Selling my custom AR9 and also have the original box the builder set came in. Its an EPC 9/40 builder set with the Relv Marauder Coating. Looks awesome in person. Parts list below and have only put maybe 100 rds through it to verify function and accuracy.

Aero EPC9 Builder set

Macon Armory 7.4" AR9 Blowback Upper Build Kit (BCG, Barrel, Buffer)

Geissele SSA Trigger

4 Magpul 27rd Gloclk Mags

SLR Linear Compensator

Primary Arms SLX MD25 Illuminated Optic

Raptor Charge Handle

BAD Safety & bolt release

Fortis K2 Castle Nut