Improved Condor breech, which one & where?

I heard Aluminum & brass may gall & stick.

The Flebay ones mostly say CO2.

I don't need to go above 3600psi and most likely 2500-2750psi tethered. 
I do like the ones that come apart for ease of putting fresh 90 Durometer O-rings in. 
What's up with 8,9,10mm by 12,13,14mm?

I'm hot rodding more out of my .22. It's already at 78 with factory breech. Blew DonnyFL's adapter and Ported Tanto across the yard. 
Need breech help! And really good Hammer in the 95-115 gram range. 
I'm taking return spring out and gonna jump from 28-32's at 1070-1040 to extra long 44 grain RBT LDC .22's. They should provide enough back pressure to close the valve timed well at magic fill spot.
power wheel on 0 & top hats playing with .166-.178-.188"
 
Doug Noble is one of the more experienced custom AF Condor machinist I've known. He built my Condor about 10 years ago and it was a phenomenal rifle. Not sure how to get in touch with him though. Don't dabble in AF guns anymore. sorry. Maybe though the TAG forum?

I'm sure Tony at TT can be a huge asset too. Maybe able to get you in touch with Doug. 

Also have a peek at this link from 2018. 

https://www.airgunnation.com/topic/catastrophic-failure-of-airforce-condor-breech/

Best of luck! Have fun!! 
 
Metal breeches are no good for heavier springs. The metal on metal will show its damage over time. Hard to keep metal on metal from wearing.

Delrin is fine for a breech. When my 257 was in its first configuration it had a delrin breech on it for a few years. I shot it up to 4200 psi. Also my 257 has a .373" barrel instead of the .309" standard. So it was even thinner. 

But I do make my breeches out of the higher quality delrin. There are 2 differnt qualities when I buy it. They have different strengths 
 
The metal on metal concerns me to. However right now the TalonTunes breech does not seem to be having any wear or friction issues (it did at first). Very smooth action. I feel the talon tunes breech and o rings are a more snug fit that the delrin breech it came with, which kind of slid easily as if there was a small gap. The talon tune o rings really engage the when it is slid into place. Has to be a better seal. The delrin breech also was getting scratched by the aluminum frame every time I’d cock it. A little burr scratching a shallow line... I sanded down / smoothed the area of the frame where it was scratching and got an aluminum breech to replace it.
 
The stock Condor in advertised as being able to make 110 FPE. Doesn't matter if it's in .22 or .25 because the only difference between the two rifles is the caliber. Even the outer diameter of the breech portion of the barrel is identical. That being said, the stock delrin breech can easily handle what you're putting through it. The only downside of the delrin breech is when you start upgrading the hammer spring. Then it takes more force to cock the gun, and you can damage the threads in the delrin where the cocking handle attaches to it. I speak from experience. The delrin breech will typically only fail by blowing an o-ring inside of it. There are 2 of them that fit into recessed grooves near the end of each side of the breech. The business end of the tophat will slide over one, and the breech portion of the barrel will fit over the other. It's designed to fit easily over the breech portion of the barrel, and slide with minimal effort when cocking the rifle. But as soon as you pull the trigger, the o-rings expand from the high pressure air, and they make a concentric seal. I upgraded my Buna-N 90 duro o-rings to Cast desogrin polyurethane 90 duro o-rings. They are way tougher and last forever. They can handle up to 10,000 psi. 

But there is no need whatsoever to upgrade the hammer spring when utilizing the stock valve assembly. The hammer weight however is another story. I've upgraded mine from the stock hammer weight to the 95 gram brass hammer with slap mod from Talon Tunes. The stock hammer spring is more than sufficient to be used with the 95 gram hammer. But the only problem with dealing with Talon Tunes is dealing with Talon Tunes. Maybe your experience will be better than mine, but Anthony is 0-2 in my book regarding being personable. His products are good, but heaven forbid you have an issue and need to call him. I'll leave it at that. 

At this point, Doug Noble is a legend. He actively posts on GTA, but I think he's gotten tired of doing the custom machine work that he used to do. His work is beyond good. It's perfection. He is the MASTER of the AF platform. But I don't think he's interested anymore in doing custom work unless your part of his inner circle. And I fully understand why he does this. 
 
The stock Condor in advertised as being able to make 110 FPE. Doesn't matter if it's in .22 or .25 because the only difference between the two rifles is the caliber. Even the outer diameter of the breech portion of the barrel is identical. That being said, the stock delrin breech can easily handle what you're putting through it. The only downside of the delrin breech is when you start upgrading the hammer spring. Then it takes more force to cock the gun, and you can damage the threads in the delrin where the cocking handle attaches to it. I speak from experience. The delrin breech will typically only fail by blowing an o-ring inside of it. There are 2 of them that fit into recessed grooves near the end of each side of the breech. The business end of the tophat will slide over one, and the breech portion of the barrel will fit over the other. It's designed to fit easily over the breech portion of the barrel, and slide with minimal effort when cocking the rifle. But as soon as you pull the trigger, the o-rings expand from the high pressure air, and they make a concentric seal. I upgraded my Buna-N 90 duro o-rings to Cast desogrin polyurethane 90 duro o-rings. They are way tougher and last forever. They can handle up to 10,000 psi. 

But there is no need whatsoever to upgrade the hammer spring when utilizing the stock valve assembly. The hammer weight however is another story. I've upgraded mine from the stock hammer weight to the 95 gram brass hammer with slap mod from Talon Tunes. The stock hammer spring is more than sufficient to be used with the 95 gram hammer. But the only problem with dealing with Talon Tunes is dealing with Talon Tunes. Maybe your experience will be better than mine, but Anthony is 0-2 in my book regarding being personable. His products are good, but heaven forbid you have an issue and need to call him. I'll leave it at that. 

At this point, Doug Noble is a legend. He actively posts on GTA, but I think he's gotten tired of doing the custom machine work that he used to do. His work is beyond good. It's perfection. He is the MASTER of the AF platform. But I don't think he's interested anymore in doing custom work unless your part of his inner circle. And I fully understand why he does this.

I still do work. I just got so busy at work I had no time. I have been off for 4 months and I'm still not caught up. I'm close but I jave had to do other stuff besides airguns parts. Right now I do what ever someone needs to make $$

I'm done with the GTA so I will be around here more. 

Here is a customers 30" 257 condor. Waiting for me to finish up the reg setup

Doug



1594259083_5244887285f06768b9bda67.82904861.jpg

 
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Doug..... I stopped posting on GTA as well. I felt the forum admin who enforce the "regulations and rules" didn't practice what they preached. I wasn't as heavily involved in the forum as you were, but in the short time I posted on there I read and experienced enough to conclude that the term "fairness" was subjective, and favoritism was obvious. So I jumped ship and came to AGN. I personally feel it was a very good move. This forum is light years better that GTA.