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Very Hot Topic (More than 100 Replies) What 6x45 loads are you guys using? (Read 14476 times)
canadakiwi
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Re: What 6x45 loads are you guys using?
Reply #30 - Aug 1st, 2017 at 1:31pm
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Yea, I am pretty impressed with it,

  
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Mathias
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Re: What 6x45 loads are you guys using?
Reply #31 - Aug 1st, 2017 at 3:41pm
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Thats mint shooting  Cool Cool Time to blood it man  Wink
  
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canadakiwi
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Re: What 6x45 loads are you guys using?
Reply #32 - Aug 22nd, 2017 at 3:38pm
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Well, had the 6x45 back to the range to test 80-85 gr, and 58 gr v-max, also out to 300 M on the gongs,
Winchester Brass and Federal gold primers. 60 mm OAL
80gr Sierra, 26gr Benchmark, @2919, 5 shots 
                   26.5  BM gave x5 @2977, SD of 8.4 & X5 @ 2784
                    27gr BM gave x3 @ 3030, one tight lift on bolt, so Max for this rifle,

85gr Sierra 24gr Benchmark X3 @ 2631
                   24.5 BM            x3  @ 2668, SD 8.4
                   25    BM            x6  @ 2748, SD 23
                   25.5 BM            X6  @ 2800, SD 15,
all groups sub one inch, with Mangospeed installed,
26.6 gr BM and 80 Sierra Blitz, ten shots inside 0.531 of an inch,
58gr V-max , with H4198 giving 3199 fps, and reasonable accuracy, more room here for bit more speed.
Very happy after today, walked the 75gr HP sierra out to 300 m in 50m steps, quite a bit more wind drift than the 80gr sierra, so not sure which, I will settle on for a heavy load.
Going to try 85gr partions, for accuracy, next, 
Another few weeks till rifle season opens for whitetail deer, and back to NZ for a month Oct/ Nov, then 4x4 weeks shift from then on.
  
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Mathias
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Re: What 6x45 loads are you guys using?
Reply #33 - Aug 23rd, 2017 at 7:57am
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canadakiwi wrote on Aug 22nd, 2017 at 3:38pm:
Well, had the 6x45 back to the range to test 80-85 gr, and 58 gr v-max, also out to 300 M on the gongs,
Winchester Brass and Federal gold primers. 60 mm OAL
80gr Sierra, 26gr Benchmark, @2919, 5 shots 
                   26.5  BM gave x5 @2977, SD of 8.4 & X5 @ 2784
                    27gr BM gave x3 @ 3030, one tight lift on bolt, so Max for this rifle,

85gr Sierra 24gr Benchmark X3 @ 2631
                   24.5 BM            x3  @ 2668, SD 8.4
                   25    BM            x6  @ 2748, SD 23
                   25.5 BM            X6  @ 2800, SD 15,
all groups sub one inch, with Mangospeed installed,
26.6 gr BM and 80 Sierra Blitz, ten shots inside 0.531 of an inch,
58gr V-max , with H4198 giving 3199 fps, and reasonable accuracy, more room here for bit more speed.
Very happy after today, walked the 75gr HP sierra out to 300 m in 50m steps, quite a bit more wind drift than the 80gr sierra, so not sure which, I will settle on for a heavy load.
Going to try 85gr partions, for accuracy, next, 
Another few weeks till rifle season opens for whitetail deer, and back to NZ for a month Oct/ Nov, then 4x4 weeks shift from then on.


Good solid info there Canadakiwi for those looking at this type of caliber.
I see you didn't try the CFE223 again, too slow for the 85gr do you think? Mind you, I see your grouping is all sub moa so whats a few fps to a deer  Wink
  
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canadakiwi
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Re: What 6x45 loads are you guys using?
Reply #34 - Aug 23rd, 2017 at 11:20am
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Mostly I tried Benchmark as was low on CFE.223, have now loaded up, a few rounds in 80gr at 27 and 27.5 gr and will test next days off for speed,
Thus far only the 55 gr Nosler B-tips aren't inside an inch, and the 75gr sierra Hollow points are the most accurate, I think the lapua brass, is helping on these loads.
Accuracy will tighten up a bit with the mango speed removed, as it moves around a bit, on the slightly tapered, cooper barrel.
  Have you used the 80 Sierra blitz on goats or small deer, ? hold up ok ?
I see a typo above, the second set of 5 shots with 26.5g of bench mark, should read 2984 fps.
Overall very impressed, likely stick to a 65 v-max at 3150 for a small game load,
the 75gr h-point for accuracy and goat hunting,
trying for a 80-85 for in the bush,
  
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takbok
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Re: What 6x45 loads are you guys using?
Reply #35 - Aug 23rd, 2017 at 5:17pm
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Thanks for the info, canadakiwi.

I've picked up half a box of 75gr Sierra HP's to try (since Mathias had such good results with them) when I test the 70gr blitzkings. I'm running low on Xterminator so will have to see what other powders I can get my hands on.
  
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Mathias
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Re: What 6x45 loads are you guys using?
Reply #36 - Aug 23rd, 2017 at 7:17pm
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canadakiwi wrote on Aug 23rd, 2017 at 11:20am:
Mostly I tried Benchmark as was low on CFE.223, have now loaded up, a few rounds in 80gr at 27 and 27.5 gr and will test next days off for speed,
Thus far only the 55 gr Nosler B-tips aren't inside an inch, and the 75gr sierra Hollow points are the most accurate, I think the lapua brass, is helping on these loads.
Accuracy will tighten up a bit with the mango speed removed, as it moves around a bit, on the slightly tapered, cooper barrel.
  Have you used the 80 Sierra blitz on goats or small deer, ? hold up ok ?
I see a typo above, the second set of 5 shots with 26.5g of bench mark, should read 2984 fps.
Overall very impressed, likely stick to a 65 v-max at 3150 for a small game load,
the 75gr h-point for accuracy and goat hunting,
trying for a 80-85 for in the bush,


I haven't shot any animals yet with any other bullets. The 75gr HP were recommended based on the fact that even though they are marked as a varmint bullet, their construction is for use in hot 6mms, so at 6x45 speeds they behave like a hunting bullet and I've found this to be true. They are really accurate in my 1:10 barrel and you are finding the same. I do have a few loads ready of the old discontinued Nosler 75gr Solid Base. Got a full pack and will try some on goats next month hopefully. I'm still yet to load some 85gr HP Sierra and try. If they shoot ok, then I'll give these ago on some reds. Have only used H335, but will give CFE223 ago to.

Keep up the great reports  Cool
  
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Mathias
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Re: What 6x45 loads are you guys using?
Reply #37 - Sep 4th, 2017 at 10:50am
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Just a brief update from me. Weather was shit yesterday but managed to fire a few off out of my 6x45. I loaded up some 85gr HPBT Sierra behind H335 & CFE223. Reached too much pressure early with the H335 before decent return of velocity. CFE223 starting load was same velocity as finishing load of H335 and no pressure signs. End result was, I reckon I could have gone another 0.5gr of CFE223 as my max load I'd made was just showing some primer sign of pressure. I did get just over 2800fps, low ES for the 3 shot group of 15mm. I was shooting over the bonnet of my truck down the river, so I would expect I would do better at the range, prone position for sure. All groupings were good, so this bullet suits my 1:10 barrel. Conclusion, H335 is a great powder up to 75gr bullet weight and the slower CFE223 takes over and works best for heavier bullets Smiley
  
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canadakiwi
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Re: What 6x45 loads are you guys using?
Reply #38 - Sep 20th, 2017 at 2:50pm
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Just got back from the city, no 85gr partions to be had, but $50 got me 200 speer 85gr boat-tail soft points to try,
Hopefully try, a few out in the morning.
Mathais, I see you have come to the same conclusion as me, with H335, I am likling benchmark, for versitiaty, 58gr-85g and CFE223 seams to give me slightly, better speeds.
H335 seams to be a dirty powder in my rifle, going to try a few more loads with H4381 for a light varmint bullet.
Hopefully a few more results, tomorrow night.
  
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Mathias
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Re: What 6x45 loads are you guys using?
Reply #39 - Sep 20th, 2017 at 3:38pm
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canadakiwi wrote on Sep 20th, 2017 at 2:50pm:
Just got back from the city, no 85gr partions to be had, but $50 got me 200 speer 85gr boat-tail soft points to try,
Hopefully try, a few out in the morning.
Mathais, I see you have come to the same conclusion as me, with H335, I am likling benchmark, for versitiaty, 58gr-85g and CFE223 seams to give me slightly, better speeds.
H335 seams to be a dirty powder in my rifle, going to try a few more loads with H4381 for a light varmint bullet.
Hopefully a few more results, tomorrow night.


Yep, H335 is like burning coal, leaves the chimney pretty dirty  Grin

I've got a few more 85gr HPBT Sierra loaded up with the CFE to see where my max is and accuracy. Just got to get time now.
  
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Re: What 6x45 loads are you guys using?
Reply #40 - Sep 20th, 2017 at 7:35pm
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I'm loving this thread... Mathias... nay chance of getting some good photos of your rifle up?
  

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Re: What 6x45 loads are you guys using?
Reply #41 - Sep 20th, 2017 at 10:34pm
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I ran some lighter jacketed bullet loads over the chronograph on the weekend. Here are the results (20.5" barrel). I'll try and shoot some groups soon.

1. 75gr Sierra HP, PPU brass, CCI 450primers, 2.28" OAL (Bullet touching rifling at about 2.3")

Ramshot Xterminator

26.5gr - 2901fps
27.0gr - 2924fps

2. 75gr Sierra HP, Reloder 7, 2.28" OAL

23.0gr - 2941fps, 2978fps (both flattened primers but case head fine).
23.5-no reading, Primer flattened & extruded into firing pin hole.

3. 70gr Sierra Blitzking, Reloder7, 2.36" OAL (to fit magazine, no indications of bullet touching rifling).

23.5gr - 3012fps ,2996 fps
24.0gr-3115 fps
24.5gr-3177 fps
25.0gr-3213fps (pierced primer)
  
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canadakiwi
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Re: What 6x45 loads are you guys using?
Reply #42 - Sep 21st, 2017 at 2:56am
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Takbok, nice to see your results, I think you would be better off, with a slightly slower burn rate powder, that Reloader 7 with the 70-75 gr bullet weight. Benchmark, H335, Varget, N133-135, H4895, if you have them aviable.
what make rifle is yours ?
  
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Re: What 6x45 loads are you guys using?
Reply #43 - Sep 21st, 2017 at 9:29am
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Yes, I must admit that Reloder 7 is a tad fast for 70gr and up - just checked the cases again and they're showing higher pressure than the Xterminator loads. I was just interested in seeing what it could do.

Since Xterminator supply seems to have dried up here I'll look for the next cheapest option!

Rifle is a Sako 75 with 1:8 Pac-Nor barrel.
  
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Mathias
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Re: What 6x45 loads are you guys using?
Reply #44 - Sep 21st, 2017 at 10:52am
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seventenths wrote on Sep 20th, 2017 at 7:35pm:
I'm loving this thread... Mathias... nay chance of getting some good photos of your rifle up?


I'll try & sort a pic out for ya, might be a week or so before I can  Smiley



  
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