Structured Manufacturing Data (2026)

Precision Percussion Primer Assembly

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Precision Percussion Primer Assembly used in the Fabricated Metal Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Precision Percussion Primer Assembly is characterized by the integration of Primer Cup and Anvil. In industrial production environments, manufacturers listed on CNFX commonly emphasize Copper alloy construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Miniature explosive ignition component for ammunition cartridges.

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Product Specifications

Technical details and manufacturing context for Precision Percussion Primer Assembly

Definition
A critical sub-assembly in ammunition manufacturing that provides reliable ignition for propellant charges. This component consists of a metal cup containing impact-sensitive explosive compound sealed with a foil disc. It serves as the primary ignition source in centerfire cartridges, ensuring consistent ballistic performance. Manufacturers integrate these assemblies into cartridge cases during automated ammunition production lines.
Working Principle
When struck by a firing pin, the impact-sensitive explosive compound detonates, creating a flame jet that ignites the main propellant charge.
Common Materials
Copper alloy, Lead styphnate, Aluminum foil
Technical Parameters
  • Cup diameter for cartridge compatibility (mm) Customizable
  • Minimum impact force required for reliable ignition (N) Customizable
Components / BOM
  • Primer Cup Part
    Houses explosive compound and provides structural integrity
    Material: Copper alloy
  • Anvil Part
    Creates impact surface for firing pin and supports explosive compound
    Material: Copper alloy
  • Primary Explosive Part
    Impact-sensitive compound that initiates detonation
    Material: Lead styphnate
  • Foil Disc Part
    Seals explosive compound and contains flame jet
    Material: Aluminum foil

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Precision Percussion Primer Assembly.

Centerfire primer Ammunition primer Cartridge primer Percussion cap assembly percussion primer assembly for ammunition copper alloy primer cup components lead styphnate explosive charge primers precision primer assembly specifications ammunition primer operating temperature range

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 60,000 psi (peak)
other spec: Sensitivity: 0.5-2.0 ft-lb impact energy, Shelf life: 20 years
temperature: -40°C to +85°C
Media Compatibility
✓ Lead styphnate priming compound ✓ Brass cartridge cases ✓ Nitrocellulose-based propellants
Unsuitable: High humidity (>90% RH) or saltwater environments
Sizing Data Required
  • Cartridge caliber/diameter (mm)
  • Required ignition energy (ft-lb)
  • Desired primer height (mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Primer pocket erosion
Cause: High-pressure gas leakage past the primer cup due to improper seating or material fatigue, leading to progressive material loss and eventual failure to contain ignition pressure.
Anvil deformation/fracture
Cause: Excessive impact force during firing or material embrittlement from cyclic thermal stress, causing misalignment or breakage that prevents reliable percussion initiation.
Maintenance Indicators
  • Audible high-pitched hissing or popping during assembly pressurization tests
  • Visual scoring or discoloration around the primer cup sealing surface during inspection
Engineering Tips
  • Implement torque-controlled installation with calibrated tools to ensure consistent primer cup seating without over-compression
  • Establish regular non-destructive testing (e.g., ultrasonic thickness measurement) of critical components to detect material degradation before functional failure

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ASTM E1444/E1444M-22 - Standard Practice for Magnetic Particle Testing CE Marking - Directive 2014/34/EU (ATEX) for explosive atmospheres
Manufacturing Precision
  • Bore Diameter: +/-0.01mm
  • Primer Cup Flatness: 0.05mm
Quality Inspection
  • Dye Penetrant Inspection for surface defects
  • Spectrographic Analysis for material composition verification

Factories Producing Precision Percussion Primer Assembly

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.

Supply Chain Commonly Integrated Components

Upper Blade

The stationary cutting blade in a guillotine shear that works in conjunction with the lower blade to shear sheet metal.

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Lower Blade

The stationary cutting blade in a sheet metal guillotine shear that works in conjunction with the upper blade to shear metal sheets.

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Aluminum Shell

The outer protective casing component of a pharmaceutical vial aluminum seal

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Material Handling Crane

Overhead lifting equipment for transporting aluminum profiles between processing stations in an anodizing line

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Frequently Asked Questions

What are the key components in a precision percussion primer assembly?

The assembly consists of four main components: an anvil, foil disc, primary explosive (typically lead styphnate), and primer cup made from copper alloy.

What is the typical shelf life of percussion primer assemblies?

Properly stored percussion primer assemblies typically have a shelf life of 10-15 years, though this can vary based on environmental conditions and specific manufacturing specifications.

How does the sensitivity threshold affect primer performance?

The sensitivity threshold (measured in Newtons) determines the impact force required for reliable ignition. Proper sensitivity ensures consistent firing while maintaining safety during handling and storage.

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 Fabricated Metal Product 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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