123hotchef
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- Kent
Ok my one was old leather I think may have been cork. I forget now. My friend pulled it out last year and replaced it but with 2 o rings stacked ontop of each other. I don't think this is ideal. Any way I just saw these in the link below is it a worth while investment. Or can I make my own.
www.trrobb.com

Heavy Duty Breech Seal for nearly all guns
Very easy to replace, Heavy Duty Breech Seal for most guns. I have made these Heavy Duty Breech Seals to help contain the extra pressure when you tune a spring airgun. A lot of enthusiasts forget the the breech seal when they tune or Service their gun. The power can go down after you have tuned...