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Post by Deleted on Nov 7, 2013 17:51:23 GMT -8
Im posting this for you 6x43 (6x6.8) loaders since as we all know there is no data for this caliber besides what the shooters post. My build, 22" BHW P3 1/10" twisted, AR15 All shot w/bipod, rear on a bag & tucked into my shoulder inside the shooting house over a chrony. Remington 6.8 brass necked to 6mm. Large primer pockets. All loads were at 2.280-2.290" in the beginning and down to 2.270" and had loads from 2.250/2.260" also. I saw no real changes in targets in a range of seating in this barrel yet. All primers including magnums were perfect, no craters, no over pressures. NO FTF, NO FTE all ran in my AR perfectly. This will not be a heavy bullet gun, 65g MAX for coyote. They may shoot better or worse in you gun, I make no promises whatsoever here, use at your own risk/discretion! 55g NBT: 33g h335, cci200, 3569fps, .520" 33g h335, cci200, 3546fps, .750" 31g w748, cci200, 3159fps, .880"
55g Combined Technology (coated): 30g x8208, cci200, 3208fps, .630" 33g h335, cci200, 3466 fps, .310" 33g H335, cci200, 3529fps, .900" 30.5g BM, cci200, 3413fps, .467" 31g varmint pro, cci200, 3141fps, .627"
55g sierra BK: 33g h335, cci200, 3539fps, .750" 33g h335,cci200, 3583fps, .800 33g H335, cci200,3489fps, .830" 31g blc2, cci200, 3048fps, .420" 32g blc2,cci200, 3142fps, .620" 31g BM, cci200, 3474fps, .350" 31g w748, cci200, 3122fps, .480" 30g imr4320, cci200, 3073fps, .810" 27g H4198, cci200, 3499fps, .950"
58g Vmax: 31g varmint pro, cci200, 3185fps, .577" 30g h335, cci200, 3199 fps, .627" 31.5 x8208, cci200, 2.270" col, 3374fps, .940" 31.5 x8208, cci200, 2.280" col, 3513fps, .900"
65g Vmax: 31.5g h335, cci250, 3349fps, .880" w/2 flyers 31g h335, 3348fps, .850" 33g h335, 3532fps, .650" 31g blc2, 3015fps, .750" 31g blc2, 3117fps, .730" 31g x8208, 3344fps, .700" 30.5 x8208, 3298fps, .880" 31g w748, cci200, 3214fps, .377" 32g w748, cci200, 3242fps, .730" 32g w748, cci200, 2.280"col, 3320 fps, .750" 27g H4198, 3411fps, .580 27g H4198, 3430fps, .990"
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Post by Deleted on Nov 7, 2013 19:14:01 GMT -8
I will put this to you as gently as possible. You are not shooting hot enough with 8208. Also seating depth is a big deal with all the 6mm cartridges I have had any experience with. My go to load is with SSA brass and 31.5 gr 8208 a 58 gr Vmax. Seating depth varies from barrel to barrel. Anywhere from 2.250 to 2.275 on all of mine.
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Post by Deleted on Nov 8, 2013 5:46:10 GMT -8
I started everything at 2.270" & got a few PMs saying I need to go longer which is pretty nill past 2.285" in the AR mags. That will be my next round of loads though, playing with deeper depths. I was hoping others would post some loads w/the 55/58/65g bullets w/powders & seating. This is not going to be used for heavy bullets as that's not my usage for it and unrequired for coyote & the fact I have thousands of 55-65g bullets. I wont give up on x8208 and was going to bump up also, thanks for that load info on it. No need to ever be gentle w/me ever.
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Post by Deleted on Nov 18, 2013 18:19:54 GMT -8
This data was removed since it was not actual 6x6.8 data and could be confusing. It was 6mm spc data and in custom reamed barrels not in BHW P3 barrels.
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Post by GLSHOOTER on Nov 19, 2013 8:08:33 GMT -8
Very good information. Only one question though. I noticed you are listing several barrel brands/types. Did you order up the 6X6.8 reamer from PT&G?
The speeds are extremely low compared to the average BHW barrel and pressure signs will be completely different in the Enfield rifled tubes vs the poly rifing. Variation in the rifling should be taken into account by anyone wanting to duplicate the data posted. I am guessing the only Black Hole barrel speeds you are showing were in the first batch? I would hazard a guess that if you shot those same loads in the BHW tube the velocites would come up and also the accuracy would be inmproved dramatically. This cartidge is capaable of tremendous performance and has shown it time and again in the right set up.
Greg
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Post by Deleted on Nov 19, 2013 19:09:04 GMT -8
Greg, The data the other guy sent is for his 6mm spc, same 6.8 case necked to 6mm. I do not know who or where he got his reamer & barrels from though. From going over his data I found like you his speeds in the barrels are not like the P3 BHW barrels. None of his loads match mine in weight/powder etc, but they sure could be used as a starting point for the 6x6.8 as its the same cartridge. Im getting the speed I want w/the 55 & 65g bullets, but still working on getting the groups a lot tighter & have loaded another 150 round batch with COLs from 2.230" to 2.270", using my best powder/group combos to date.
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Post by GLSHOOTER on Nov 20, 2013 5:42:46 GMT -8
Greg, The data the other guy sent is for his MM SPC, same 6.8 case necked to MM. I do not know who or where he got his reamer & barrels from though. From going over his data I found like you his speeds in the barrels are not like the P BHW barrels. None of his loads match mine in weight/powder etc, but they sure could be used as a starting point for the X.8 as its the same cartridge. I'm getting the speed I want w/the 55 & G bullets, but still working on getting the groups a lot tighter & have loaded another 150 round batch with Cols from 2.230" to 2.270", using my best powder/group combos to date. So none of the data is yours other than the first batch? If so you might want to annotate that in the posting. The reamer the other fellow is using is different in several areas like the throat and neck tightness given how BHW designed theirs for a specific purpose. The 6X43 and the 6X6.8 are not the same cartidge. The comparison is interesting but that is it. It is a comparison not identical and the assumption for someone scanning this was that the BHW 6X6.8 is just looking pretty sick generally. And I mean sick in a not good way. I know I could not understand where these speeds were coming from as I know the 6X6.8 cartridge a tad better than that. The 6X43 and the 6X6.8 are not the same Greg
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Post by Deleted on Nov 20, 2013 17:28:11 GMT -8
Correct, just what is listed in my original posting is my own actual data w/the P3 BHW set up. I removed the 6mm spc data since after looking at it harder and my actual BHW loads I can see confusion if someone was trying to figure what was what between the 2.
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Post by GLSHOOTER on Nov 20, 2013 18:33:43 GMT -8
That it a great deal clearer. Looking over the data I see some good stuff. Hardly the shotgun patterns you have mentioned on other sights. Maybe posting up some good ones might be to your benefit. I have seen some very nice groups you have done. Without any good batch to look at occasionally the virtual shooters on the might think you can't shoot.
Greg
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Post by Deleted on Nov 21, 2013 14:03:28 GMT -8
My shooting is pretty impeccable in how I sit, sight, hold, squeeze. How I reload my ammo for my firearms is even more impeccable. I would never have any problem shooting with anyone who thinks I cant shoot, they just have to show up here. I never strap my guns to a cradle or use one for that matter since that will never show how one shoots in the field & IMO gives false readings one may expect when having a shot at 600 yards & missing then saying it shot so well strapped down. I also know not a lot of the 6x68 shooters run the 55-65g bullets as I do for coyote. My next loads are ready with cols from 2.230" to 2.270" w/only 2 bullets and from my best groups. I have 80-95g test loads for antelope & hopefully see good results from them next time.
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Post by GLSHOOTER on Nov 21, 2013 15:51:29 GMT -8
Nothing like actually shooting then vs the machine rest groupings. Not every barrel is going to be a record breaker. Most will shoot a couple bullets very well. Some will shoot lots of them well.
The coyote guys that I talk to with this round almost exclusively use the 58 grain VMAX. That is one reason why we developed that load for Tactical Ammunition to sell to the public.
Greg
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Post by Deleted on Nov 25, 2013 17:18:09 GMT -8
I do know that barrels even though the same twist, steel etc. will never shoot the same even if chambered identical or even guaranteed to shoot half way decently no matter how its cut, manufactured or made by or cost. My own go to 6mm bullet for coyote is the 65g vmax over any other out there, thus the reason Im working on loads for that specifically.
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Post by Deleted on Nov 28, 2013 19:14:31 GMT -8
Todays results were 2 coyote w/my 65g vmax load. 1 at 80 yards on the move when it came flying into my calling and one at 157 yards.
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Post by GLSHOOTER on Nov 28, 2013 20:20:58 GMT -8
Good job. I guess the gun is minute of coyote even if it isn't a DTI.
Greg
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Post by Deleted on Dec 11, 2013 19:20:50 GMT -8
I dropped a double in NE today, this one at 60 yards on the trot and the other was at 225 yards in the other direction, hit that one in front of the hind legs and low, gut...darn messy & he made it another 150 yards over a cliff and dead at the bottom...I wasn't going after that. Both were just darned mangy, almost looked like a lamb, the head is bigger than it looks here also. 55g nosler BT at 3412 fps.
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