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AOA suggested a very specific lube in the atmospheric chamber of the valve to mitigate the slow cold shot(s). I tried it with a conservative amount. I tried it with a liberal amount. I tried it with none.I think its the lube thats in there that helps this slow shot to happen.
I like the discussion and hearing everyone’s experiences/insight.AOA suggested a very specific lube in the atmospheric chamber of the valve to mitigate the slow cold shot(s). I tried it with a conservative amount. I tried it with a liberal amount. I tried it with none.
Still had slow cold shots.
The FX Impact valve stem that the Ghost's is largely a copy of, also have this slow cold shot.
The Ghost has enough other merits that the slow cold shot is not a deal breaker. I simply chose to stop shooting my Ghosts for sub20fpe field target. Since that low fpe is where the valve stem stiction is the biggest problem.
This isn't me trying to smear the Ghost or denigrate it in anyway. It is simply an inherent part of owning/using a Ghost. Sharing facts here, not passing judgment.
Billm, one thing I noticed as you shot more your STD number kept dropping, started at 4.4 and dropped to 2.4, getting things warmed up does help. Also, the spread got better.I just went out and shot a shotgun pattern of five pellets - too windy to shoot groups. But I wanted to see what the first few shots were like. My reg is set at 130 bar, but rises to 140 bar in the house. I let it sit outside for 15 mins and let the reg drop to about 135 bar. Now I would expect that extra reg pressure to increase the velocity, it did not. I also pulled the Chrono results from a couple of sessions. The first shot is always a little lower. Ghost HP .25 130 bar, 5% tune, AEA 29.5gr pellets.
That’s awesome Luis. I look forward to seeing your results.@Billm, haven’t really seriously tried for groups at 50 or 100 yards. My Ghost Carbine has been my least used BRK. That’s about to change, am planning a trip to a 100 yard indoor range next weekend. Will put my Ghost to the test at 50 and 100 yards. I will post up what I can do with mine under optimal indoor conditions… Thank you for the inspiration…![]()
Thanks for posting this, Bill.I’ve been shooting my BRK Ghost a lot lately. The more familiar I am with it, the more I’ve come to appreciate how capable and consistent it is. I’ve always liked it, but I thought that I needed a custom barrel for it to shoot sub-MOA. That is just not the case. With some tuning and polishing I believe it’s very accurate and is so consistently. With a better shooter and no to little wind I’m pretty sure the ghost HP is capable of shooting sub-MOA at 100yds on a day in, day out basis. My only real point is that it is hunting capable out to 100yds, box stock. For $2200-$2400 it should be. I don’t know anything about the history of my Ghost, as I bought it used from AOA. The accuracy of my rifle seemed to improve with five things:
1, polished the barrel.
2. Lowered the reg pressure to approximately 130 bar
3. Switched to AEA pellets
4. Adjusted the hammer spring for more efficiency.
Feel free to add some of your groups and comments about your accuracy/consistency. It’s not meant as a ‘flex” thread. It’s a fair assumption that most members of this forum are good shooters.
Thanks @Solo1Polishing the barrel issues really a1-2-3 maybe when you first get it and it also depends on the piticular barrel. But once you get it shooting to a level that your happy with thats it. You will then hopefully enjoy longer cleaning intervals and better accuracy. It not like you have to go back and polish again
Thanks for your reply Bill. Knowing that the initial polishings seems to result in only needing basic cleaning after that is comforting.Polishing my barrel made a world of difference. At least that’s what I believe and that works for me lol. I’m not as experienced as these other guys with the ghost. I do believe that I shoot more often than the average shooter. Like @Solo1 stated that other than the initial polishings, you really only need basic cleaning after that. I have literally fired more than six hundred pellets since the last cleaning. But, I’m wondering if it needs cleaning now. I’m very happy with the accuracy of my Ghost with pellets. I managed to only shoot a group of 3 and a group of 7 today because of a bad storm and wasn’t real happy. But, it might be my scope, it’s digital and washes out when the sun is low.
Personally id do it myself its not that hard and ive seen some of their workAlong these lines, do you guys think AoA custom tunes, specifically the polishing and machine lapping, is worth it in general and specifically for the Ghost? I realize that I'm speaking mostly to DIYers when ask this. But still, I am interested in your thoughts.
You need jb bore bright and 1/2 dozen bore mops. Push a pellet through noting tight or rough spots work those first 20-30 strokes do full barrel 20-30 strokes clean and shoot if it starts acting up quickly hit it again after that you should be good. Basically all your doing is removing small imperfections that collect lead like sanding with 1500.Along these lines, do you guys think AoA custom tunes, specifically the polishing and machine lapping, is worth it in general and specifically for the Ghost? I realize that I'm speaking mostly to DIYers when ask this. But still, I am interested in your thoughts.
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