I ran this same load in my 26" Proof barrel with 15 rounds down the tube and got 3262 fps average.
Hammer Hunter Load Data, (See page 1, Post 8)
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I ran this same load in my 26" Proof barrel with 15 rounds down the tube and got 3262 fps average.
Took the 30-06 to 500 yards to do a short ladder, 55-62 @ 1 grain increment. 61 started to see faint ejector swipe, 62 is hard bolt lift. I did not take the LabRadar, have terminal velocity reading from Shotmarker, just back calculate muzzle.
137HH
N540 powder
CCI 250
Disregard the SR3 target. We used it to zero our 300WM hunting rifles, and took cold bore at 500. Afterwards I ran the short ladder.
Any suggestion as to which load to start development? 58.5 would be my vote.
Back calculating based on the retained velocity at 500, my guess the muzzle velocity of 58.5 would be in the neighborhood of 3350-3370
137HH
N540 powder
CCI 250
Disregard the SR3 target. We used it to zero our 300WM hunting rifles, and took cold bore at 500. Afterwards I ran the short ladder.
Any suggestion as to which load to start development? 58.5 would be my vote.
Back calculating based on the retained velocity at 500, my guess the muzzle velocity of 58.5 would be in the neighborhood of 3350-3370
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SOOOO Close.
While working on a perfect load for my 25-06 Ai today i almost broke the magic 4K
Barrel=26" Douglas 1:7.5, 25-06 AI
Bullet= 92 HH
Primer fed210
Powder= Shooters world Precision Rifle (Varget)
56 Grains=3913
57 Grains=3996----Excess Pressure...Blown Primer.... Stopped
Fed-Well
While working on a perfect load for my 25-06 Ai today i almost broke the magic 4K
Barrel=26" Douglas 1:7.5, 25-06 AI
Bullet= 92 HH
Primer fed210
Powder= Shooters world Precision Rifle (Varget)
56 Grains=3913
57 Grains=3996----Excess Pressure...Blown Primer.... Stopped
Fed-Well
Do a mini ladder 58-60 by 0.2. And record your velocity and you'll dial yourself right in.
Here's my mini ladder for 109 absolute hammers. Showed me how forgiving of a node i was in.
Thank you for the input.
On the Shotmarker velocity on target there is only 40 FPS difference between 58 amd 59 grain charges. That's fairly flat. The POI is fairly flat at 500 yards with the two charges. Only one string, but good indication.
Easier for me just to take Shotmarker screenshots, as I get POI and velocity in the same picture.
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cooperjd
Well-Known Member
Did a little velocity testing today. Was going to shoot a few groups with the needmoor but the wind was howling and I couldn't hold the rifle still enough even with the bags. I did one group with the 6.5 that was about moa which was pretty impressive with how much I was moving.
Magnetospeed sporter
6.5 creedmoor
Tikka t3x, 24", 1:8"
Lapua brass, 2x
Cci-450
1/8 lee fcd
124 HH and RL-16
43.0–2934
43.5–2967
44.0–2998
44.5–3022–Ejector swipe, bolt a little stiff. Primer pocket loose with my no-go gauge. Probably play around the 43.5 and see how she groups. May also try IMR-4166 to get in the varget burn rate.
.340 weatherby built on a rem 700
24" lilja. Unsure on twist. I'm guessing 1:10
Weatherby brass, new
Cci-250
235 HH
With h4350:
78–2899
79–2960
80–2970, tiny ejector mark
81–3017, stuff bolt. Stopped.
With IMR-4451
76–2815
77–2818
77.5–2826
78–2824
Should I keep going here or try the 4350 for groups. I also have n560, should I play with that for maybe better case fill?
7mm rem mag
24" lilja 1:8"
Peterson brass, 1x
Cci-250
1/8 lee fcd
169gr HH
H-1000:
65–2939
66–3020
67–3027
68–3120, too hot. bolt slightly stiff. I'll try some groups around 66.
N560
62–2882
63–2934
64–2964
65–3028
66–3086, primer getting loose.
Magnetospeed sporter
6.5 creedmoor
Tikka t3x, 24", 1:8"
Lapua brass, 2x
Cci-450
1/8 lee fcd
124 HH and RL-16
43.0–2934
43.5–2967
44.0–2998
44.5–3022–Ejector swipe, bolt a little stiff. Primer pocket loose with my no-go gauge. Probably play around the 43.5 and see how she groups. May also try IMR-4166 to get in the varget burn rate.
.340 weatherby built on a rem 700
24" lilja. Unsure on twist. I'm guessing 1:10
Weatherby brass, new
Cci-250
235 HH
With h4350:
78–2899
79–2960
80–2970, tiny ejector mark
81–3017, stuff bolt. Stopped.
With IMR-4451
76–2815
77–2818
77.5–2826
78–2824
Should I keep going here or try the 4350 for groups. I also have n560, should I play with that for maybe better case fill?
7mm rem mag
24" lilja 1:8"
Peterson brass, 1x
Cci-250
1/8 lee fcd
169gr HH
H-1000:
65–2939
66–3020
67–3027
68–3120, too hot. bolt slightly stiff. I'll try some groups around 66.
N560
62–2882
63–2934
64–2964
65–3028
66–3086, primer getting loose.
I would try H4350 with the 169 HH in the 7 Rem Mag.
Eventually I will try H4350 with the 155HH out of a 7 Rem Mag. If you look on hammer time and see how well H4350 went with the 300 WM, seems like it should pair very well with the 7 RM as well.
I concur
Good day fellas. What happened to the PDF at the beginning of this thread?
Possibly getting updated?
Hard rock
Well-Known Member
Try the 90 gr absolute and you might get thereSOOOO Close.
While working on a perfect load for my 25-06 Ai today i almost broke the magic 4K
Barrel=26" Douglas 1:7.5, 25-06 AI
Bullet= 92 HH
Primer fed210
Powder= Shooters world Precision Rifle (Varget)
56 Grains=3913
57 Grains=3996----Excess Pressure...Blown Primer.... Stopped
Fed-Well
Ross1147
Well-Known Member
Another one for you GL.
Remington 783, 22" X caliber 8 twist 6 Dasher. Lapua 6 BR brass, CCI 450, IMR 4895, Hammer Hunter 55 grn seated to last grove.
35 grn shot 3600fps with one ragged hole over 10 shots.
Also likes to leave a vapor trail like a 737. Pretty crazy for shooting in the desert at 80 deg!
Remington 783, 22" X caliber 8 twist 6 Dasher. Lapua 6 BR brass, CCI 450, IMR 4895, Hammer Hunter 55 grn seated to last grove.
35 grn shot 3600fps with one ragged hole over 10 shots.
Also likes to leave a vapor trail like a 737. Pretty crazy for shooting in the desert at 80 deg!
Wedgy
Well-Known Member
- Joined
- Feb 9, 2013
- Messages
- 3,218
That is cool !! I know they had some bullets a while back that had cutting oil in the hollow points that gave the vapor trail. Might wash in solvent to remove it for game shots...and add more for target shooting.
