25-06 Ackley Improved

Fotis

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Anyone running one?

What are your favorite loads? I recently had a Ruger #1 rebarreled with a 1:7.5 twist 26" Benchmark barrel.

Shot it yesterday with the 131 Ace bullets and the 128 hammers. 52 gr of 7828scc produced 3000 fps and flattened primers and some sticky ejection. Too fast of a powder, I guess.

I had to start somewhere and now I know.

Going to start with 53 gr of RL33 this weekend and work up. Either bullet with decent pressure at 3000-3100 fps would make me happy.
 

B-LOT Banga

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Hawaii
Tikka 26” barrel 1-7” twist
131 blackjack with 62 gr retumbo
2x fired Hornady brass
Winchester LRP
COAL 3.375”
3240 FPS
Single hole @ 100 yds & 3/8” @ 200 yds
Devastating on animals with 2”-4” exit holes, all expanded and exited out to 514 yds.
 

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GLTaylor

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Alas, my AI (old) has a new bbl on it (it's 2nd) and it has a slow std twist. Playing with other rifles right now.

When I get to it, I want to run some Hammers through it. The 92s are getting some outrageous speeds😜
 

fmuguira

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Nov 6, 2010
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Fotis, keep us posted. Curious where you end up at with R33.

I m guessing it ll be 60-62 grains. That’s what our 6-280AI s like with 110 MK s.
 

Fotis

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Ok this gun is problematic period!!!! The dimensions of the chamber can not be correct. Case in point. 100 Ttsx Barnes,. 60 grains of H1000 coal at 3.250". Not a Max load but normal. Well flat as hell primer, failure to extract,. Used a cleaning rod, and only 3265 fps.

Well I know I can do this with a regular 25 06 and actually break 3300 ft per second but remember this is the 40° improved version of the 25-06 something is definitely wrong with this rifle

Then I tried the 131 grain blackjack with 62 Gr RL 33. This is a super slow powder. I got 2,950 ft per second flat primer no extraction again I have to use the cleaning rod
 

fmuguira

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Definitely sounds like something is amiss. Might the case length need trimming as it’s touching end of chamber? Tight neck reamer and brass needs turning?
 

Fotis

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It's going back to the gunsmith I'm sure the chamber of dimensions are way off when you can barely get 3,100 feet per second with an improved cartridge with a 100 grainer as a safe load
 

BEEMAN

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Oct 20, 2011
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Yeah something isn’t right. When I had my 25-06AI I shot 115 Berger’s at 3350 FPS with H1000. Barrel was a 26” Krieger. My 25-284 now shoots the 131 BJ at 3160 FPS with a 25” helix 6 . Twist is 1-7.25”
 

bigdumboy

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Mar 23, 2011
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Shippensburg Pa
This is my 25-06ai on a savage long action with a kreiger ss match barrel at 27 3/4 in the action bedded.
Fire forming loads 51 grains of h4831sc with a Hornady 117 grain sst seated just off lands. Brass is Nosler primers are federal 210 match. 2785 FPS is average on this load first time fire forming. Have Berger 115 that l am going to load after brass is annealed. Going to try Imr 4350 to start.
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Fotis

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I spoke to the gunsmith yesterday and he said to go ahead and send it back which I did. I'm sure he'll find something wrong with it
 
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