Danman
Grand HAMster
That's some pretty nice #s on the 30 cal! I do think it's a bit unfortunate the 30 cal ships with the 480 bottle as well, I'd be wanting a 580 myself.
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Ghost BRK Ghost Review
- Thread starter Franklink
- Start date
- Latest activity Latest activity:
- Replies 295
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c.wallace_06
HAM Sharp Shooter
I’m pretty limited on how much air I can carry at one time out on my desert safari’s here in AZ.
So,I went with the 700cc and this 30cuft on my wheelchair setup.
Attachments
How in the world do you reach those handlebars?
c.wallace_06
HAM Sharp Shooter
Attachments
Danman
Grand HAMster
Yeah that's true, I never shoot more than a mile or 2 from my place so air is not far away, but for an actual hunting trip/range day that makes sense! Nice setup, and let us know how many shots she gets on that tank with that tune! 
Danman
Grand HAMster
That being same reg pressure and stock internals on each?
If you take the shroud off to clean/polish the barrel be dumb careful lining up the grub screws when you put them back, mine were so tight I thought my hex key was going to twist or strip...they put mine in so tight that they started to strip-gall the threads..so putting them back in was a 10 min process of chasing threads and lining up the screw so its perfectly square to the shroud when starting...cheers!
look down the barrel and make sure the screw is perfectly perpendicular before trying to thread it in...once the bottom threads of the grub screw are galled they make it super easy to start to cross thread....hope this helpsI thougt I was the only one with this issue...I have to have mysticking out just so to get them in.
Tony P.
The ”old” 30 ghost 120reg PW 12….this one reg 120 PW 10….shot great today in competition….
Tony P
c.wallace_06
HAM Sharp Shooter
From 250-150bar 8 magazines(64shots)Yeah that's true, I never shoot more than a mile or 2 from my place so air is not far away, but for an actual hunting trip/range day that makes sense! Nice setup, and let us know how many shots she gets on that tank with that tune!
- Original poster
- #135
In the last fading light of the day I decided that I wanted to shoot the Ghost a bit this evening. It didn't start with any other intentions than wanting to shoot, but somehow became a pretty raw comparison between moderators added onto the shroud. . Not sure any final conclusions can be made, but it was fun, and that's what I needed.
So it turned into 4 "cards" at 100 yards, and 1x10 shot group on its own page. First three were with .20/15.89 JSBs, 4th card was with .20/18.9 NSA slugs, and that stand-alone 10 shot group was also with the slugs.
I'll present them in the order they were shot. This is all my standard process, shoot a couple sighters if I feel they're necessary, then everything else on the page is consecutive "counted" shots (25 in a row or 30 in a row).
First was the Hugget Atom. Scored an EBR 216. The average size of the 5x5 shot groups was 1.56" or 1.41MOA.
Next was an @Oldspook Ember. Really cool little 3d printed moderator, I think resin but I know very little about 3d printing. Changes the sound tone in a very unique way. Not sure it's quieter, as far as DBs go, but definitely a different pitch. First group here was the upper left and it put all 5 into 0.64"!!! Same exact impact point as the Huggett Atom on the previous card. Middle right has four shots in that torn hole just to the right of the ten ring. Take the 5 highest of the six and it's an EBR score of 231, but that's cheating a bit. Averaging out the 6 groups it comes out as 45.66, and then x5 would make it an EBR 228, which is a bit more honest way of doing it when there's 6 groups. Average of the 6x5 shot groups is 1.35", or 1.29MOA.
3rd was just the shroud, no moderator. Again no sighters here. And again, point of impact going where it should. I was surprised by this, usually swapping mods or removing a moderator will shift the poi around. If cherrypicking the best 5 of the 6 here it's also a 231, but more honestly the 6 groups average a 45.66 again, or a 228 EBR score. The 6x5 shot groups average 0.95", or 0.92MOA. And yes, that is a 1/4" inch, 5 shot group at 100 yards in the middle left, granted it doesn't look like 5 holes, but shots 4 and 5 pushed their way through without cutting any more paper. The sounds of those two shots hitting the paper had that greatly reduced slap that we get when the pellet hits a hole that's already been cut. Many guys would show only that 1/4" group and say they've got a 0.2387MOA @ 100 yards gun....but I'm more realistic than that, so you see them all.
Fourth card was a switch to the 18.9grain NSA slugs, and continued without any moderator here.
Light was really fading fast by now and I could just barely see the holes in the beginning and lost enough light to be able to see them at all sometime in that first (upper left) bull. I shot the sighters (bottom right) first and saw that they were low so I gave it a couple clicks and ended up being high throughout the rest of the card. I was just trying to aim on what I thought I could see as the middle of the target on most of this card. The average of the 5x5 was just a hair over MOA.
And finally, the 10 shot group of slugs. This target was already out at 100 so I shot at it, but just didn't have enough light to see to finish out the 25 or 30 shots, and I didn't feel like getting the artificial lights out. Just held middle, near as I could for all 10 shots. Ended up at 10 into 1.5", 9 into 1.15" and 7 into 0.8'
All in all an enjoyable 130ish shots downrange. I've been doing some testing with a different gun and some days that thing will shoot lights out and other days it's a struggle. I start to doubt myself when guns are behaving like that so it was really reassuring to set the other gun aside and sit back down with the Ghost this evening and see that I could make pellets and slugs go where I wanted them to, mostly.
So it turned into 4 "cards" at 100 yards, and 1x10 shot group on its own page. First three were with .20/15.89 JSBs, 4th card was with .20/18.9 NSA slugs, and that stand-alone 10 shot group was also with the slugs.
I'll present them in the order they were shot. This is all my standard process, shoot a couple sighters if I feel they're necessary, then everything else on the page is consecutive "counted" shots (25 in a row or 30 in a row).
First was the Hugget Atom. Scored an EBR 216. The average size of the 5x5 shot groups was 1.56" or 1.41MOA.
Next was an @Oldspook Ember. Really cool little 3d printed moderator, I think resin but I know very little about 3d printing. Changes the sound tone in a very unique way. Not sure it's quieter, as far as DBs go, but definitely a different pitch. First group here was the upper left and it put all 5 into 0.64"!!! Same exact impact point as the Huggett Atom on the previous card. Middle right has four shots in that torn hole just to the right of the ten ring. Take the 5 highest of the six and it's an EBR score of 231, but that's cheating a bit. Averaging out the 6 groups it comes out as 45.66, and then x5 would make it an EBR 228, which is a bit more honest way of doing it when there's 6 groups. Average of the 6x5 shot groups is 1.35", or 1.29MOA.
3rd was just the shroud, no moderator. Again no sighters here. And again, point of impact going where it should. I was surprised by this, usually swapping mods or removing a moderator will shift the poi around. If cherrypicking the best 5 of the 6 here it's also a 231, but more honestly the 6 groups average a 45.66 again, or a 228 EBR score. The 6x5 shot groups average 0.95", or 0.92MOA. And yes, that is a 1/4" inch, 5 shot group at 100 yards in the middle left, granted it doesn't look like 5 holes, but shots 4 and 5 pushed their way through without cutting any more paper. The sounds of those two shots hitting the paper had that greatly reduced slap that we get when the pellet hits a hole that's already been cut. Many guys would show only that 1/4" group and say they've got a 0.2387MOA @ 100 yards gun....but I'm more realistic than that, so you see them all.
Fourth card was a switch to the 18.9grain NSA slugs, and continued without any moderator here.
Light was really fading fast by now and I could just barely see the holes in the beginning and lost enough light to be able to see them at all sometime in that first (upper left) bull. I shot the sighters (bottom right) first and saw that they were low so I gave it a couple clicks and ended up being high throughout the rest of the card. I was just trying to aim on what I thought I could see as the middle of the target on most of this card. The average of the 5x5 was just a hair over MOA.
And finally, the 10 shot group of slugs. This target was already out at 100 so I shot at it, but just didn't have enough light to see to finish out the 25 or 30 shots, and I didn't feel like getting the artificial lights out. Just held middle, near as I could for all 10 shots. Ended up at 10 into 1.5", 9 into 1.15" and 7 into 0.8'
All in all an enjoyable 130ish shots downrange. I've been doing some testing with a different gun and some days that thing will shoot lights out and other days it's a struggle. I start to doubt myself when guns are behaving like that so it was really reassuring to set the other gun aside and sit back down with the Ghost this evening and see that I could make pellets and slugs go where I wanted them to, mostly.
Hello Cole, what was the ft/s you were using to get this level of accuracy?In the last fading light of the day I decided that I wanted to shoot the Ghost a bit this evening. It didn't start with any other intentions than wanting to shoot, but somehow became a pretty raw comparison between moderators added onto the shroud. . Not sure any final conclusions can be made, but it was fun, and that's what I needed.
So it turned into 4 "cards" at 100 yards, and 1x10 shot group on its own page. First three were with .20/15.89 JSBs, 4th card was with .20/18.9 NSA slugs, and that stand-alone 10 shot group was also with the slugs.
I'll present them in the order they were shot. This is all my standard process, shoot a couple sighters if I feel they're necessary, then everything else on the page is consecutive "counted" shots (25 in a row or 30 in a row).
First was the Hugget Atom. Scored an EBR 216. The average size of the 5x5 shot groups was 1.56" or 1.41MOA.
Next was an @Oldspook Ember. Really cool little 3d printed moderator, I think resin but I know very little about 3d printing. Changes the sound tone in a very unique way. Not sure it's quieter, as far as DBs go, but definitely a different pitch. First group here was the upper left and it put all 5 into 0.64"!!! Same exact impact point as the Huggett Atom on the previous card. Middle right has four shots in that torn hole just to the right of the ten ring. Take the 5 highest of the six and it's an EBR score of 231, but that's cheating a bit. Averaging out the 6 groups it comes out as 45.66, and then x5 would make it an EBR 228, which is a bit more honest way of doing it when there's 6 groups. Average of the 6x5 shot groups is 1.35", or 1.29MOA.
3rd was just the shroud, no moderator. Again no sighters here. And again, point of impact going where it should. I was surprised by this, usually swapping mods or removing a moderator will shift the poi around. If cherrypicking the best 5 of the 6 here it's also a 231, but more honestly the 6 groups average a 45.66 again, or a 228 EBR score. The 6x5 shot groups average 0.95", or 0.92MOA. And yes, that is a 1/4" inch, 5 shot group at 100 yards in the middle left, granted it doesn't look like 5 holes, but shots 4 and 5 pushed their way through without cutting any more paper. The sounds of those two shots hitting the paper had that greatly reduced slap that we get when the pellet hits a hole that's already been cut. Many guys would show only that 1/4" group and say they've got a 0.2387MOA @ 100 yards gun....but I'm more realistic than that, so you see them all.
Fourth card was a switch to the 18.9grain NSA slugs, and continued without any moderator here.
Light was really fading fast by now and I could just barely see the holes in the beginning and lost enough light to be able to see them at all sometime in that first (upper left) bull. I shot the sighters (bottom right) first and saw that they were low so I gave it a couple clicks and ended up being high throughout the rest of the card. I was just trying to aim on what I thought I could see as the middle of the target on most of this card. The average of the 5x5 was just a hair over MOA.
And finally, the 10 shot group of slugs. This target was already out at 100 so I shot at it, but just didn't have enough light to see to finish out the 25 or 30 shots, and I didn't feel like getting the artificial lights out. Just held middle, near as I could for all 10 shots. Ended up at 10 into 1.5", 9 into 1.15" and 7 into 0.8'
All in all an enjoyable 130ish shots downrange. I've been doing some testing with a different gun and some days that thing will shoot lights out and other days it's a struggle. I start to doubt myself when guns are behaving like that so it was really reassuring to set the other gun aside and sit back down with the Ghost this evening and see that I could make pellets and slugs go where I wanted them to, mostly.
The slugs slower because u were max PW?
I am thinking there is a correlation between twist rate and optimal velocity-stability
-accuracy for pellet or slug geometry?
Still no replies from BRK, Daystate and Huma on any of my questions regarding design bases…
- Original poster
- #139
Yes, that's max fps for the slugs with max power wheel and this particular hammer weight and hammer spring and reg pressure.
Bobby that machined this barrel recently did some testing with the .20/18.9gr slugs and he says they were even better in the 930-940fps range, at least from that particular barrel he was shooting them from (also a standard twist rate, 12 land and groove Lothar barrel).
I like the current settings b/c it allows me a sub20fpe tune, a long range pellet tune, and a long range slug tune.
- Original poster
- #140
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For what it is ( a sub30 fpe gun) it's likely the best that exists at 100yards. With pellets, EBR scores average probably 215-225 with it, with an occasional 230+. Slug scores are slightly higher, 225-235. But that's at my home range where I feel like I've got the wind mostly figured out.
BUT, I don't think it'd hang in the paper game next to a 60+ fpe .25 shooting 34s or a .22 with the MRDs that somebody really has performing optimally, especially if those dedicated benchrest rigs are all decked out with 5+ pounds added to them, and couple hundred $$$ dollar rests and a gaggle of wind flags etc etc etc. And put somebody who knows what they're doing on all that benchrest-specific gear and the little general use .20 Ghost is gonna be way down the pack...
I'm pretty happy that it shoots the way it does, but dont have any illusions of winning the grand finale at EBR with it.
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