All prices include shipping and fees.
3.5oz tanks - $25 for both or $15 each.
MQ2 ($150) - Works to my knowledge.
CCM Feedneck ($15) - Unsure of the threading type.
Misc Bolts ($9 each)
Mag - $12
Empire Back - $12
Dye UL Tip - $20
JT Elite Lens ($20) - Comes with a free Elite mask.