6.5 in AR Platform

[Tahoe1305]

2A-Xanthos light receiver set
16" 6.5C Faxon gunner barrel
Lightweight handgaurd (SLR or other, mine is actually a bit heavy)
JL Billet Titanium BCG
Master of Arms Titanium gas block
PWS enhanced buffer
Tammac 308 buffer $26
Tubs spring $20
2A- titanium pivot/takedown pins, bolt catch, etc
MFT stock
Magpul grip

Hope that helps. This should put it between 5.5 and 6lbs. Big savers are rx set, barrel, and BCG (saving about 1.5-2lbs right there).