I had to take apart as wasn’t working to find the slider had snapped along with plastic on wheel to had split , thankfully I had these from old gearbox and was able to get firing as gears are good,was going to complain but left too long before I tested
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![[Maple Leaf] Crazy Jet Inner barrel[For WE-Tech M&P9/PX4 GBB Series][91mm]](http://www.sixmm.com/cdn/shop/products/MapleLeaf_CrazyJetInnerbarrel_ForWE-TechM9GBBSeries_117mm_2_b1e770ac-ca96-4055-8bfc-0545d3957067.jpg?v=1638797913&width=950)