Structured Manufacturing Data (2026)

Receiver

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Receiver 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 Receiver is characterized by the integration of Bolt Carrier Group Channel and Trigger Pocket. In industrial production environments, manufacturers listed on CNFX commonly emphasize 7075-T6 Aluminum construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The central structural component of a tactical semi-automatic rifle that houses the firing mechanism and provides mounting points for other components.

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Product Specifications

Technical details and manufacturing context for Receiver

Definition
In a tactical semi-automatic rifle, the receiver serves as the primary structural frame that contains the bolt carrier group, trigger assembly, and magazine well. It provides the foundation for barrel attachment, stock mounting, and accessory rail systems, ensuring proper alignment and operation of all firearm components under tactical conditions.
Working Principle
The receiver functions as the main housing and alignment structure for the rifle's internal mechanisms. It guides the bolt carrier group during the firing cycle, supports the trigger assembly for precise firing control, and maintains dimensional stability to ensure reliable feeding, firing, and ejection of cartridges during semi-automatic operation.
Common Materials
7075-T6 Aluminum, 4140 Steel
Technical Parameters
  • Overall length and critical interface dimensions for barrel, stock, and accessory mounting (mm) Per Request
Components / BOM

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Receiver.

7075-T6 aluminum rifle receiver tactical semi-automatic receiver component 4140 steel reinforced firearm receiver bolt carrier group channel receiver precision machined rifle receiver housing

Applied To / Applications

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

Alignment Sensors
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Protocol PHY Chip
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Label Sensor
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Sensor Array (e.g., photoelectric sensors)
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Photoelectric Sensor
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PHY Chip
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (structural component, not pressure vessel)
other spec: Caliber compatibility, material hardness (typically 15-25 HRC for aluminum, 30-40 HRC for steel), dimensional tolerances (±0.005 in for critical interfaces)
temperature: -40°F to 160°F (-40°C to 71°C)
Media Compatibility
✓ 5.56x45mm NATO ammunition ✓ 7.62x51mm NATO ammunition (with compatible variant) ✓ Standard rifle lubricants and cleaning solvents
Unsuitable: Saltwater immersion or highly corrosive chemical environments without protective coatings
Sizing Data Required
  • Firearm caliber specification
  • Upper receiver interface dimensions
  • Lower receiver legal compliance requirements (state/country specific)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion and pitting
Cause: Exposure to corrosive fluids, moisture ingress, or incompatible materials leading to material degradation and leak paths.
Seal/gasket failure
Cause: Thermal cycling, over-torquing, chemical attack, or aging causing loss of compression and fluid leaks.
Maintenance Indicators
  • Visible fluid leaks or weeping around connections/seals
  • Unusual pressure fluctuations or audible hissing/whistling sounds
Engineering Tips
  • Implement regular torque checks on fasteners and follow manufacturer's specifications to prevent over/under-compression of seals
  • Establish a preventive maintenance schedule for seal replacement based on operating hours/cycles and fluid compatibility analysis

Compliance & Manufacturing Standards

Reference Standards
ISO 2768-1: General tolerances for linear and angular dimensions ANSI B4.1: Preferred Limits and Fits for Cylindrical Parts DIN 7172: Tolerances for linear dimensions without tolerance indication
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Surface flatness: 0.1mm
Quality Inspection
  • Dimensional verification with CMM (Coordinate Measuring Machine)
  • Hardness testing (e.g., Rockwell or Brinell)

Factories Producing Receiver

Manufacturer profiles with relevant production capability in China

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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.

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Frequently Asked Questions

What makes 7075-T6 aluminum ideal for rifle receivers?

7075-T6 aluminum offers exceptional strength-to-weight ratio and fatigue resistance, making it perfect for withstanding high-pressure firearm operations while keeping the receiver lightweight and durable.

How does the receiver interface with the barrel extension?

The receiver features a precision-machined barrel extension interface that ensures secure alignment and lockup with the barrel, maintaining accuracy and reliable headspacing for consistent performance.

Can this receiver accommodate aftermarket components?

Yes, the receiver is designed with standardized mounting points and dimensions that are compatible with most aftermarket AR-platform components, including different handguards, stocks, and trigger groups.

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.

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