Heavy 6mm bullets
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Re: Heavy 6mm bullets
Kevinbear,
Were those the Tubb's DTAC that you were thinking of using? When my .243 gets back from the smith I will be able to shoot them. Seems a little better than 105 and 107 bullets by Berger and Hornady.
Whale
Were those the Tubb's DTAC that you were thinking of using? When my .243 gets back from the smith I will be able to shoot them. Seems a little better than 105 and 107 bullets by Berger and Hornady.
Whale
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Re: Heavy 6mm bullets
Yes, I finally got around to working up a load for them and used them in the state match, if I remember right I only lost a couple of ram's with several low center hits successfully toppling them.whale wrote:Kevinbear,
Were those the Tubb's DTAC that you were thinking of using? When my .243 gets back from the smith I will be able to shoot them. Seems a little better than 105 and 107 bullets by Berger and Hornady.
Whale
When the hunting seasons close I'll start thinking more about such things again, been considering having the gun rebarreled again with no changes except 2" longer barrel, that would boost the muzzle velocity of the 115's over 2750fps which could make them very reliable at taking rams.
It all comes down to the possibility that my 1712 may need a new barrel in 2015, that project could really suck down the fun money fund down.
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- malinois
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Re: Heavy 6mm bullets
Your going to need a tight twist like a 1 in 7 1/2 for those tubb dtac's.... How many rounds do you have down the 1712 that you are replacing the barrel ? Did the barrel get damaged ?
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Re: Heavy 6mm bullets
My current 6x47barrel has a 1-8" twist which works fine for the 115's, it groups well at 500m.malinois wrote:Your going to need a tight twist like a 1 in 7 1/2 for those tubb dtac's.... How many rounds do you have down the 1712 that you are replacing the barrel ? Did the barrel get damaged ?
Not sure on the round count for my 1712, I shoot quite a bit and it's 11 years old, it's probably getting close as the groups have opened up a bit in the last couple of years.
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Re: Heavy 6mm bullets
I have two .243 Win. and three 6BRs with 1-8" twists. All shoot the 115 DTAC accurately, at least for HP Silhouette. I think my success on rams has probably been around 80% with descent hits.
- malinois
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Re: Heavy 6mm bullets
Its good they are working for you... not usally the case with 1-8 twist.. The 22 barrel though might need a check to see whats up...most go for 100 of thousands of rounds with no issues...
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Re: Heavy 6mm bullets
Like I said not sure on the round count, I think it's somewhere between 5-7 cases, I've heard that they won't group mid-grade ammunition under an inch@100m after 10 cases. You either spend money on high grade ammunition or get it rebarreled and shoot mid-grade.malinois wrote:Its good they are working for you... not usally the case with 1-8 twist.. The 22 barrel though might need a check to see whats up...most go for 100 of thousands of rounds with no issues...
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- malinois
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Re: Heavy 6mm bullets
I would have thought barrel life is a lot better than 30-70 thousand for a good 22lr ? That sounds like a good topic to explore......
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Re: Heavy 6mm bullets
Mark Pharr or Evilio Mcdonald would know for certain.
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- malinois
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Re: Heavy 6mm bullets
Yea I would love to know.....what the BR guys and prone guys say about barrel life... I have usally heared bad cleaning technics do em in more ofthen then round count .. a very good topic inded..
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Re: Heavy 6mm bullets
What cleaning?? ha ha hamalinois wrote:Yea I would love to know.....what the BR guys and prone guys say about barrel life... I have usally heared bad cleaning technics do em in more ofthen then round count .. a very good topic inded..
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Re: Heavy 6mm bullets
A couple of months ago before the weather turned bad I shot a few groups with my 6x47 at Gary's farm and it grouped terrible, like 3-4". I've been trying to track down the problem and found that a poorly made shellholder was skewing the cases and bullets off centerline. I had bought several new ones last summer so I wouldn't have to keep moving them from machine to machine during the reloading process, both were very poorly made.
Anyways I've been off work for the last week with the flu and managed to put together some test rounds with .002 or less run-out, turned/fitted necks, drilled and chamfered flash holes, squared and cut primer pockets you know all the BR case prep stuff.
It was cloudy but relatively warm this morning so I went back over to Gary's and shot groups again. I shot the 95 grain Sierra load first and they strung up and down I'm guessing because my cold medicine fogged brain forgot the benchrest at home and I had to shoot over a rolled up Carhartt jacket, still the group was a vast improvement over the November groups.
When I tried shooting the 115 DTAC groups the cold medicine was giving me the jitters so I let Gary shoot them. The first shot got away from him but the next 4 were really tight, like in the high .01"s.
Pretty much have no excuse for missing rams with the 115's.
Anyways I've been off work for the last week with the flu and managed to put together some test rounds with .002 or less run-out, turned/fitted necks, drilled and chamfered flash holes, squared and cut primer pockets you know all the BR case prep stuff.
It was cloudy but relatively warm this morning so I went back over to Gary's and shot groups again. I shot the 95 grain Sierra load first and they strung up and down I'm guessing because my cold medicine fogged brain forgot the benchrest at home and I had to shoot over a rolled up Carhartt jacket, still the group was a vast improvement over the November groups.
When I tried shooting the 115 DTAC groups the cold medicine was giving me the jitters so I let Gary shoot them. The first shot got away from him but the next 4 were really tight, like in the high .01"s.
Pretty much have no excuse for missing rams with the 115's.
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- DavidABQ
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Re: Heavy 6mm bullets
kevinbear wrote:What cleaning?? ha ha hamalinois wrote:Yea I would love to know.....what the BR guys and prone guys say about barrel life... I have usally heared bad cleaning technics do em in more ofthen then round count .. a very good topic inded..
Just for the record he does not believe in taking showers either.
- Trent
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Re: Heavy 6mm bullets
Seems to like those 115 DTACs! You might have to have Gary shoot your matches for you though.
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Re: Heavy 6mm bullets
Gary's highpower game still needs some work, I'm going to try and get him out a few more times this year, hell I'm going to try and get myself out more!Trent wrote:Seems to like those 115 DTACs! You might have to have Gary shoot your matches for you though.
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