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Joined: Jul 2001
Posts: 60,138 Likes: 9
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,138 Likes: 9 |
300 MP also works very well in the .357 and .44 Magnum, along with other magnum revolver rounds, which is what it was originally designed for. In my .22 K-Hornet, 300 MP turned out to be the best all-around powder. It's usually just a bit slower-burning than Li'l Gun.
Recent Alliant data also shows it working well for handloading .410 shotshells (which is what Li'l Gun was originally designed for, along with 28-gauge ammo) but I quit handloading .410's a few years ago.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Joined: May 2016
Posts: 60,425 Likes: 10
Campfire Kahuna
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Campfire Kahuna
Joined: May 2016
Posts: 60,425 Likes: 10 |
Would it work in the .17 hornet or .221?
I am MAGA.
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Joined: Jul 2001
Posts: 60,138 Likes: 9
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,138 Likes: 9 |
Haven't tried it in either, and Alliant doesn't list any data. But wouldn't be surprised if it did. Would start with Li'l Gun data.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Joined: May 2011
Posts: 15,895
Campfire Ranger
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Campfire Ranger
Joined: May 2011
Posts: 15,895 |
What primer do you use with 300 MP for your Hornet loads, MD?
There are 2 rules to success:
1. Never tell everything that you know.
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Joined: Nov 2010
Posts: 37,132 Likes: 1
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2010
Posts: 37,132 Likes: 1 |
That 300 MP sounds like good powder!
I will have to find some.
Powder Valley had it last time I checked. I use 300 MP with CCI 450's in my .22 K-Hornet. DF
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Joined: Mar 2004
Posts: 162
Campfire Member
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Campfire Member
Joined: Mar 2004
Posts: 162 |
I have a 77/22 that I had sent and had reamed to a K Hornet and it seems to like the MP 300 over the Lil Gun. The Factory Hornady 35 Grain V Max is loaded with what appears to be Lil Gin and it will shoot 1/2" when fire forming
Jim Since this post I have also used CFE-BLK with good results Jim
"2Day is the 1st Day of the rest of UR Life"
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Joined: Sep 2015
Posts: 833
Campfire Regular
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Campfire Regular
Joined: Sep 2015
Posts: 833 |
300 MP is quite impressive I was fairly impressed with H Lil Gun at 12.6 grains. Only a sample of 1 thus far and my Lil Gun load has been proven plenty in more than one firearm.
11.5 grains is max with 45's and 11.7 with 40's on Alliants web site. I note MD got to 13 from 11.7 with better accuracy in the big book of Gun Gack with 40's. Were there any pressure signs?
I notice the pressure on Lil Gun is quite low with higher velocity. Wondering if 300 MP is similar.
Thanks again all
Bob
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Joined: Nov 2010
Posts: 37,132 Likes: 1
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2010
Posts: 37,132 Likes: 1 |
I have a 77/22 that I had sent and had reamed to a K Hornet and it seems to like the MP 300 over the Lil Gun. The Factory Hornady 35 Grain V Max is loaded with what appears to be Lil Gin and it will shoot 1/2" when fire forming
Jim Since this post I have also used CFE-BLK with good results Jim I would like to see some data. If the burn rate is close to A-1680 it should be a good Hornet/K-Hornet powder. DF
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Joined: Apr 2006
Posts: 4,396 Likes: 1
Campfire Tracker
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Campfire Tracker
Joined: Apr 2006
Posts: 4,396 Likes: 1 |
My Ruger No. 3 K-Hornet shoots very well with Lil Gun, but it sounds like I need to try 300-MP. 14.5 gr Lil Gun fills WW and RP brass well into the neck and I seat 40 gr V-Max's out a bit to just sit on the powder charge. PRVI brass does the same with 14.1-14.2 gr Lil Gun - 5 and 10 shot 100 yard groups shot one after the other: ![[Linked Image]](http://i.imgur.com/XFiZ2Rq.jpg)
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