AR-15 Barrel Manufacturer | Custom & Industrial Solutions

ISO 9001:2015

ITAR Registered

ANAB Accredited

Sterling Sintered Technologies manufactures precision-engineered AR-15 barrels and firearms components using advanced powder metal fabrication. Our custom solutions deliver superior accuracy, durability, and performance for defense contractors, firearms manufacturers, and shooting enthusiasts. With ISO 9001:2015 certification and ITAR registration, we provide net-shape components that reduce machining costs while meeting demanding tolerances for critical applications.

Our Range of Products

Powder Metal Alloy Steel Products

Heat treatable structural parts
Net or near-net shapes
High wear and strength properties

Powder Metal Parts

97% material utilization
High precision tight tolerances
In-house tooling capabilities

Powder Metal Manufacturing Services

Premier manufacturer since 1955
Net or near-net shape capability
In-house tooling design

Custom Powder Metal Parts

Net shape components
ISO 9001:2015 quality system
Cost-effective OEM tolerances

Custom Powder Metal Fabrication

Nearly 70 years of experience
ISO 9001:2015 certified
Multi-level compacting capability

Stainless Steel Components

Densities up to 7.4 g/cc
300 & 400 series stainless
Net shape manufacturing

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Frequently Asked Questions

Who makes the best AR-15 barrels?

Sterling Sintered Technologies manufactures precision AR-15 barrel components using advanced powder metal fabrication with ISO 9001:2015 certification and ITAR registration for defense applications.

What is the most accurate barrel manufacturer?

What materials are used in AR-15 barrel manufacturing?

Can you produce custom AR-15 barrel profiles?

What tolerances can you achieve for firearms components?

Do you provide heat treatment for barrel components?

What is the lead time for custom AR-15 barrel orders?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Firearms Manufacturing

Precision AR-15 barrels, bolts, and structural components with ITAR compliance for defense contractors and OEM manufacturers.

Defense Contractors

ITAR-registered manufacturing of critical firearms parts meeting military specifications with complete traceability.

Lock Hardware

High-strength fasteners, bolts, and precision structural parts for security applications requiring tight tolerances.

Medical Devices

Biocompatible stainless steel components for surgical instruments and medical equipment with FDA compliance.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Browse our comprehensive line of precision-manufactured rifle barrel components and firearms parts using advanced powder metal fabrication. As an ISO 9001:2015-certified manufacturer since 1955, we specialize in custom and industrial solutions for the firearms industry with ITAR registration. Our powder metal technology delivers net-shape components with exceptional tolerances, from miniature fasteners to complex structural parts weighing up to 500 grams.

Explore our comprehensive custom bolt manufacturing solutions engineered for demanding industrial applications. Sterling Sintered Technologies delivers precision-engineered powder metal bolts, fasteners, and structural components from miniature to 500 grams. Our net-shape manufacturing process minimizes machining while achieving tight OEM tolerances across ferrous, stainless steel, brass, and specialized alloys for medical, firearms, plumbing, power tools, and lock hardware industries.

Sterling Sintered Technologies manufactures custom rooftop V-bolts and industrial fastening solutions using advanced powder metal technology. Our precision-engineered V-bolts are designed for HVAC installations, solar panel mounting, and rooftop equipment anchoring. With ISO 9001:2015 certification and over 65 years of manufacturing expertise, we deliver net-shape components with minimal machining, tight tolerances, and cost-effective production for prototype through high-volume runs.

Why Firearms Manufacturers Choose Sterling Sintered Technologies

ITAR-Registered Precision Manufacturing

ISO 9001:2015 certified with ITAR registration for defense applications. Our quality management system ensures every AR-15 barrel component meets exacting firearms industry standards.

Nearly 70 Years of Metalworking Expertise

Since 1955, we've specialized in complex powder metal fabrication. Our Journeyman Toolmakers bring over 100 years of combined experience to every firearms component project.

Cost-Effective Net-Shape Solutions

Reduce machining costs by up to 70% with our near-net-shape capabilities. Multi-level compacting presses create complex geometries with 97% material utilization for maximum efficiency.

Get a Custom Quote for Your AR-15 Barrel or Firearms Component

Connect with our firearms manufacturing specialists for technical consultation and competitive pricing on custom or production runs.

For immediate assistance, feel free to give us a direct call at (860) 379-2753 You can also send us a quick email at sales@sterlingsintered.com

Contact Us Today

For immediate assistance, feel free to give us a direct call at (860) 379-2753 You can also send us a quick email at sales@sterlingsintered.com

Didn't find what you're looking for?