ZCI ZCI HOP-UP BUCKING 70° BLACK

£9.99
Availability: In stock (8)

Great quality hop-up rubber from ZCI. These buckings include the arm nub plus a molded rounded nub inside.

The 70° or durometer, refers to the rubber hardness.  The higher the number the harder the rubber is.  For high FPS 450+ 70° is often better.  For lower FPS softer rubbers are generally better.

Colour is black.

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