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These nubs are designed for the Action Army VSR HopUp Unit.
No wobble - perfect fit!
You will get 6 concave nubs with a different radius of the contact surface. So you can easily choose the best one for your rifle setup!
The nubs are connected by sprues to hold them in order for identifying the different concave forms. The sprues have to be removed. Just twist it once and cut off or grind down the residues. Once removed from the sprue I give you the advice to colour the nubs with feld-tip pens.
This Set contains:
6x concave nubs, consisting of
1x skeee standard concave nub
2x less concave nubs
3x more concave nubs