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Product Description
Hop-Up chamber set for S&T PPsH-41.
It replaces stock unit for improved performance and higher rubber life. Also, it is easier to disassemble for maintenance, with no hex screws and using the stock spring.
Sandpaper may be needed for bore finish.
Also, you will need an M3 thread tap for the upper drill and an M3x8mm screw to operate the adjustment.
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