Black Ion with Clippard QEV, stiffi barrel, Lucky stage 1 bolt, Lucky stage 2 firing chamber, stage 5 body and 1 of 1 Element 85* frame,FBM stilleto Drop and VP Scythe trigger.
Cheap and good efficiency gains.
The stage 2 is a no brainer upgrade. It is cheap and lets you have access to a popular mod without voiding your warranty. Not only does it have the drilled firing chamber it has a new oring inside that acts as a second tail oring on the bolt. This increases the efficiency of the Ion.
You do not have to buy a new snap ring like one of the reviews ahead of me said. If you pick up a snap ring tool from your local hardware store for cheap, you can easily remove your stock snap ring many times. Just be carefull not to open it too far or it will bend.
Best buy even alone it will give you about a hundred extra shots and you can lower your dwell. With all of the stages you can gain a full pod or more, lower your dwell and increase the cycling capabiltiy for future above 17bps boards.