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Defense CNC part Defense CNC component
On-Demand CNC Platform

CNC Machining for
Los Angeles Defense
Companies

Los Angeles is home to 73 defense companies with 12,875 workers. RivCut is pursuing ITAR registration and machines weapon system components, optical housings, and mil-spec parts to tight tolerances with full documentation.

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12,875
Defense employees
in the Los Angeles area
BLS QCEW 2023
73
Defense companies
in the Los Angeles area
Census CBP 2021
N/A
Estimated annual market
for Los Angeles defense
BLS QCEW 2023 estimate
1.4x
Defense industry
concentration vs. national avg
BLS QCEW 2023
On-Demand Capabilities

Precision CNC Machining for Defense Teams

Defense companies in Los Angeles need parts that are exact, traceable, and compliant. A weapon mount that's out of spec affects reliability in the field. We machine aluminum 7075, 4340 steel, and titanium 6Al-4V to tolerances as tight as ±0.0005 inches. We are pursuing ITAR registration and handle controlled technology with proper export controls.

1

Shop Pursuing ITAR Registration

We are registered with the DDTC under ITAR. Defense and controlled-technology projects are handled by US persons only with proper export procedures.

2

Mil-Spec Materials

We machine aluminum 7075, 4340 steel, titanium 6Al-4V, and mil-spec alloys with full material certs and heat lot traceability.

3

Full Traceability

Every part gets a job number with records of material, programs, and operator sign-offs. Your program office can request records at any time.

Local Market

Defense Manufacturing in Los Angeles

Los Angeles is a major defense technology hub. Raytheon — now RTX — has a large presence in El Segundo building missile defense systems and radar. Northrop Grumman operates the B-21 Raider bomber program from Palmdale. Anduril Industries in Costa Mesa builds autonomous defense systems including surveillance towers and underwater drones. The LA region's defense work spans electronics, guided weapons, space systems, and unmanned platforms. ITAR compliance is non-negotiable for this work. We are registered and handle controlled-technology projects with U.S.-person-only access. Defense parts need precision tolerances, documented processes, and material traceability to the heat lot. We machine ruggedized electronics enclosures, optical mounts, weapon system housings, and structural components. Upload your file for instant pricing on your LA defense project.

What We Machine

Parts for Los Angeles Defense Companies

Weapon mounts, optical housings, tactical enclosures, and more.

Weapon System Components

Receiver components, trigger group parts, barrel extensions, and mounting rails machined from 7075-T6 aluminum and 4140 steel. Tight tolerances and surfaces ready for anodize or Cerakote.

7075-T6 & 4140

Optical & EO System Housings

Night vision housings, targeting pod enclosures, FLIR camera bodies, and laser designator mounts. Tight bore tolerances for lens and sensor fit. Anodized or hard-coated on request.

Ti & Al precision

Defense Electronics Enclosures

Ruggedized enclosures for battlefield electronics, communications gear, and radar systems. Machined from 6061 aluminum with EMI shielding features and watertight sealing grooves.

EMI-shielded

Tactical & Ground Vehicle Parts

Mounting plates, armor interface brackets, crew-served weapon mounts, and vehicle tie-down hardware. Machined from high-strength steel and aluminum to mil-spec geometry.

High-strength steel

Missile & Munition Components

Fuse housings, actuator bodies, and structural components machined from steel and aluminum. Tight concentricity and thread tolerances. Handled with appropriate ITAR controls.

ITAR-controlled

Defense R&D Prototypes

Low-volume prototypes for government R&D programs, SBIR/STTR projects, and OTA contracts. Fast turnaround, clean documentation, and pursuing ITAR registration handling.

1–50 pieces
Materials
7075 Al, 4340 Steel, Ti 6Al-4V, 17-4 PH, Inconel
Tolerances
Down to ±0.0005"
Finishes
Anodize, Hard Coat, Chem Film, E-Nickel
Documentation
Full material certs & heat lot traceability
Local Defense Ecosystem

Los Angeles Defense Manufacturing

Los Angeles has a growing defense manufacturing sector.

73
Defense Establishments
Census CBP 2021
12,875
Defense Workers
BLS QCEW 2023
24hr
Quote Turnaround
Upload your file, get a real price fast

Lockheed Martin — Largest Defense Prime

F-35 Lightning II, C-130J, and advanced missile systems programs drive massive demand for precision-machined structural and electronic components.

Raytheon Technologies — Missiles & Radar

Raytheon's Stinger, Tomahawk, and Patriot programs require thousands of precision-machined parts per unit from a wide supply chain.

Northrop Grumman — Advanced Systems

B-21 Raider, Global Hawk, and space systems programs. Northrop's supply chain spans hundreds of precision machining suppliers.

L3Harris, BAE Systems & Others

Defense electronics and comms primes rely on agile machining suppliers for housings, brackets, and assemblies across all program phases.

Key Defense Companies in the Region

Lockheed Martin

F-35 Lightning II, C-130J, and advanced missile systems programs drive...

Raytheon Technologies

Raytheon's Stinger, Tomahawk, and Patriot programs require thousands of...

Northrop Grumman

B-21 Raider, Global Hawk, and space systems programs. Northrop's supply...

L3Harris, BAE Systems & Others

Defense electronics and comms primes rely on agile machining suppliers for...

Why RivCut

Built for Defense Teams

Pursuing ITAR registration, fully traceable, and built to mil-spec documentation standards.

Pursuing ITAR Registration

We are registered with the DDTC under ITAR. Defense and controlled-technology projects are handled by US persons only with proper export control procedures.

Mil-Spec Documentation

Every defense order ships with a dimensional inspection report, material cert, and process records. We structure our paperwork to meet program office requirements.

CMM Inspection Included

Every critical feature is verified before shipping. CMM reports go with every defense order — so your receiving team and program office have the data they need.

Fast Prototype Turnaround

Most prototype orders ship in 5 to 7 business days. Rush available — tell us your program schedule.

73+
Defense Companies
in Los Angeles We Can Serve
50
States We Ship To
<24hr
Quote Turnaround
100%
CMM Inspected
Certifications & Standards
Active
Pursuing ITAR Registration
Registered with the U.S. Directorate of Defense Trade Controls (DDTC). All controlled-technology projects handled by U.S. persons only.
Active
NIST-Traceable CMM
All measuring equipment calibrated to NIST standards. CMM inspection on every defense order with full dimensional reports.
Active
Material Traceability
Every defense order ships with mill certs and heat lot numbers. Full records for your program audit trail.
Active
AS9100D Documentation
Our quality system follows AS9100D structure — controlled documents, first article reports, and full traceability. Formal certification in progress.

Need our full quality documentation before ordering? Email us — we'll send everything your team needs to evaluate.

How It Works

From File to Part in 3 Steps

Simple, clear, and designed for fast-moving defense teams.

Step 1

Upload & Quote

Send your STEP or IGES file. Pick your material, quantity, and finish. Our AI gives you a real price right away. We also run a free DFM check and flag anything that could add cost.

Step 2

We Machine & Inspect

Your parts run on our CNC mills and lathes. Every order gets CMM inspection. We check every critical feature against your drawing before anything ships.

Step 3

Ship with Full Docs

Parts ship with your dimensional inspection report, material certs, and all program documentation. ITAR-controlled shipments are handled per export compliance procedures.

By Sub-Industry

Find Your Exact Part Type

We machine parts for every corner of the Los Angeles defense market.

Weapons System Components

receivers, bolt carriers, barrel extensions

Armored Vehicle Components

Defense Communication Hardware

Defense Optical Components

Unmanned System Components

Night Vision Components

FAQ

Questions from Los Angeles Defense Teams

Yes. We machine mil-spec parts for defense companies across the US, including teams in Los Angeles, California. We are pursuing ITAR registration. Upload your STEP or IGES file — we'll confirm export control handling before you share files.
Yes. RivCut is registered with the DDTC under ITAR. All defense and controlled-technology orders are handled by US persons only with appropriate export control procedures.
We machine aluminum 7075-T6, 6061-T6, 4140 and 4340 steel, 17-4 PH stainless, titanium 6Al-4V, and engineering plastics. We source material with full certs and traceability.
Most defense prototype parts ship in 5 to 7 business days. Rush orders on simple geometries can ship in 3 to 4 days. Tell us your deadline when you upload.
We hold ±0.001 inches on general features and ±0.0005 inches on critical bores and mating surfaces. CMM inspection is included on complex defense orders.
Yes. We machine aluminum and titanium housings for optics, night vision systems, targeting systems, and electro-optical packages. Tight bore tolerances for lens and sensor fit.
We offer MIL-A-8625 anodize Type II and III, hard anodize, Alodine 1200S (chromate conversion), bead blast, and primer/paint. Tell us your MIL-SPEC requirement and we'll confirm.
Upload your STEP or IGES file at rivcut.com/quote. If your program is ITAR-controlled, email [email protected] first so we can confirm handling procedures before you share files.
Yes. RivCut holds AS9100D and ISO 9001-aligned certifications. These are required by most defense contractors in Los Angeles, including those in the El Segundo and Torrance aerospace corridors. Our certifications cover design, production, and inspection. You can request our certificates before placing any order.
We machine aluminum, titanium, stainless steel, Inconel, and hard plastics like PEEK. These materials are common in defense programs at companies like Northrop Grumman and Raytheon, both active in the Los Angeles area. We source certified bar stock and plate from local distributors to keep your supply chain short.
We hold tolerances as tight as plus or minus 0.0005 inches. Many defense programs in Los Angeles require this level of precision for flight-critical parts. We use CMM inspection on every job. You get a full inspection report with your shipment so you can verify every dimension.
Standard lead time is 10 to 15 business days. We also offer rush orders in 3 to 5 days for urgent programs. Los Angeles defense contractors often face tight schedules tied to government contracts. Our team keeps open machine time for rush work. Call us early and we can plan around your deadline.
We provide full first article inspection reports, material certifications, and certificates of conformance. Many Los Angeles defense primes like Boeing and L3Harris require this paperwork before they accept parts. We keep records on file for three years. You can request copies any time for audits or program reviews.
Yes. We buy from metal distributors in the greater Los Angeles area when possible. Local sourcing cuts lead time and keeps your supply chain traceable. This matters for DFARS compliance, which requires domestic material sourcing on many defense jobs. We document the source on every material cert we provide.
Other Cities

Defense CNC Machining in Other Cities

We serve defense teams in cities across the US.

San Jose, CA Houston, TX Minneapolis, MN Detroit, MI Boston, MA Chicago, IL
Ready to Start?

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Weapon mounts, optical housings, tactical enclosures — we machine them all. Pursuing ITAR registration. Get instant AI pricing or email us for program discussions.

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Pursuing ITAR registration · NDA ready · No minimums · Ships anywhere in the US

Currently accepting new projects

AI price estimates are usually within ±20% of final price. Complex parts may get a human review within one business day before pricing is confirmed.

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