Brenton USA Tracker Series AR Upper 22" Chamber:6.5 Grendel • 1 × 1 ribbing

• 1 × 1 ribbing for cuffs and waistband

the action cycles normally and the OBS plunger trips the bolt catch lever to hold the bolt open

Ready to finish your build the right way

Finished with premium embroidery so the Brenton USA logo stands out in all the right ways

Built for campfires

Brenton USA Tracker Series AR Upper 22" Chamber:6.5 Grendel • 1 × 1 ribbingReady to finish your build the right way? Brenton upper receivers are built for hunters who know what they want: precision, performance, and purpose driven design. Whether you're upgrading an existing rifle or piecing together a new one, our uppers are a no compromise solution. Each one is engineered to drop seamlessly onto your standard lower and deliver the accuracy and dependability Brenton is known for in the field. Choose from 13 chamber options