Toolcraft 6.5 Grendel / 6mm ARC Bolt Carrier Group - Titanium Nitride

Toolcraft 6.5 Grendel / 6mm ARC Bolt Carrier Group – Titanium Nitride

The Toolcraft 6.5 Grendel / 6mm ARC Bolt Carrier Group – Titanium Nitride is purpose-built for precision shooters, hunters, and tactical users seeking a high-performance bolt carrier group for intermediate caliber AR builds. Designed to accommodate both 6.5 Grendel and 6mm ARC cartridges, this BCG features Toolcraft’s industry-trusted M16 full-auto profile and is constructed from U.S.-sourced steel for maximum strength and reliability. The Titanium Nitride (TiN) finish adds durability and efficiency while enhancing the appearance of your rifle’s internals.

This Toolcraft 6.5 Grendel / 6mm ARC Bolt Carrier Group includes a carrier machined from 8620 steel and a bolt made from shot-peened and MPI-inspected 9310 steel, known for its impact resistance. The extractor is made from 4140 steel and supported by three mil-spec gas rings and an O-ring insert to improve tension. The gas key is secured with Grade 8 fasteners and staked per mil-spec. Additional parts like the 8620 steel cam pin and 416 stainless steel firing pin ensure long-term dependability even in high-pressure use cases.

The standout feature of this 6.5 Grendel / 6mm ARC Bolt Carrier Group is its Titanium Nitride coating. TiN is a highly durable ceramic-metallic layer that significantly improves surface hardness, corrosion resistance, and lubricity. Originally developed for aerospace and medical tooling, this coating reduces carbon fouling, simplifies maintenance, and delivers a distinctive gold hue. Its bonded nature means it won’t chip or flake, unlike traditional surface coatings, making it ideal for high-volume or adverse-environment shooters.

Toolcraft is widely respected as a key OEM supplier to U.S. military contracts and top-tier rifle manufacturers. Their rigorous inspection standards and commitment to American-made materials make each Toolcraft 6.5 Grendel / 6mm ARC Bolt Carrier Group a top-tier choice for performance-focused AR owners. Buyers benefit from Toolcraft’s no-questions-asked lifetime warranty, offered exclusively when purchased through authorized dealers like Arm or Ally. This warranty does not extend to units re-coated by third parties, a key reason to purchase from verified sources.

Whether you’re building a 6.5 Grendel AR-15 for long-range shooting or a 6mm ARC setup for competition or hunting, the Toolcraft 6.5 Grendel / 6mm ARC Bolt Carrier Group – Titanium Nitride offers optimal reliability, ease of cleaning, and high-end protection. It’s an exceptional choice for shooters who demand the best in performance, durability, and American craftsmanship.