Faxon Firearms 5.56 NATO 9310 Steel Bolt with Nitriding Finish - Black

The Faxon Firearms 5.56 NATO 9310 steel bolt with nitriding finish is engineered for demanding shooters seeking durability and reliability. Constructed from high-quality 9310 tool steel, this bolt offers exceptional strength and toughness, ensuring long-lasting performance under strenuous conditions. The nitrided surface treatment enhances surface hardness, reduces friction, and provides superior corrosion resistance compared to standard phosphated bolts, making it ideal for both competitive shooting and tactical applications. Fully MPI tested, each bolt guarantees defect-free material integrity and consistent quality control. The bolt lugs are chamfered at 45 degrees to facilitate smooth operation even with high-pressure hand loads, and the lightweight design increases cycling efficiency for rapid firing sequences. An S7 tool steel extractor is included, sprung with a spring, O-ring, and silicone insert, ensuring reliable extraction and ejection. The black finish not only adds to the aesthetic appeal but also contributes to corrosion resistance, making this bolt a reliable upgrade for your firearm. Whether you're building a custom rifle or replacing worn components, the Faxon Firearms 5.56 NATO bolt delivers precision, durability, and confidence in every shot.

Features:

• Constructed from 9310 tool steel for maximum strength and durability

• Nitrided finish increases surface hardness and corrosion resistance

• Fully MPI tested to ensure defect-free material

• Chamfered bolt lugs at 45 degrees for reliable operation under high pressure

• Includes S7 tool steel extractor with spring, O-ring, and silicone insert for dependable extraction

Compliance Notice

This product is intended for lawful use only. Restrictions may apply based on state or local laws.