ultra 7 CB suppressor
• UM Titanium CB brake
• Nightforce NX8 4-32x50
• Tungsten cerakote

You should be able to get 3200. I have a 18in ace #3 and get 3250 out of it with n570 and HBN 115 dtac's.

 

[khuber84]

You should be able to get 3200. I have a 18in ace #3 and get 3250 out of it with n570 and HBN 115 dtac's.

Saum or UM?

 

[Elkster23]

Saum or UM?

UM. I misread you had the 6-30°

 

[Rivertime_BD]

Correct, I did a 6UM-30 just to keep things simple - buy 6UM-30 brass then plug n play at a small decrease in performance over the -40 degree shoulder. Will see how much once I get it shooting.

 

[khuber84]

Correct, I did a 6UM-30 just to keep things simple - buy 6UM-30 brass then plug n play at a small decrease in performance over the -40 degree shoulder. Will see how much once I get it shooting.

My new 20in 6saum is waiting for some fresh 6um 30° brass before it's maiden voyage.

 

[Rivertime_BD]

My new 20in 6saum is waiting for some fresh 6um 30° brass before it's maiden voyage.

Awesome! Keep us posted on the velocities you're getting

 

[khuber84]

Awesome! Keep us posted on the velocities you're getting

My 24in 6saum topped out at 3450 with dtacs and N570. Decided to do a shorter lighter contour for hunting purposes.