Defense Parts We Machine
We machine precision defense components — weapons system parts, communication equipment, night vision components, vehicle armor, and optical systems. Common materials include 7075-T6 aluminum, 4140 steel, 17-4 PH stainless, Invar, and AR500 steel.
Weapons System Parts
CNC machined receiver housings, bolt carriers, and fire-control components in 7075-T6 aluminum, 4140 steel, and 17-4 PH stainless with MIL-spec finishes.
Communication Equipment
Precision-machined antenna housings, waveguide components, and ruggedized enclosures in aluminum and beryllium copper for tactical communication systems.
Night Vision Components
Objective lens housings, tube mounts, and focus assemblies machined from 6061-T6 aluminum with anodized finishes for night vision and thermal optic systems.
Vehicle Armor
Machined armor plate interfaces, turret ring components, and ballistic mounting brackets from AR500 steel and 7039 aluminum for armored vehicle programs.
Optical Systems
Precision mirror mounts, gimbal components, and laser housing assemblies machined from Invar, Kovar, and 6061 aluminum with sub-thousandth alignment features.
Why Belmont Defense Companies Choose RivCut
Ships from Union City, CA
Our shop in Union City is conveniently located near Belmont. Local defense teams get fast ground delivery, and we ship nationwide for distributed R&D programs.
Instant AI-Powered Pricing
Upload your STEP or IGES file and get a real price in seconds. No waiting for a human to review your file. If your part is complex, we follow up within hours with a confirmed quote.
Industry-Grade Materials
We stock and machine 7075-T6 aluminum, 4140 steel, 17-4 PH stainless, Invar, and AR500 steel. Full material certifications and lot traceability ship with every defense order.
Full Documentation
Material certs, dimensional inspection reports, and process records ship with every order. We provide the documentation your quality team needs for incoming inspection and traceability.
3 Steps to Precision Parts
Upload & Quote
Send your STEP or IGES file. Pick material, quantity, and finish. Get an instant AI price or a confirmed quote within hours.
We Machine & Inspect
Your parts run on our CNC mills and lathes in Union City, CA. Every order gets CMM inspection and full dimensional verification.
Ship with Full Docs
Parts ship with material certs, inspection reports, and all required documentation. We ship to Belmont and anywhere in the US.
Ready to Order Defense CNC Parts?
Upload your CAD file for instant pricing. We machine and ship from Union City, CA to Belmont and across the entire US.
No minimum order · STEP, IGES, DXF accepted · Free DFM review