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 Fantastic cast bullet results from .300 Savage

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Shastaboat Posted - Sep 04 2017 : 05:31:55
Csparks1106 asked me to post his picture of his group he recently shot in his .300 Savage. Also he sent me this PM.

Quote:
Here's the info from my chronograph. I can't seem to get a picture copied of the target but it was a cloverleaf at 100 yards.

Created: 09/02/17 10:20 AM
Description: 300 Savage 185-1r Alliant 2400 21.5 grains
Notes 1:
Notes 2:
Distance to Chrono(FT): 1.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 0.00
Temp: 76 F
BP: 30.07 inHg
Altitude: 0.00
# FPS FT-LBS PF
5 1942 0.00 0.00
4 1923 0.00 0.00
3 1927 0.00 0.00
2 1937 0.00 0.00
1 1922 0.00 0.00
Average: 1930.2 FPS
SD: 8.9 FPS
Min: 1922 FPS
Max: 1942 FPS
Spread: 20 FPS
Shot/sec: 0.1
True MV: 1930 FPS
Group Size (in): 0.00

Here is his target picture:
[url=https://postimg.org/image/gtklr59x1/][/url]
15   L A T E S T    R E P L I E S    (Newest First)
Shastaboat Posted - Sep 17 2017 : 11:44:37
If it was me I would clean your bore with Automotive chrome polish before shooting another group. Also 2" groups with cast bullets is an acceptable accuracy level for a hunting rifle. I've also found that holding the forearm when bench testing cast loads sometimes helps to tighten groups. Those bullets are moving slower but generally recoiling well because they are heavier. Just something to try.

Another thing to try is .5 gr of kapok fiber over the powder charge.
Csparks1106 Posted - Sep 17 2017 : 09:37:33
The bullets were all cast at the same time. They are sorted by actual weight. These are in the 181.6-181.9 grains grouping.
The Winchester cases were the ones that I had the stellar results with. I have those ready to load. Before I try anything else I'll try the Winchester cases but I'm wondering if my scope may not have taken a crap on me. It is an older Burris 3-9x40. Ever had that happen before?

Thanks
Charlie
ethmoid1999 Posted - Sep 17 2017 : 06:04:50
Not wonderful like your first group but as good as a lot of very reliable hunting rifles. I'd try some Remington cases. Also,was it the same batch of cast bullets?
Csparks1106 Posted - Sep 16 2017 : 22:45:01
I didn't bother measuring the group. The group that was in the first picture I sent you was bottom right of the target. Today I was aiming for center bullseye of an identical target. I was hitting top row and 2 inches right. The group was over 2". The Winchester cases are ready to be reloaded, but today has me wondering.
Shastaboat Posted - Sep 16 2017 : 18:48:22
So what have been your successive group sizes?
Csparks1106 Posted - Sep 16 2017 : 15:27:20
Ok, theoretically speaking how much of a difference would different cases make? I had loaded my original rounds with Winchester cases but that was all I had. I loaded another batch with Remington cases and my results were dismal at best. Nowhere near on target. I was wondering if it could be the cases. Here's the chrono results.

Created: 09/16/17 11:05 AM
Description: 300 Savage cast 185 grain
Notes 1: 21.5 grains Alliant 2400
Notes 2: 181.6-181.9 grains
Distance to Chrono(FT): 8.00
Ballistic Coefficient: 0.303
Bullet Weight(gr): 185.00
Temp: 88 F
BP: 30.04 inHg
Altitude: 0.00
# FPS FT-LBS PF
11 1920 1514.57 355.20
10 1927 1525.64 356.49
9 1913 1503.55 353.90
8 1917 1509.84 354.64
7 1922 1517.73 355.57
6 1934 1536.74 357.79
5 1923 1519.31 355.76
4 1931 1531.98 357.23
3 1938 1543.10 358.53
2 1911 1500.41 353.54
1 1918 1511.42 354.83
Average: 1923.1 FPS
SD: 8.6 FPS
Min: 1911 FPS
Max: 1938 FPS
Spread: 27 FPS
Shot/sec: 0.0
True MV: 1927 FPS


Thanks.
Csparks1106 Posted - Sep 08 2017 : 22:28:03
Thanks for that comment Zero. I do love that rifle. I wish I knew how old it was.
Zero333 Posted - Sep 07 2017 : 08:51:23
Very nice rifle and outstanding handloading results.

I would love to have a model 99 but the one's I've come across were too beat up or too expensive.

Csparks1106 Posted - Sep 07 2017 : 00:20:23
Shasta, thank you. I like to think you're right. Who knows, it may have been his calm that helped pull the trigger. But I agree, he would be proud.

Ethmoid, I appreciate that. This is my first experience with cast bullets in a rifle. I've been casting handgun bullets for awhile now but no rifle until now. I'm really excited about this.

ethmoid1999 Posted - Sep 06 2017 : 21:15:56
Great photos. I admire your work.
Shastaboat Posted - Sep 05 2017 : 17:40:36
Your father would have been proud.
Csparks1106 Posted - Sep 05 2017 : 10:19:21
[url=https://postimages.org/][/url]
[url=https://postimg.org/image/3llg8pvbz/][/url]
Csparks1106 Posted - Sep 05 2017 : 10:17:55
Yep, I was doing it from my Ipad at home. I don't have a PC or laptop at home. I had to come to work to do it.
Csparks1106 Posted - Sep 05 2017 : 10:16:53
[url=https://postimages.org/][/url]
Shastaboat Posted - Sep 04 2017 : 23:11:07
Thy using the hotlink for forums. Should get a bigger pic.

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