The Stern Defense 8" Upper Receiver is crafted with precision and durability in mind. This MilSpec flat top upper receiver features a laser engraved dust cover and forward assist adding a touch of refined detail. Constructed from 7075-T6 aluminum it promises strength and resilience while the hardcoat anodized finish enhances its longevity. Inside a MilSpec dry film lube ensures smooth operation. This upper receiver is an excellent choice for those seeking reliability and quality in their build.