New Hop Rubber/Bucking not feeding bb's!

[C4lv1n]

Okay so many of you posted on my last thread! I've half sorted it now! I've reverted back to my stock g&g rubber and it's shooting! Wooh!

However, when I put the Prometheus Purple back in...it stops working again! I've sanded off the unbuilt nub! But the stock one has the in built nub! My only thoughts are that the end of the rubber where the bb's feed is too stiff, as it's new, for the bb's to feed through!

Has anyone got any solutions to this? Kinda want to put the bucking in as it will be better than my stock one if I can work it!


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