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2. 加重extractor spring, Waltherforums 找keithwhite100 买,10刀一个
https://www.waltherforums.com/forum/ppq/116510-walther-ppq-q5-match-steel-frame-ftes-14.html
“Hi, Let me introduce myself, i'm a retired technology leader that worked for Procter and Gamble for 30 years. I have designed both consumer products and high technology machines that product consumer products. My primary focus was on machine design, reliability and quality production. I started shooting 4 years back and quickly got into reloading and shooting for fun with many different guns and platforms. So when I purchased my new Walther SF I was somewhat disappointed that I had an issue with FTE from day one. So, I did what I've done my whole life, set out to fix the issue. I used this forum to gain experience from others thinking there would be a fast solution to the issue. Well not so, it has taken me countless hours and thousands of rounds and money to come to what I believe is the best solution to the issue my gun had. And based on this forum I was not alone. The spring I developed to resolve this issue is not a shelf item, it's not sold by any gun manufacture and has to be special ordered in minimal order batches. Based on my time and efforts I'm happy to sell any person a spring but I will not be publishing the specifications. Feel free to send me an email to further discuss at keithwhite100@gmail.com. or send me a private message. I'm offering the springs at 10 dollars each and if you order 5 or more I will sell for a reduced price. Not trying to make money but rather get back my investment at this time. I don't have a web site and don't have plans to develop one as I love my free time and retirement at this point in life. What I can't understand is why Walther has not responded to this issue as I'm sure they read this forum. I also know there are many factors that will create this issue and most gun users will never experience a problem or if they do it's so infrequent that will just clear the issue and move on. Having a career in manufacturing I understand the complexity of standardization and difficulty of making changes to products already released into the market, however this is a serious issue and will not go away so the sooner they address this the better. Kind regards, Keith”
3. Q5sf 需要先换guide rod,再换13lb flat wire Glock recoil spring
https://www.zrtacticalsolutions.com/shop/walther-ppq-uncaptured-stainless-guide-rod/
guide rod不能直接用,需要在尾部钻一个坑
4. 3D打印mag guide,只换左侧两条。。这个是朋友自己打的。。别处俺也不知道咋买
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