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Best powder for 308 Win with 180 grn projectiles
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Picture of Mike_Dettorre
posted
If you were trying to achieve maximum velocity
out of 22" bbl. What powder would you choose?

If bulletr choice matters to you, assume a Barnes TSX.

Also, interested in your chronographed results.


Mike

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.



What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10138 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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I've had my best luck with 44 gr. of IMR 4064, with 180 gr. Nosler Partitions (and BTs), plain-jane WW 180 gr. Power Points, and Remington Cor-Locs.

I have tried 180 TSXs with that load and accuracy was mediocre, but I haven't got around to tinkering with it yet.

With 150s, I find that 47 gr. of RL15 works pretty well.

Those were in a Rem. Model 7, by the way, and this one has a pretty long throat. I can load to magazine length and still be a quite a way off the lands with everything I've tried so far....which of course means that those loads might be excessive in another rifle.
 
Posts: 5892 | Location: Alberta | Registered: 14 November 2002Reply With Quote
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i like RL-15 for all my .308 loads
 
Posts: 1137 | Location: SouthCarolina | Registered: 07 July 2004Reply With Quote
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Rel 15 or Varget.


Remember, forgivness is easier to get than permission.
 
Posts: 3994 | Location: Hudsonville MI USA | Registered: 08 June 2000Reply With Quote
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Not to be a smart ass (cause I know you are an experienced reloader) but why a big old honkin 180 tsx in that 308.....whay not drop to a 165 being that you'll have 100% retention of wt at 308 speed?? Heck a 150 tsx would most likely outperform any cup and core 180. I'd love to see the new etip offered in about 160 grain for 308-'06 class guns....it would do absolutely perfect from deer to elk in my book and have the bc of a 180 to keep speed up getting there.
 
Posts: 2002 | Location: central wi | Registered: 13 September 2002Reply With Quote
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Picture of buckeyeshooter
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I like varget
 
Posts: 5717 | Location: Ohio | Registered: 02 April 2003Reply With Quote
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Picture of Mike_Dettorre
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kraky,

With a 180 grn bullet starting at 2600 fps, I have a 250 yd elk capable gun and an any african plains game gun.

I like higher SDs

BTW, ecperienced??? I dunno the more I reload the less I think I know.


Mike

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.



What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10138 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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I would use Varget (already have) as it will give excellent loading density in the .308 with 180 gr bullets. It also is an "Extreme" powder and not as temperature sensitive as others which is useful in the changing African temperatures. You should realise 2550-2600 fps from your 22" barrel with it and your bullet. With a bullet that heavy at that velocity my choice would be a Hornady 180 gr SP. That bullet will give excellent terminal ballistics at those velocities in elk plains game across the 250 yard range you mention. I'm not sure how well the TSX bullet, since it is made for magnum velocities, will perform. The 180 Hornady is a known quanity at those velocities on elk to me.

Larry Gibson
 
Posts: 1489 | Location: University Place, WA | Registered: 18 October 2005Reply With Quote
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Picture of Mike_Dettorre
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Larry,

Thanks for the info...just how known a quantity on elk...would luv to hear real life field results.


Mike

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.



What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10138 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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