Mohan Machining and Manufacturing

Milling

• CNC milling with max machinable volume of 84 x 40 x 30 in.
• Large-part machining capacity.
• Milling tolerances down to +/− 0.0001 in.
• Specialty in 5-axis milling.
• Supports both production and short-run work.

Turning

• CNC turning with max turning capacity of 28 x 100 in.
• Large turning capacity.
• Turning tolerances down to +/− 0.0001 in.

Additional machining-related services

• Deburring services
• Sawing services
• Inspection services
• Drill and tap services

Expedited services are available. For a full, up-to-date list of services or to confirm capabilities for a specific part, customers should contact the shop directly.

Mohan Machining and Manufacturing offers design-support and small-run production services alongside core CNC machining.

Design and engineering support

• Cost-reduction design services to help optimize parts for machining.
• Product improvement and material selection support.
• Reverse engineering services.

Prototyping and small runs

• Design and prototyping for new parts and products.
• Small production runs for pilot or low-volume needs.

Repair and refurbishment

• Equipment refurbishment and repair services.

The services listed here are non-exhaustive; customers should contact the shop to discuss specific design, prototyping, or engineering needs.

• Drop-in installation; no gunsmith required.
• No threaded barrel required.
• Designed for quick install (under a minute with proper tools and safety practices).
• Engineered and CNC machined in Sacramento, CA, USA.

Performance and design

• Multi-chamber gas management design with three staged features working together.
• The design is described as reducing muzzle rise by approximately 40% and felt recoil by approximately 20% compared to a bare barrel, based on the manufacturer's engineering validation.
• Designed and validated using flow and pressure simulation before production.
• Machined from high-grade stainless steel on Haas 5-axis and Okuma equipment.

Manufacturing background

• Made in the USA in the same Sacramento shop that produces tight-tolerance aerospace contract work.
• Produced by a third-generation machinist with over 20 years of machining experience.

Pricing and how to buy

• The website currently lists the M3R1 1911 compensator at $99.99 USD.
• Customers should visit the Mohan Machining website or contact the shop directly to confirm current pricing, availability, fitment for specific 1911 models, installation questions, and shipping options.

Requesting a quote

• Customers can request a free quote for CNC machining, design, prototyping, or M3R1 compensator orders.
• Quotes can be requested by:
• Calling the shop
• Emailing the shop
• Using the "Request a Free Quote" form on the website contact page.

For project-specific details such as lead times, pricing, and shipping options, customers should contact the shop directly.

• Okuma LH-40 Lathe
• Approximate travel: 28 x 100 in
• Doosan S310N Lathe
• Approximate travel: 12.2 x 16 in
• Dawoo Lynx 200 Lathe
• Approximate travel: 11 x 4 in

CNC mills

• Haas VF-9/50 vertical mill
• Approximate travel: 84 x 40 x 30 in
• Haas VM-3 5-axis vertical mill with Haas TR210
• Approximate travel: 40 x 26 x 26 in
• Okuma MV-55 VB 5-axis vertical mill
• Approximate travel: 41 x 22 x 18 in

Quality assurance equipment

• Keyence XM5000 CMM
• Gidding and Lewis Cordax 1808-M CMM
• Deltronic DH 214 optical comparator

For the most current and complete equipment list, customers should contact the shop directly.

Metals

• Aluminum
• Stainless steel
• Mild steel
• Tool steel
• Titanium
• Inconel
• Magnesium
• Invar
• Brass
• Copper

Plastics and polymers

• Polyethylene
• PET
• PVC
• Polypropylene
• POM (Delrin/Acetal)
• Nylon
• ABS
• PEEK
• Polycarbonate
• PMMA (Acrylic)

For materials not listed here or for confirmation on suitability for a specific project, customers should contact the shop directly.

Ask anyway — the agent will say plainly that it is not published rather than guess.