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25x47 Lapua

Bill Norris said:
Looks like the Sierra 131 gr. M K is gonna want 40.8 gr. of H-4350 @ 2900 FPS. Weather permitting I plan to get a seat depth check done this afternoon. Then on to the tuner test following this week. Will most likely re-visit testing a little bit once the barrel gets enough rounds on it to speed up. I'm not looking to need much if any changes but we will see. I am liking this thing right now.
Click to expand...
I can see why you like it. 2900 out of that case looks fantastic .
 
Bill Norris said:
Looks like the Sierra 131 gr. M K is gonna want 40.8 gr. of H-4350 @ 2900 FPS. Weather permitting I plan to get a seat depth check done this afternoon. Then on to the tuner test following this week. Will most likely re-visit testing a little bit once the barrel gets enough rounds on it to speed up. I'm not looking to need much if any changes but we will see. I am liking this thing right now.
Click to expand...
Keep us posted Bill...
 
Kracken McGraw said:
I can see why you like it. 2900 out of that case looks fantastic .
Click to expand...
Differently, today I was seeing a very slight mark on the head stamp of the brass so moving back into the 39 gr. area with powder charge of H-4350. Plan to continue with the testing, HEAT permitting. I am cleaning after each test to keep the barrel as consistent as possible.

EDIT: WARNING DO NOT LOAD THIS WITHOUT THE CORRECT REAMER.
 
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Bill Norris said:
Absolutely great info. Very limited info on this cartridge and seems as if lots of guys are either building it or considering it very carefully. Just obtained mine and getting ready to work up a load with the Sierra 131 gr. M K soon. First 5 shots on paper are very promising @ a tad less than 1/2" group @ 100 yds. minus the cold bore shot. Planning to add the info here on the thread as I develop the load.

Rem 700 B R Custom by Old Dominion Custom Rifles - Zack Donovant

CHAMBER - 25 X 47 Lapua
BARREL - Hawk Hill 28 Inch 1 - 7.5 Tw. Threaded 5/8" X 24 Muzzle
w/V-2 E C Tuner & Thread Cover
ACTION - Rem 700 S S Polished - Custom Side Bolt Release
LUG - PTG .2285 Tapered
BOLT - Spiral Fluted - Sako Extractor Added - Bolt Face & Firing Pin Bushed - Custom Over-sized Knob - PTG Firing Pin Assembly & Tubb Duo- Springs Ejector Removed
TRIGGER - Jewell B R / Safety Delete / Bolt Release Delete
STOCK - Revolution BR 3 " F/A Bedded w/escutcheon Cobalt Blue Paint - Brett C.
SCOPE - Burris XTR II 8 X 40 X 50mm 1/8 MOA w/-0- MOA Base (06/17/25)
Click to expand...
That tool box is worth more than some of the cars I had in the '80s.
 
Bill Norris said:
Absolutely great info. Very limited info on this cartridge and seems as if lots of guys are either building it or considering it very carefully. Just obtained mine and getting ready to work up a load with the Sierra 131 gr. M K soon. First 5 shots on paper are very promising @ a tad less than 1/2" group @ 100 yds. minus the cold bore shot. Planning to add the info here on the thread as I develop the load.

Rem 700 B R Custom by Old Dominion Custom Rifles - Zack Donovant

CHAMBER - 25 X 47 Lapua
BARREL - Hawk Hill 28 Inch 1 - 7.5 Tw. Threaded 5/8" X 24 Muzzle
w/V-2 E C Tuner & Thread Cover
ACTION - Rem 700 S S Polished - Custom Side Bolt Release
LUG - PTG .2285 Tapered
BOLT - Spiral Fluted - Sako Extractor Added - Bolt Face & Firing Pin Bushed - Custom Over-sized Knob - PTG Firing Pin Assembly & Tubb Duo- Springs Ejector Removed
TRIGGER - Jewell B R / Safety Delete / Bolt Release Delete
STOCK - Revolution BR 3 " F/A Bedded w/escutcheon Cobalt Blue Paint - Brett C.
SCOPE - Burris XTR II 8 X 40 X 50mm 1/8 MOA w/-0- MOA Base (06/17/25)
Click to expand...
Hey I like that !
 
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