Delphi Tactical LLC

Delphi Tactical BUR-3 Billet Upper Receiver

Delphi Tactical



The Delphi Tactical BUR-3 Billet Upper Receiver is precision machined beyond Mil-Spec requirements from a solid block of lightweight aerospace grade aluminum on a 4 axis CNC, with critical tooling dimensions held to within ±.001″. DP-10 receiver sets are then Type III Class II black hard anodized with a surface hardness of 60 Rockwell.

The Delphi Tactical DP-10 BUR-3 Stripped Billet Upper Receiver features:

  • Multi-Caliber Capability – Compatible with any caliber designed for the AR10 platform (7.62, .308, 6.5 Creedmoor, etc.)
  • M4 Feed Ramps
  • Completely Assembled with Ejection Port Dust Cover installed
  • Flat Top Design with Picatinny Rail
  • Compatible with all standard AR-10 components and aftermarket parts — Machined pocket to accommodate Magpul BAD Lever or similar aftermarket bolt catch/release system
  • All Hard Edges have been deburred to create a sleek appearance with smooth lines and functional purpose
  • Designed to match the lines and contours of our DP-10 Billet Lower Receivers
  • Lifetime Warranty / 100% Made in America