Cyma AK Bolt Spring Tensioner
thingiverse
A replacement part for Cyma AKs that use the pictured system for the bolt's spring. Since the stock one breaks easily, I hope this one will at least last longer than the included one! Place it in between the rear of the bolt and the spring on the bolt guide-rod (as pictured). It may be possible to reinforce this piece with super glue if it isn't strong enough. IMPORTANT: Cura may automatically resize it to a certain scale! Set the scale to 1000% or whatever makes the dimensions 9mm x 5mm x 3mm.
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