The EPC-9 upper receiver is the perfect addition to any AR9 build. Including a last round bolt hold open mechanism and compatible with most standard AR15 barrel nut and handguard combinations this upper receiver will help take your pistol caliber build to the next level.
Last round bolt hold open mechanism
Accepts most AR15 compatible barrel nuts and handguards
Dimple above threads to allow for proper handguard timing
Standard AR15 takedown/pivot pin lug pattern
Stock Notice: This item is NOT marked "In Stock". We will contact you within 12-24 hours by email if your order is on backorder with our distributor and will take longer than the 5-7 business days it takes us to ship out. Please do not order if you need this item shipped immediately.