6gt
- Thread starter Dthomas3523
- Start date
Does anyone have load data for Re15 or Re19, shooting a 70g or 85g bullet?
Probably an odd request, but I've got a decent supply of each and would like to load 150 rounds with these powders before dipping into the Varget, H4350 and match bullets.
Probably an odd request, but I've got a decent supply of each and would like to load 150 rounds with these powders before dipping into the Varget, H4350 and match bullets.
I can’t help, but something to consider. Do you have enough free bore in your chamber to run them?
It's likely a 120 freebore unless you specified something like a 170 from GA.
Quick noob question, I have both brand of brass , will they both shoot differently with the same exact load, or will it differ?
Thanks
Thanks
Same load with two different case capacities is going to give you different speed and barrel harmonics. This will likely impact your group size and point of impact.
If the explosion is contained in a smaller vessel it will build more pressure. That is why he said the Alpha would likely be faster with the same load.
Develop a load for both type cases and don’t mix them while shooting. That would be most people’s suggestion, mine included.
I get it now ,thanks guys . I greatly appreciate ,all of you that gave your honest opinion.
Again thanks .
Well I got 400 alpha non OCD and 250 Hornady , for me and my son ,and I didn’t want for him to use one brand and me an other.
I thought that it wouldn’t matter that much , but the guys who posted earlier ,make a lot of sense. The best thing to do is do two different loads and see how it goes .
I thought that it wouldn’t matter that much , but the guys who posted earlier ,make a lot of sense. The best thing to do is do two different loads and see how it goes .
We aren’t going to go over the 2950 ,I think anything between 28 and 2900 is what we are looking for .
6gt is not a 6 creedmoor. See so many people wanting 2950-3000 FPS. I am working on my new gt and pretty sure it will settle in at 2800-2850 ish. Using hornady brass which is pretty soft too.
don't you think your SD and ES are too high? To me single digit numbers is what i look for
Your ES and SD aren't really standing out as what I'd classify as a "node."
Maybe time to start over.
Have you doubled checked your powder weight , to make sure you are on point? Also what do you use to seat your bullets, do you prep your brass?
guys also have you guys thought that your speed is a little too hot , that might be the reason of the build up, I might be wrong.
that is the speed that I am shooting for 28 to 2850 max, no more than that. I want my barrel to last as much as possible.
Hornady Brass (Virgin)
CCI BR-4 primer
105gr Berger Hybrid ~75 thou off the lands
34.2gr Varget - Not a compressed load, but fills the case up ~97%
26" Bartlein, standard .120 freebore reamer
Gives me ~2980 fps, half MOA or less groups, and single digit SD's
I've seen multiple guys try and run this cartridge too slow (with varget anyway) and it doesn't end well. Lots of dented brass because it didn't have enough pressure to properly seal up.
The rounds I've loaded? They've been flawless so far...
Factory ammo, not so much. I put about 100 rounds of prime's offering through it and was pretty dissapointed. They run 115gr nosler RDF's over a ball powder (I suspect StaBall) and I think they developed their stuff for the .170 freebore chambers. I had to seat their stuff back 20 thousandths plus just to not be jamming in the lands. Called them about it, but they told me my chamber was "really tight." Asked them what reamer they developed it for and at first they said SAAMI (there's not a SAAMI spec yet) but then they just said "the standard reamer." Bartlein spun it up for me and they used a reamer to GA spec at .120 freebore (what George recommends unless you're going to be running the heavy stuff mostly)
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Also if I recall correctly George also recommended for the bullet to be 105’s . I don’t know why people try to go heavier , if it was the caliber was done to spit the 105’s.
Is this Varget (or what powder) that your seeing this powder and carbon fouling? That's an excellent target and grouping.
Its a PITA...but if it shoots that good with that combo...I'd say leave it alone, and just clean it after every range session/match day. Takes 15-20 minutes?
You can burn up a good barrel, trying to make it do what you wanna do (or at least I have). That looks to be a very solid grouping load/gun, especially if you get that to repeat over multiple test sessions.
You can burn up a good barrel, trying to make it do what you wanna do (or at least I have). That looks to be a very solid grouping load/gun, especially if you get that to repeat over multiple test sessions.
I'm currently running the 108 bergers but the load is the same for the 109s or the 110 atips. Just depends on barrel and lot of powder at times but both of my current GT barrels have been very consistent and accurate, similar to my dashers previously. I found best speeds for these bullets in the 2850-2890 range, usually 32.2-32.8 gr of varget for me with lots of jump. The load in my last barrel pretty much stayed the same for 2000 rounds.
I've also had a lot better luck with the Alpha OCD brass. Hornady brass is gtg when new but lost consistency for me over a number of firings.
I've also had a lot better luck with the Alpha OCD brass. Hornady brass is gtg when new but lost consistency for me over a number of firings.
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I don’t have a lot of time shooting ,but what I do know ,in my case . Is that when I don’t brass prep , I get different seating pressures, some higher than others ,and those higher pressured ones . Shoot faster then the lower pressure ones . Now that is my case, I hope someone with more knowledge shines in with this . As I am learning as well .
This is likely due to the amount of neck tension on the bullet.
More neck tension on your brass requires more energy to get the bullet moving, resulting in higher pressures.
