Specifications
Material: 7075-T6 aircraft-grade aluminum forging
Condition / Finish: Unfinished raw aluminum (ready for custom coating/Cerakote/DuraCoat)
Machining: CNC machined to MIL-SPEC tolerances
Features: M4 feed ramps; machined to military specifications & standards
Compatibility: Usable with most AR-15 calibers (5.56 NATO, .223 Wylde, .350 Legend, 6.5 Grendel, .300 BLK, 7.62x39, 6MM ARC, 9mm, etc.)
Type: Stripped upper receiver (no barrel, BCG, charging handle, or accessories included)
Intended Use: Custom builds and caliber-flexible AR-15 platforms
Forward Assist Compatible: Yes
Dust Door Compatible: Yes