Sharps Bros SBUR04 Billet Upper Upper Receiver 7075T6 Aluminum wMilSpec Anodized Finish Stripped wForward Assist Dust Cover For .2235.56.224 Valkyrie300 BLK6.5 Grendel Caliber AR15

The SBUR04 matches all of our lower receivers perfectly and has a milspec front end that is compatible with any AR15 barrel nut any AR15 handguard out there including those with rear facing tabs. This receiver is meant for .223 5.56 .224 Valkyrie 300 BLK and 6.5 Grendel calibers. Port opening is not large enough for 450 Bushmaster 458 SOCOM or 50 Beowulf. Made from 7075T6 just like our lower receivers. Anodized black. Comes with forward assist kit dust cover installed.