Starting this thread for my brother. He's having trouble with consistent groups. Turned him on to Thor bullets I use. He's in ID so the gun has to have #11 caps and no sabots. It's a T/C Hawkins with green mt 1-28" twist. What gr./type of thors do you guys use. What type and gr. of powder. He's calling in tomorrow to get the sample pack to gauge bore diameter. BTW mine is CO legal so my setup wont help.
Thor bullets for a Green Mt. barrel-what do you use?
- Thread starter robak
- Start date
Slugz
Veteran member
1) Use the sizing kit and go with the correct one.
2) BH209 powder
3) Max grain load
4) 247, 250 or 300 Gr bullet will be just fine
2) BH209 powder
3) Max grain load
4) 247, 250 or 300 Gr bullet will be just fine
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JimP
Administrator
Thors are really designed for inline muzzle loaders. To get the sizing kit to work you need to be able to open up the breach plug to get them out once you start them into the barrel. For a muzzle loader without a breach plug you are going to have to start them into the barrel but you will need a way to get them back out like a shot of compressed air through the nipple.
My best groups with a TC Renegade have been with 370gr TC maxi balls over 90 grains of Pyrodex. 3"-4" groups at 100 yards using open sights.
BH 209 powder does not like #11 caps, hence the name 209 for the shotgun primers.
My best groups with a TC Renegade have been with 370gr TC maxi balls over 90 grains of Pyrodex. 3"-4" groups at 100 yards using open sights.
BH 209 powder does not like #11 caps, hence the name 209 for the shotgun primers.
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CoHiCntry
Veteran member
I agree with what Jim said. BH209 isn't gonna work with a #11 cap. Also sizing as mentioned will be more difficult. Thor's are really better suited for an inline. If you wanna go through the extra effort to find the appropriate sized Thor you might try some T7 or pyrodex powder. Either the 250 or 300 grain bullet will work. I'd try both & see which the gun likes better.
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Slugz
Veteran member
JimP
Administrator
You can try Thors but to do it you might need to seat them over a charge of Pyrodex to get them out of the barrel. The problem with this is that once a bullet is started you need to get it to the powder charge and if it is over tight you could have a problem.
Does Green Mountain say what the barrel diameter is besides a .50? You could try the .500, and the .501 but as I said if the .501 get stuck you could have further problems.
I have had exultant results with the Thompson Center Maxi Ball in both my .50 and .54 caliber side lock barrels. They both have dropped both deer and elk out to 150 yards.
Does Green Mountain say what the barrel diameter is besides a .50? You could try the .500, and the .501 but as I said if the .501 get stuck you could have further problems.
I have had exultant results with the Thompson Center Maxi Ball in both my .50 and .54 caliber side lock barrels. They both have dropped both deer and elk out to 150 yards.
Umpqua Hunter
Veteran member
Green Mountain barrels are one of the very best barrels for pure lead conicals. A 1:28 twist is a fast twist and is really designed for a sabot, but this barrel will shoot a long heavy conicals very well. It is the same twist as in Knight muzzleloaders.
Try the No Excuses 460 grain conicals. They are die sized for a more precise diameter after casting. They are also prelubed. Order these online. They are an excellent bullet and extremely accurate out of Green Mountain barrels (I use them in Knights). These are long heavy bullets and retain energy very well, the same concept is used in centerfire long range hunting rifles.
http://www.muzzleloading-bullets.com/index_files/Page319.htm
Put one or two 0.06" thick vegetable fiber wads under the bullet to prevent flame scorching the bullet. Get these at Midway. Two of these cut my groups in half.
https://www.midwayusa.com/product/1010391437/walters-wads-over-powder-wads-bag-of-1000
Use 70-85 grains of powder by volume. Too much powder and your accuracy will drop off as the pure lead bullet begins to strip from the rifling. At 80-85 grains of powder this bullet will hit like a train.
I've shot sub MOA groups with these bullets in a 1 in 28 Green Mountain barrel.
Try the No Excuses 460 grain conicals. They are die sized for a more precise diameter after casting. They are also prelubed. Order these online. They are an excellent bullet and extremely accurate out of Green Mountain barrels (I use them in Knights). These are long heavy bullets and retain energy very well, the same concept is used in centerfire long range hunting rifles.
http://www.muzzleloading-bullets.com/index_files/Page319.htm
Put one or two 0.06" thick vegetable fiber wads under the bullet to prevent flame scorching the bullet. Get these at Midway. Two of these cut my groups in half.
https://www.midwayusa.com/product/1010391437/walters-wads-over-powder-wads-bag-of-1000
Use 70-85 grains of powder by volume. Too much powder and your accuracy will drop off as the pure lead bullet begins to strip from the rifling. At 80-85 grains of powder this bullet will hit like a train.
I've shot sub MOA groups with these bullets in a 1 in 28 Green Mountain barrel.
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Thanks guys. Just found out Thors wont work for ID. AWise1: he's shooting out to 100 yards consistently. At 125-150 it gets to be scattered. Thanks Umpqua, this is exactly what he's looking for. He's shooting a bullet a local has made, but decided not to sell anymore. Now it's up to him to get 'er done!!! I MIGHT be able to fly down to help with this hunt in Nov. I'll post the grip n grin if I can. Thanks again. Rob