Structured Manufacturing Data (2026)

Barrel

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Barrel used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Barrel is characterized by the integration of Chamber and Bore. In industrial production environments, manufacturers listed on CNFX commonly emphasize Chrome-molybdenum steel (e.g., 4140, 4150) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The cylindrical component of a firearm through which the projectile travels when fired.

View Full Specifications Explore Manufacturing Sources

Product Specifications

Technical details and manufacturing context for Barrel

Definition
In a Tactical Semi-Automatic Rifle, the barrel is the precision-machined, rifled metal tube that guides the bullet's trajectory. It houses the chamber where the cartridge is seated and contains the rifling (spiral grooves) that imparts a stabilizing spin to the projectile. Its length, material, and internal profile are critical for determining the weapon's accuracy, muzzle velocity, and overall ballistic performance.
Working Principle
Upon firing, the expanding propellant gases force the projectile down the barrel. The rifling engages the bullet, causing it to spin, which gyroscopically stabilizes its flight for improved accuracy. The barrel also contains and directs the high-pressure gases until the projectile exits the muzzle.
Common Materials
Chrome-molybdenum steel (e.g., 4140, 4150), Stainless steel (e.g., 416R), Carbon fiber-wrapped steel
Technical Parameters
  • The internal diameter of the barrel, measured between opposing lands (the raised portions of the rifling). Common calibers for tactical rifles include 5.56mm (.223 Remington) and 7.62mm (.308 Winchester). (mm) Customizable
Components / BOM
  • Chamber Part
    The rear portion of the barrel where the cartridge is seated prior to firing. It is precisely shaped to match the cartridge case.
    Material: Steel
  • Bore Part
    The smooth, interior surface of the barrel before rifling is cut. Its diameter is slightly larger than the bullet's diameter.
    Material: Steel
  • Rifling (Grooves & Lands) Part
    Spiral grooves cut into the bore. The grooves are the cut-away portions, and the lands are the raised portions between them. They engage the bullet to impart spin.
    Material: Steel
  • Muzzle Crown Part
    The precisely finished end of the barrel at the muzzle. An even crown is critical for ensuring exiting gases do not disrupt the bullet's flight asymmetrically, affecting accuracy.
    Material: Steel
  • Barrel Extension / Lugs Part
    The rear part of the barrel that interfaces with the rifle's upper receiver or action, providing a locking surface for the bolt.
    Material: Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Barrel.

chrome molybdenum steel firearm barrel precision rifle barrel manufacturing specs carbon fiber wrapped steel barrel components firearm barrel BOM chamber rifling machinery equipment barrel extension lugs

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Injection Unit
View system integration details
Work Rolls
View system integration details
Rolls (Work Rolls)
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 60,000 psi (414 MPa) for high-pressure rifle barrels
other spec: Barrel life: 3,000-10,000 rounds (rifles), 5,000-50,000 rounds (handguns) depending on caliber and firing rate
temperature: -40°C to 500°C (dependent on material and cooling)
Media Compatibility
✓ Lead/copper alloy projectiles ✓ Nitrocellulose-based propellants ✓ Steel-cased ammunition
Unsuitable: Corrosive ammunition (e.g., with potassium chlorate primers) without immediate cleaning
Sizing Data Required
  • Caliber/projectile diameter (e.g., 9mm, .308)
  • Barrel length (affects velocity and accuracy)
  • Twist rate (stabilization for projectile weight/length)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive erosion
Cause: Continuous exposure to abrasive materials or particles in the process fluid, leading to gradual material loss and thinning of barrel walls.
Cavitation
Cause: Rapid pressure changes causing vapor bubble formation and collapse, resulting in localized pitting and material fatigue, often near impellers or flow restrictions.
Maintenance Indicators
  • Unusual vibrations or audible knocking sounds during operation
  • Visible external leaks, cracks, or bulging on the barrel surface
Engineering Tips
  • Implement regular ultrasonic thickness testing to monitor wall erosion and schedule preventive replacements before failure
  • Optimize process parameters (flow rates, pressures, temperatures) to minimize cavitation and thermal stress, and install protective liners or coatings for abrasive service

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ASTM A53/A53M - Standard specification for pipe, steel, black and hot-dipped, zinc-coated, welded and seamless CE marking - Conformity with EU directives for pressure equipment (PED 2014/68/EU)
Manufacturing Precision
  • Bore diameter: +/-0.05 mm
  • Concentricity: 0.1 mm TIR (Total Indicator Reading)
Quality Inspection
  • Hydrostatic pressure test
  • Ultrasonic thickness measurement

Factories Producing Barrel

Manufacturer profiles with relevant production capability in China

Add your factory

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

Supply Chain Compatible Machinery & Devices

Hydraulic Press

Industrial machine using hydraulic pressure to compress, form, or assemble materials

Explore Specs →
Heavy-Duty CNC Plasma Cutting Machine

Industrial machine for precision metal cutting using plasma arc technology

Explore Specs →
Automated Assembly Line System

Integrated production system for sequential component assembly operations

Explore Specs →
Automated Powder Coating System

Integrated industrial system for applying dry powder coatings to metal substrates.

Explore Specs →

Frequently Asked Questions

What are the advantages of chrome-molybdenum steel barrels?

Chrome-molybdenum steel barrels (like 4140/4150 grades) offer excellent strength-to-weight ratio, heat resistance, and durability, making them ideal for high-pressure firearm applications in machinery manufacturing.

How does rifling affect barrel performance?

Rifling (grooves and lands) imparts spin to projectiles, stabilizing their flight for improved accuracy. The specific rifling pattern and twist rate are critical specifications in barrel manufacturing for consistent performance.

What maintenance do stainless steel barrels require?

Stainless steel barrels (such as 416R) offer superior corrosion resistance but still require regular cleaning to prevent fouling buildup in the bore and chamber, ensuring long-term accuracy and reliability.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Request Manufacturing Insight for Barrel

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for Barrel.

Your business information is used only to process this request.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Thank you! Your message has been sent. We'll respond within 1–3 business days.

Need to Manufacture Barrel?

Compare manufacturer profiles with relevant product and process capability.

Create Manufacturer Profile Contact Us
Previous Product
Barcode Scanner
Next Product
Barrel Assembly