Tippman M4 TDC

###Project Failure: Every test of the TDC has failed with vibrations and stress of the bb impacts back on the device, normally shattering inside the tube and ejecting itself from the gun.
I have since made a couple on a lathe from ali with the same plastic insert. With amazing results.

I will keep this project up as reference of a failed design.

NOTE: This is designed for an advanced user and requires assembly by the form of tapping your own thread with a metric M4 tap. And using a screw for adjustment and pressure on the Nub. If this is not possible there is commercial TDC mods for the Tippmann M4 that might be more appropriate for you.

As any Tippmann M4 user will know the stock hop-up adjustment is by far the weakest part of the gun. Thankfully they gave us a pre cut tube right above the hop unit perfect for a Top Dead Center Mod.

I recommend adding a bit of rubber or eraser to the plastic nub if it is being used on a plain flat hop. This will help prevent rips and dama