I got some more parts in for my LMT M4-style carbine today. Here's how it looks so far: LMT Defender lower LMT 14.5-inch upper w/permanent Vortex flashhider, F-height fsb LMT full-auto BCG LMT Tactical charging handle LMT rear BUIS MagPul CTR stock MagPul MIAD grip Magpul AFG MagPul rail covers Yankee Hill Machine 7-inch quad rail H2 buffer w/carbine spring "Spec-Ops" 2-point sling BUT...I still need a flashlight & mount, and an optic. I would like to get an ACOG, but I'd have to save my coin for a while to get one. Next choice is an EoTech 554 a buddy has for sale. And I must confess I know very little about flashlights & mounts. Any suggestions for these items? Thanks!