Set of rubber seals for Tokyo Marui and KJ Works GBB pistol valves

<p>Set of rubber sealing rings for gas magazine valves.</p>
<ul>
<li>Fit on Tokyo Marui and KJ Works brand</li>
</ul>
<p>5 rings in one packing:</p>
<ul>
<li>1 small ring inside the filling valve</li>
<li>1 outer ring of the filling valve</li>
<li>3 output valve rings</li>
</ul>