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RoosterCogburn's latest activity
RoosterCogburn
replied to the thread
AirMaks Arms
Katran velocity unstable?
.
I tried the huma reg in the katran. Needless to say the stock reg was quickly replaced. The airmaks katran reg is fantastic.
Aug 24, 2025
RoosterCogburn
replied to the thread
Umarex
Notos regulator issue
.
I should've clarified op. I know your mind. I micro adjust obsessively. When the ref adjustment doesn't have a gauge to verify. And...
Aug 24, 2025
RoosterCogburn
replied to the thread
AirMaks Arms
Katran velocity unstable?
.
Correct. To OP. When you see the highest number before you adjust and the fps drops. Dial back to.thst position and then 1/20- Yes...
Aug 24, 2025
RoosterCogburn
reacted to
Ranchibi's post
in the thread
AirMaks Arms
Katran velocity unstable?
with
Like
.
Find the highest velocity for that set reg pressure before velocity starts to drop from increasing the HS then lower speed by 5% that...
Aug 24, 2025
RoosterCogburn
reacted to
Bigbaby's post
in the thread
AirMaks Arms
Katran velocity unstable?
with
Like
.
From what I’ve read on correct pellet speed, it seems that you are trying to operate at excessive speed and destabilizing your pellets...
Aug 24, 2025
RoosterCogburn
replied to the thread
Umarex
Notos regulator issue
.
The air acts as a compressing force agains the poppet valve. More pressure. More force required to open for a long enough time to...
Aug 24, 2025
RoosterCogburn
replied to the thread
Umarex
Notos regulator issue
.
Reg up velocity down =need more hammer
Aug 24, 2025
RoosterCogburn
replied to the thread
AirMaks Arms
Katran velocity unstable?
.
Also. Give 12-15 seconds between shots to insure the same plenum pressure each shot. Shoot too fast and you'll be off.
Aug 24, 2025
RoosterCogburn
replied to the thread
AirMaks Arms
Katran velocity unstable?
.
I owned the SAME EXACT bchannel had. His .177L. The difference between sweet spot and not is about ⅙turn either side of perfect and it...
Aug 24, 2025
RoosterCogburn
replied to the thread
AirMaks Arms
Katran velocity unstable?
.
½Turn is too large an adjustment. Do ⅛ turns. Also 1 shot is not enough to know where you are. Adjust. Fire 3-5 shots. Adjust...
Aug 24, 2025
RoosterCogburn
reacted to
bchannell's post
in the thread
AirMaks Arms
Katran velocity unstable?
with
Like
.
Have you talked to UA? That would be the next step after asking here. Obviously it's out of tune, has a reg problem or leaking after the...
Aug 24, 2025
RoosterCogburn
replied to the thread
AirMaks Arms
Katran velocity unstable?
.
Yeah the hammer spring setting at any particular pressure is a very very small window.. it makes it very easy to find. Its set perfect...
Aug 24, 2025
RoosterCogburn
posted the thread
Optics
DNT optics Thermnight tnc225r $915 shipped.
in
Member Classifieds
.
Selling a DNT Thermnight TNC225R digital Day/Night Thermal scope. Absolutely perfect condition. Factory reset, in original box. 2...
Aug 24, 2025
RoosterCogburn
reacted to
Jnewood's post
in the thread
DOME PIECE 💥💥💥
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Like
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Aug 23, 2025
RoosterCogburn
replied to the thread
Head shot thread
.
I messaged him . He was waiting on his supplier he's supposed to get back to me soon. Those prices are great. I do need to change to .22...
Aug 23, 2025
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