Steel cylinder for Well MB4401, 02, 03, 06, 07, 08, 09

<p>Steel durable cylinder is required in case of any upgrade. Stock cylinder is made of aluminium and weak. It is easy to damage it with stronger upgrade spring. Our AirsoftPro steel cylinder was sucessfully tested on the strongest springs.<br /> <br /> This model is suitable for (M4 screw holding cocking handle):</p>
<ul>
<li>Well MB4401</li>
<li>Well MB4402</li>
<li>Well MB4403</li>
<li>Well MB4406</li>
<li>Well MB4407</li>
<li>Well MB4408</li>
<li>Well MB4409</li>
</ul>
<p>Not suitable for Well MB4404,05,10,11.</p>
<p>Cylinder is compatible for the factory original or AirsoftPro pistons or cylinder heads.  It is made on high precision CNC machines in the Czech Republic.</p>
<p>Length: 194mm without handle pin<br /> Total Length: 245,5mm<br /> Inner diameter: 19,95mm<br /> Outer diameter: 22,05mm</p>
<p><strong>NOTICE</strong></p>
<p>Over the years Well company has changed the size of the screw holding the cocking handle from M3 to M4. Check the size of the screw in your gun before purchasing.<br /> This cylinder is designated cylinder for the M4 screw (production approx. 2017 and beyond).<br /> If M3 screw is in your gun then the right cylinder is for you SKU 2345.</p>