TX200 Breach Seal Size--HELP

[cactusjack]

Does anybody know the dimensions of the breech seal for a TX200 MKIII? Also the type of material used, Buna, Silicon, urethane etc? Thanks

 

[DualMagMike]

Airrifleheadquarters has them... they're about $2

 

[marflow]

https://www.air-arms.co.uk/user/downloads/TX-ISS6.pdf

https://www.airarmsspares.com/air-arms-spares/

part 31 part number tx221

a BS108 NBR 70 O-ring 

https://www.theoringstore.com/store/index.php?main_page=product_info&cPath=367_23_24&products_id=1121

https://www.allorings.com/British-o-ring-Size-Chart

all this info will help you find the right o-ring, ok i already did 

 

[cactusjack]

Thanks guys. I will definitely look them up.

 

[JamesD.]

https://catalog.precisionassoc.com/asset/PAI%20Standard%20O-Ring%20Dimensions%20&%20Illustrations.pdf



Great size reference chart.

My question is why did AA's use two 3/32" CS 008's, as opposed to one thicker one? Odd design or no?

I think it would be fairly easy to get one or both out with the right pick and seat new ones w/out the very easy disassembly process.