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Berger 115gr VLD Bullet |
Posted by: Old Bob - 09-20-2020, 09:21 PM - Forum: 6mmARC Ammunition and Reloading
- Replies (7)
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The heaviest 6mm bullet suitable for hunting I've been able to find is the Berger 115gr VLD hunting bullet. Has anyone reloaded this bullet yet? What are your thoughts on this bullet whether you've reloaded for it or not?
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Powder Burn Rate and Gas System Timing |
Posted by: StoneHendge - 09-14-2020, 12:05 AM - Forum: 6mmARC Ammunition and Reloading
- Replies (10)
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My 18" 243 LBC is a middie and suffers from gas timing issues. I've been using Benchmark and 95 grain SMKs. Even though Benchmark is relatively insensitive, I'm intrigued about trying Varget given that it's the least temp sensitive powder out there and I should probably be able to get within 50 fps of the 2740 I'm doing now. Will a slower powder make timing better or worse? I think this through in different ways and come up with a different answer each time (including "it doesn't matter"). Benchmark is a relatively fast powder so Varget would be slower.
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Great range day |
Posted by: Dino11 - 09-12-2020, 08:40 PM - Forum: 6mmARC Ammunition and Reloading
- Replies (4)
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The son and I took our ARC's to the range yesterday and both guns performed very well, especially the Odin barred gun. I finally got to dial in the gas block, I was running it full open as in the beginning I was having feeding and lock back issues. The rifle has rifle gas +2, and that was a problem with the rifle buffer system. I contacted Odin about it and apparently they only tested the +2 rifle gas with a 3 oz. carbine buffer system. It would not function with the rifle buffer.
My fix for it was to replace 4 of the steel weights with 4 aluminum weights that I made from 1/2" round bar stock aluminum. Basically I took the 5.2 oz, buffer and made it a 3.6 oz. buffer, then I added a Wolff reduced power action spring. Then I drilled an 1/8" hole in the screw that held the LuthAR stock to the receiver tube, the one on it did not have a vent hole. This may have done nothing, then again it may have made a difference.
I was able to close the gas block off half way. giving the rifle next to nothing in recoil. Scope stayed on target at all times. The gas hole in the barrel is a whopping .101 diameter, that's huge but it is almost to the the end of the barrel.
There were two nice older gentlemen in the lanes next to us, they were both big time Grendle guys and said that my 6mm had nothing for them that their Grendel couldn't do. That was a mistake on their part. They challenged me to a $5.00 per shot hit or miss @600 yards, and said I could choose my target. There was a row of steel plates out there starting at 18" going down to 8". They were both shocked that I picked the 8" plate and said I will never hit it. Input in my load on the ballistic calculator, dialed in the dope on the scope and took the first shot... Hit that damn plate with authority. Both of them looked at me as if they were staring right through me. Needless to say I came home with an extra $75.00, as neither of them ever hit that plate. I only had to make one shot. Then they said I couldn't do it again I was just lucky. I spent the next half hour banging all that steel out there with only a couple of misses to the right. We had a pretty good wind at times.
The other good moment of the day was when I shot the 200 yard steel with a five shot group in under 10 seconds with all five shots hitting the plate. The one guy said now that's some shootin son. I told him I was taking my time the scope never left the target. Made a coulpe of friends that day.
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Range session with 95's and 70's |
Posted by: mikebin - 09-12-2020, 12:19 AM - Forum: 6mmARC Ammunition and Reloading
- Replies (6)
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Went out today and worked with RL15 with the Hornady 95 grain SST's and H322 with some Speer 70 grain TNT's. I continued my use of CCI BR4 primers.
Since I had been working up a load with the RL15 and was getting some decent velocity and no pressure signs, I decide to push the envelope a bit. I started with 28.1 grains which is .1 over Hornady's recommended maximum and got nice, consistent 1 inch groups. At 28.4 and 2673 I began to see faint scoring on the case head. And then at 28.7 and 2696, the scoring was more pronounced and although the primers weren't pancaked and shells were ejecting with no problem, I decided I'd had enough fun with that powder/bullet combination and I had myself a good node to work with.
Next up was the work with the Speer 70 grain TNT's because I do quite a bit of varmint hunting and I've used those bullets in my 6PPC and my .243 Winchester bolt gun. First load was 28.3 which gave me 2989fps and 1 inch groups. 28.7 gave me 3034 and a 7/8th inch group.
Then the rain began and my chronograph doesn't like to play in the rain, so I called it a day, bundled my stuff up and headed for the house. I continue to be impressed with this cartridge. Every combination of bullets/powder/primer that I've thrown at it has worked quite well
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