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Thompson/Center Arms Acquires Green Mountain Rifle Barrel Company

Posted By Dave Workman On Thursday, August 7, 2025 04:12 PM. Under Featured  
Gregg Ritz, Thompson Center CEO

Thompson/Center Arms, the storied New Hampshire firearms innovator recently returned to independent, family-owned status, has announced the acquisition of Green Mountain Rifle Barrel Company, according to a report at The Outdoor Wire.

This strategic move further strengthens T/C Arms’ vertical integration and accelerates its resurgence as a leading U.S. manufacturer of high-performance rifles and barrels. Green Mountain will continue to operate as an independent entity to serve the greater firearm community with its high-quality, precision-made barrels and will celebrate 50 years of being family-owned and operated, and made in the USA, the report noted.

Highlights of the Acquisition:

  • Enhanced Barrel Production
    Under former ownership, T/C Arms partnered closely with Green Mountain, rekindling long-standing local ties in New Hampshire. This acquisition transforms that partnership into a joint manufacturing foundation.
  • Reinforcing Quality and Innovation
    The integration of Green Mountain’s barrel-making expertise supports T/C Arms’ ambitious development goals, including exploring new barrel materials, emerging calibers and the latest in barrel making technology.
  • Supply Chain Synergy
    In recent months, T/C Arms has experienced strong industry support with suppliers eager to rejoin its supply chain, including key partners in barrel manufacturing. With Green Mountain inside the family, production agility and scalability will improve further.
  • Commitment to U.S. Manufacturing
    With design, engineering, and casting operations firmly based in Rochester & Farmington, NH, the addition of Green Mountain’s production capabilities underscores T/C Arms’ pledge to American-made quality and local economic revitalization.

Gregg Ritz, President & CEO of Thompson/Center Arms, said: “Bringing Green Mountain into the T/C family is a pivotal step toward reclaiming our legacy and controlling more of our craftsmanship in-house. We are extremely proud to join forces with the talented team at Green Mountain, empowering their capabilities and implementing new machining innovation, all made right here in New Hampshire. We look forward to continuing to serve existing and new Green Mountain customers in the firearm community as we raise the bar for quality and service.”

About Green Mountain Rifle Barrel Company

For 50 years, Green Mountain Rifle Barrel Company has produced high-performance barrel blanks and custom-profiled barrels. Historically, it partnered with Thompson/Center, supplying barrels for muzzleloading and modern rifles. https://www.gmriflebarrel.com

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