Put this one together today..5.56
Aero Precision Lower
JP Lower Receiver Parts Kit WITHOUT Trigger Parts
ALG Defense Quality Mil Spec Trigger-QMS-Tuned By Geissele
JP Enterprises AR-15 REDUCED POWER Spring Kit(3.5lb-4.5lb)
JoeBob's Trigger Adjuster
WOA Complete Upper & Complete Bolt Carrier group
Black Hole Barrel 18" LTR profile
Vortex Flash Hider
MI 15" Gen1 Forearm
YHM Charging Handle
YHM Low Gas Block and black rifle length tube
Magpul milspec buffer tube, spring, buffer and MOE stock
Weight is 6lb 14oz without sights, optics or magazine.