150 grains over kill

Rooster52

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Feb 18, 2014
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1,818
From my experience ,shooting 150 grains of powder in my muzzleloader is to much.I lose accuracy and bullet performance. 90-10 grains is much better.I shoot powerbelts as they are legal at home and Colorado where I hunt.
 

Trigger50

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Jul 11, 2010
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1,241
Location
Minnesota
Overkill your shoulder ! My smokepole likes 85 grains of Pyrodex P pushing a 485 grain No Excuses lead conical.
 

elkslayer100

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Dec 19, 2009
Messages
48
i shoot 90 grains of triple 7 and 295 powerbelt out of my 54 cal knight rifle. killed quite a few elk and deer with that combo
 

sbhooper

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Jul 7, 2012
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4,178
Location
North Platte, Nebraska
I think that a lot of that magnum load crap was marketing. I shoot 90 grains of Alliant Black MZ and it works fine. A lot of that 150-grain charge just makes more noise. Muzzle loaders are suppose to be for close ranges and 80-100 grains works with about every bullet.
 

alwayshunting

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Joined
Jan 23, 2012
Messages
262
Location
North Dakota
I also shoot powerbelts. I shot 150 grains of triple seven for quite awhile and after some research I decided to try 100 grains. At 100 yards it still shoots nearly the same POI and also similar sized groups. All while being safer, easier to shoot and cheaper.
 

Walkathon

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Sep 10, 2013
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1,213
Location
Central Minnesota
I shoot loose Triple 7 out of my TC and I use 110 gr volume on my measure. Been using this amount of powder with the TC bullets, Powerbelts, and the Hornady FBP bullets. Never did move up to 150GR
 

JohnCushman

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Nov 27, 2009
Messages
12,026
Location
South East Colorado
My groups got better when I dropped down to 100 grains of triple 7 with my 295 grain powerbelts. With the extra powder, the gun with only burn so much and blow the excess out the end of the barrel, so it will be different amounts each time, therefore, the different groups with the 150 grains. Stick to what shoots best.
 

jhudson1

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Joined
Dec 11, 2015
Messages
95
Location
Elko Nevada
Back when I used to own an Encore I decided to try the 150 gr. charge, split the stock and had to buy a synthetic replacement. I'm with ElkStalker, 90 gr of RS and a .530 PRB is all that has been needed to put the meat up.
 

A-con

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Joined
Dec 23, 2000
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2,926
Location
Fresno,Ca.
Every muzzel loader is different, but I can’t imagine one being efficient with a 150 grain charge.
When I worked up a load, I started at 90 grains, and work up to 120.
Accuracy dropped off, velocity gains diminished and recoil skyrocketed above 115, so I backed it down to 110.
 

LCH

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Joined
Dec 9, 2013
Messages
3,891
Location
Southern Indiana
I have a side lock that's got a max rating of 100 grains, so that's what I use.

I recently saw a ML advertised to handle a 200 grain charge.. good grief.
 

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