Looking for an adapter that converts atmos a-pen tanks (510) to g-pen threaded tanks

[pancake]

Title says it all, any suggestions? iv seen something about an m301 adapter or something like that? Thanks for any information!

 

[dankity3]

If I understood this right, http://www.gentlemansvapes.com/products/510-ego-rx-thread-unlocker, option 1 is what you need.