New 5.56 SBR built for an LE customer: BAD billet receiver set, rail, push pins, mag release, bolt release, safety, etc; Noveske 10.5" HFCL barrel with feed ramps contoured and polished; JP FMOS BCG, with bolt headspace checked at 1.4666"; Radian charging handle; TriggerTech Trigger; BCM MKII...