Discord -   / discord  
Instagram - @bagofhammersairsoft
TicToc - @BAG_OF_HAMMERS_AIRSOFT
Facebook - www.facebook.com/groups/5679096835458944
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FITTINGS - https://a.aliexpress.com/_EJ23d4t
SLEAVING - https://www.amazon.co.uk/dp/B07ZFGGYP...
HEAT SHRINK - https://amzn.eu/d/9BUVHNW
GLUE - super stuff
6MM AIRLINE - amazon 6mm with 4mm inner