“Lessons Applied”
Big Bore LLC provides licensed and certified services to government agencies and qualified entities in the commercial industry primarily in the areas related to artillery, armored vehicles, ordnance and any support items or systems. Big Bore LLC specializes in obsolete and foreign weapons systems, particularly in manufacturing, R&D, testing, logistics and training. Big Bore LLC also routinely supports modern developmental and manufacturing projects.
Big Bore LLC maintains a labor force and subcontractor base, skilled in manufacturing, machining, logistics, and training. We are constantly adapting and overcoming obstacles while promoting growth and diversity within the company. This flexibility allows the company to take on unique types of projects and services.
Government Restoration
We fulfill restoration work needed by federal and state museums, memorials, attractions, as well as military post specific projects. We pride ourselves in making the customers’ requests a reality. Our capabilities range from non operable, to blank fire or ceremonial use and live options. Our unique library of historically accurate paint schemes and detail work will make a notable contribution to your collection.


Design & Manufacturing
Our team is experienced in reverse engineering, design development, and the manufacturing of various components needed to keep these military artifacts operational. Our internal quality system guarantees that the customers’ request is met with our highest quality standard. We maintain a subcontractor base that is vetted and adheres to our quality system. We use modern CAD systems, 3D printing, and 3D scanning to ensure every detail is covered.
Research & Development
Our our access to multiple weapons systems provide the capability to conduct penetration testing as well as small batch (powder?) testing, and sound signature. For legacy armor testing, our network provides access to all parts and pieces.
Ordnance Testing & Range Time
Testing and training has become a critical element as new systems and technologies are developed for modern warfare. Giving our warfighters the best product and training has consistently put the U.S. at the forefront of military operations. With access to multiple large scale ranges, we are able to facilitate the testing of large caliber ordnance and provide personal training to the end user.
Naics & FSC
NAICS Codes
332710*: Machine Shop (PRIMARY)
332994: Small Arms, Ordnance, and Ordnance
Accessories Manufacturing
332993: Ammo Manufacturing (Except Small Arms)
336992: Mil. Armored Vehicle Comp. Manufacturer
423430: Computer and Computer Peripheral
Equipment and Software Merchant Wholesalers
541690: Other Tech. Consulting Services
611519: Other Technical and Trade Schools
811121: Auto. Repair and Maintenance
FSC Codes:
1005: Guns Through 30mm
1010: Guns Over 30mm up to 75mm
1015: Guns Over 75mm up to 125mm
1020: Guns 125mm through 150mm
1025: Guns 150mm through 200mm
1090: Ass. Interchangeable between weapons
1095: Misc. Weapons
1305: Ammunition through 30mm
1310: Ammunition over 30mm through 75mm
1315: Ammunition 75mm through 125mm
1390: Fuses and Primers
1395: Misc. Ammunitions
2350*: Combat, Assault and Tactical Vehicles
7G21: I.T and telecom – network: digital network
products (hardware and perpetual license software)
DJ01: I.T and telecom – security and compliance
support services (labor)
