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Post by blopez50 on Feb 7, 2012 13:45:02 GMT -8
Hey guys! I'm just curious if any of you are shooting the 65vmax out of your 6x45.
I'm putting one together (18" barrel) and was wanting to shoot 65 vmax with H322. I wanted this one to shoot fairly flat out to 250..
Anyone have any luck with this? Good performance on yotes? Any other general tips from 6x45 guys is appreciated.
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Post by GLSHOOTER on Feb 7, 2012 14:26:46 GMT -8
Hey guys! I'm just curious if any of you are shooting the 65vmax out of your 6x45. I'm putting one together (18" barrel) and was wanting to shoot 65 vmax with H322. I wanted this one to shoot fairly flat out to 250.. Anyone have any luck with this? Good performance on yotes? Any other general tips from 6x45 guys is appreciated. I have not shot any of the 65 VMAX out of the new BHW 6X45 but they are on the menu. I can tell you that Ritch and some of the other guys are shooting the 58 VMAX out of their 243 LBC and flat smoking the coyotes. I want to try those also on PD's. In other 6X45's I have had good luck with the 70 grain Speer TNT bullet also that might be a good one to try in tandem with your 65's. Greg |
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Post by blopez50 on Feb 7, 2012 18:59:22 GMT -8
Ya I'm definitely lookin at the 243 LBC. For now though, I think im gonna have to shoot the 6x45 and build the bank account back up!
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Post by Deleted on Feb 7, 2012 20:08:36 GMT -8
I have shot them. I didn't get the speed I expected out of the first reloads but they were giving submoa super accurate that I know.
COAL was 2.245 20" 6Button Rifled 1:8
LC Brass Fiocci SR primer
W748 start 24.5 2570fps
max 26.85 2816fps
Accuracy .9 MOA
H4895 start 24.5 2750fps
max 25.4 2808fps
Accuracy .6 MOA
Varget start 24.5 bad read too dark already
max 25.5 2701fps - could be bad read too
Accuracy was not good but again very low light.
This upper was put togehter to shoot 105gr berger and amaxes from a VLD magazine and it does a good job with them.
I do not recommend 1:8 for these lads. It is too much twist and freebore for these loads I know but had to test them. Anyhow I hope this helps someone with a place to start. I wan to test again when I get the BH barrel and test faster powders.
NOTE: What I post here is from my own barrel with my own carbine and in my own equipment and conditions. Use any load data at your own risk. Best thing is to ALWAYS verify with powder and bullet manufacturer and confirm several sources. That is what I do.
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Post by blopez50 on Feb 7, 2012 22:05:41 GMT -8
Thanks for the info guys!
I really need to get me a chrono..... I did a little figuring tonight and I dont think im gonna be able to swing the new build for a while. The "fun budget" is on E.
My upper, lower, ff tube, and stock are all off at paint right now but I'll post up some pics of the 6x45 when it finally comes together. It wont be anything too special but I can honestly say I've never seen an AR with the same paint job.
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Post by GLSHOOTER on Feb 8, 2012 12:58:26 GMT -8
Thanks for the info guys! I really need to get me a chrono..... I did a little figuring tonight and I dont think im gonna be able to swing the new build for a while. The "fun budget" is on E. My upper, lower, ff tube, and stock are all off at paint right now but I'll post up some pics of the 6x45 when it finally comes together. It wont be anything too special but I can honestly say I've never seen an AR with the same paint job. The chronograph is your friend. I t will help you keep out of trouble. When you have a book load and the actual velocity is + or - about 3 % you are probably GTG. When you jump up with a + 12 % you know that something is wrong given reasonable close components and same length barrel. Not all data is safe and you CAN blow a primer smooth out of a case even using manufacturers recommended loads. Don't bother to ask about that one!!  Greg PS: Looking forward to seeing this paint job of which you speak. |
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Post by Deleted on Feb 9, 2012 16:36:16 GMT -8
Thanks for the info guys! I really need to get me a chrono..... I did a little figuring tonight and I dont think im gonna be able to swing the new build for a while. The "fun budget" is on E. My upper, lower, ff tube, and stock are all off at paint right now but I'll post up some pics of the 6x45 when it finally comes together. It wont be anything too special but I can honestly say I've never seen an AR with the same paint job. The chronograph is your friend. I t will help you keep out of trouble. When you have a book load and the actual velocity is + or - about 3 % you are probably GTG. When you jump up with a + 12 % you know that something is wrong given reasonable close components and same length barrel. Not all data is safe and you CAN blow a primer smooth out of a case even using manufacturers recommended loads. Don't bother to ask about that one!! Greg PS: Looking forward to seeing this paint job of which you speak. This is very true. A good Chrono is a must and in the end is really all you got. You see everything starts with a bullet and a load, lets say the starting load. By working your way up and observing how the spreads behave you can determine both the efficiency and accuracy of that load. At the same time you check for pressure, accuracy you can develop what is going to be your most accurate load and then by measuring the drop a several distances you can derive everthing else using math with a high degree of precision. For the long range loads I log the altitude, wind, humidity, temperature and all atmosferic data both at the time of loading the charges and at the time of the testing. You will see a huge difference in both if lest say you load and shoot at sea level vs. loading and shooting somewhere in the Colorado mountains at 4000 ft. So you are not just testing a safe charge, you are specialized loads for target, hunting, etc.. and then able to create a precise chart of the trajectory of that bullet in different conditions. I mean if you are going to shoot only 200,300 yards most folks do not need to get too sophisticated but once you start going large then you will be surprised to find that most of the advertised ballistics coeficients, adjusted retardation coeficients and other variables greatly change with what the manufactures publish in their data that is the minimum check one can do. Berger is an exception they give you several models to work with and Sierra too they give you the adjusted BC at various speeds but hornady, nosler, barnes, etc.. give you very little. The best thing is to start with their data but also compare to the powder manufacturer and other sources. You might end up with your own database that is perfect as your chamber might also be slightly different that someone's else. So everything is a nice and fun discovery process to master your loads. The chrono, a good scope and a log book are your best friends. |
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Post by sandrat on Apr 10, 2012 23:56:34 GMT -8
The 65gr VMAX is my bullet of choice in my 6X45 AR.I run a custom SS 1:10 16" and have done quite a bit of load development work when I built it about eight years ago.My most accurate loads were with Varget but velocities left a lot to be desired even with compressed loads.Tried H322 but again,no great performer for hunting critters.Finally went back to H335 and have used this load for the past seven years or so.
My carbine wears a fixed 4x ACOG (only optic ever on it) and shoots consistent 1.2" 5 shot groups @ 100yds with a MV of 2950fps.The main use is as a "Truck Gun" for coyote/wolf and varmints.When I lived in E.WA I reduced my loads for "Hot" weather as temperature played a factor in pressure with this powder.
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Post by randydb on Jun 3, 2012 6:17:27 GMT -8
I rebarreled a remington r15 with a 20" BHW and have shot the 65vmax in it on coyotes. It is very accurate with H4895 but my favorite bullet for coyotes in this caliber is the Speer 70gr TNT. I have never even had a spinner with this bullet, its just turns off the lights when it hits.
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