Faxon Firearms  |  SKU: RSR-FXFF556BCGCNITRIDE

Faxon Firearms - Superfinished 5.56 M16 Bolt Carrier Group - Nitride

Regular price $15549
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Description

The Faxon Superfinished 5.56 M16 Bolt Carrier Group is a high-performance component designed for AR-15 and M16-pattern rifles. Engineered for smooth cycling and reliable extraction, this bolt carrier group is full-auto compatible and built to withstand demanding conditions. Faxon starts with MIL-SPEC standards and enhances key areas such as material selection, inspection, and finishing to deliver superior performance.

This BCG features a 9310 tool steel bolt with a salt bath nitride treatment for increased surface hardness and corrosion resistance. The carrier body is superfinished to reduce friction and fouling, making maintenance easier. The bolt undergoes Magnetic Particle Inspection (MPI) to ensure material soundness, and the gas key is secured with grade 8 fasteners and fully staked for durability.

Designed for hard-use rifles, Faxon Bolt Carrier Groups maintain reliable action with modern triggers and full-auto fire control groups. The assembly is compatible with .300 Blackout builds and includes forward assist serrations for enhanced functionality.

Key Features

  • Material: 9310 Tool Steel Bolt
  • Treatment: Salt Bath Nitrided Bolt & Carrier for hardness and corrosion resistance
  • Finish: Superfinished Carrier Body to reduce friction and fouling
  • Inspection: Magnetic Particle Inspection (MPI) for quality assurance
  • Heat Treatment: Full MIL-SPEC Heat Treatment and shot peened
  • Reliability: Back of lugs chamfered for reliable cycling
  • Extractor: S7 Extractor with Spring, Insert, & "Crane" O-ring installed
  • Compatibility: Full-auto compatible (M16 pattern) with forward assist serrations
  • Caliber: Compatible with 5.56 NATO, .223 Wylde, .300 BLK, 350 Legend, 400 Legend
  • Gas Key: Secured with grade 8 fasteners and full staking

Specifications

  • Color: Black
  • Platform: AR15
  • SubCategory: Bolts & Bolt Carrier Groups
  • Full-auto Compatibility: M16 pattern
  • FRT/FRS Compatibility: Yes
  • Made for: High round-count training, competition, and defensive builds

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Frequently Asked Questions

What makes the Faxon Superfinished 5.56 M16 Bolt Carrier Group unique?

The Faxon Superfinished 5.56 M16 Bolt Carrier Group stands out due to its combination of high-quality materials and advanced finishing techniques. The bolt is crafted from 9310 tool steel, a material known for its toughness and durability, and is treated with a salt bath nitride process to enhance surface hardness and corrosion resistance. Additionally, the carrier body is superfinished to minimize friction and fouling, which aids in smoother cycling and easier maintenance. These features make it a robust choice for both civilian and tactical applications.

How does the superfinished carrier body benefit performance?

The superfinished carrier body of the Faxon Bolt Carrier Group significantly reduces friction and fouling. This results in smoother cycling of the firearm, which is crucial for maintaining reliability during rapid fire or high round-count sessions. The reduced friction also means less wear on the moving parts, extending the life of the component and reducing the frequency of maintenance. This is particularly beneficial in environments where quick and reliable action is necessary, such as competition or defensive scenarios.

What calibers is this bolt carrier group compatible with?

The Faxon Superfinished 5.56 M16 Bolt Carrier Group is versatile in its caliber compatibility. It is designed to work with 5.56 NATO, .223 Wylde, .300 Blackout, 350 Legend, and 400 Legend calibers. This wide range of compatibility makes it an excellent choice for shooters who use multiple calibers in their AR-15 or M16-pattern rifles. The ability to switch between different ammunition types without changing the bolt carrier group adds flexibility to your firearm setup, especially useful in both training and tactical scenarios.

How does the MPI process ensure the quality of the bolt?

Magnetic Particle Inspection (MPI) is a critical quality assurance process used in the manufacturing of the Faxon Bolt Carrier Group. This non-destructive testing method detects surface and subsurface discontinuities in the material, such as cracks or voids, that could compromise the bolt's integrity. By ensuring the material soundness of the bolt, MPI helps guarantee that each unit meets high standards of reliability and safety. This is particularly important for users who rely on their firearms in high-stakes situations, where equipment failure is not an option.

What are the benefits of a nitride-treated bolt and carrier?

A nitride-treated bolt and carrier offer several advantages over untreated components. The salt bath nitride process enhances surface hardness, which improves wear resistance and extends the lifespan of the parts. Additionally, it provides excellent corrosion resistance, making the bolt carrier group more resilient in harsh environmental conditions. This treatment is particularly beneficial for firearms that are exposed to moisture, dirt, or other corrosive elements during field use.

How does the Faxon Bolt Carrier Group handle full-auto fire?

The Faxon Superfinished 5.56 M16 Bolt Carrier Group is designed to be fully compatible with full-auto fire control groups. This capability is achieved through its robust construction and precise engineering, which ensure reliable cycling even under the high-stress conditions of automatic fire. The use of high-quality materials and treatments, such as 9310 tool steel and nitride finishing, further contribute to its durability and performance in full-auto applications. This makes it a suitable choice for military and law enforcement use, as well as civilian enthusiasts who own full-auto capable rifles.

What role does the S7 extractor play in reliability?

The S7 extractor in the Faxon Bolt Carrier Group is crucial for ensuring reliable extraction of spent cartridges. Made from S7 tool steel, known for its shock resistance and toughness, the extractor is designed to withstand the rigors of high-volume shooting. It includes a spring, insert, and "Crane" O-ring, which enhance its gripping power and reliability. This setup minimizes the risk of extraction failures, which can lead to jams and malfunctions, thereby maintaining the firearm's operational readiness in critical situations.

How does the Faxon Bolt Carrier Group enhance maintenance ease?

The Faxon Bolt Carrier Group is engineered to simplify maintenance through its superfinished carrier body. The smooth finish reduces the accumulation of fouling and debris, making the cleaning process quicker and more efficient. This is particularly advantageous for users who engage in high round-count shooting sessions, where frequent maintenance is necessary to ensure optimal performance. By reducing the time and effort required for cleaning, the superfinished surface allows users to focus more on shooting and less on upkeep.

What is the significance of the gas key design on this bolt carrier group?

The gas key on the Faxon Bolt Carrier Group is designed for maximum durability and reliability. It is secured with grade 8 fasteners and fully staked to prevent loosening under the stress of firing. This ensures a consistent gas seal, which is essential for the proper cycling of the firearm. A secure gas key is particularly important in high-pressure situations, where any failure could lead to a malfunction. The robust design of the gas key contributes to the overall reliability of the bolt carrier group, making it a dependable choice for demanding users.

How does this bolt carrier group support modern triggers and fire control groups?

The Faxon Superfinished 5.56 M16 Bolt Carrier Group is compatible with modern triggers and full-auto fire control groups. This compatibility is due to its precise engineering and adherence to MIL-SPEC standards, which ensure it functions seamlessly with a variety of trigger systems. Whether used in competition, defensive builds, or training scenarios, this bolt carrier group provides reliable performance with both semi-automatic and fully automatic fire control groups. Its design supports high round-count activities, making it suitable for users looking to upgrade their AR-15 or M16-pattern rifles with advanced trigger mechanisms.