OT Firearms 9310 Bolt | Nitride | 5.56 NATO / .223 REM / 300 BLK

Machined from solid bar stock 9310 and quality checked, precision machined to Mil-Spec dimensions. These bolts are perfect for your ground up build or to keep on hand as spares!

• 9310 Solid Bar Stock
• Blacknitride+™ by H&M
• Heat Treated
• Shot Peened
• Precision Ground
• Tool Steel Extractor 
• MPI
• Extractor Insert and O-Ring Included
• Calibers Include:
  • 5.56
  • .223
  • .300BLK
• 100% American Made