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Old 10th November 2014, 02:29 PM
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sven sven is offline
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Join Date: Dec 2009
Member of: FT Schalkhaar / SSV Ons Genoegen
Location: Arnhem, The Netherlands
Posts: 233

Originally Posted by RobF View Post
The PTFE ones deform too easily. We sent macro photography of this back to Walther several years ago. You could see the stress fractures inside the seal when they were cut open.
Your photo's are probably the reason Walther has swicthed to Delrin plus an o-ring for the LG400.
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