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Lithocore machines complex shapes and difficult angles in a single setup by using state-of-the-art 5-axis work cells that allows us to minimizes handling and increases repeatable accuracy. We have developed revolutionary fixturing techniques and creative programs to achieve surface finishes less than 8 micro inch (.2 micro meter) while holding critical tolerances to .0002 inch (.005 millimeter). We currently work with the following materials:

  • Acetal
  • Aluminum
  • Beryllium copper
  • BioDur stainless steel
  • Cadmium finished firearm products
  • Carbon and glass fiber composites
  • Celcon
  • Ceramic
  • Cobalt chrome
  • Delrin
  • Inconel
  • MP 35N
  • Magnesium
  • Molybdenum
  • Nitinol
  • PEEK
  • Radell
  • Ryton
  • Stainless steel
  • 17-4 stainless steel
  • 300 and 400 series stainless steel
  • Stellite
  • Themoplastics
  • Titanium
  • Titanium carbide
  • Tungsten carbide
  • Ultem


Lithocore’s main manufacturing facility is in Longmont, Colorado. Lithocore works closely with a strategic manufacturing partner in Washington State which allows us to utilize and lease many different machines and also tap into seasoned talent in diversified areas.


Lithocore is currently manufacturing a 22 Caliber Belt Fed AR-15 Upper Receiver, 5.56 mm M4 barrels - Black Nitride and 5.56 mm Full Auto Bolt Carrier Groups, the Bobcat 1100 Gen II shotgun rails, and 3 different Glock 19 compatible slides. Lithocore sells it's commercial products to dealers directly, and also on www.gunbroker.com and on it's ecommerce website www.lithocorex.com.


Lithocore engineers are currently designing and prototyping an 80% magazine fed 50 Caliber Rifle and an 80% Glock 19 compatible pistol.


Lithocore has a Joint Venture Partnership with Empty Shell (www.emptyshell.us/xm556-microgun) to manufacture their XM556 Microgun and to design and build an enhanced and modified M134 Minigun with Empty Shell’s proprietary technology. Empty Shell has designed, engineered and built the only handheld 5.56 Caliber Minigun in the world. It utilizes patented technology to allow it to operate at extreme angles, upside down and fires up to 12,000 rounds a minute, of which no other minigun in existence can do. Lithocore will be manufacturing the modified M134 Minigun with Empty Shell’s unique technology and the Joint Venture will be delivering them to the US Department of Defense and US State Department approved Foreign Governments in 2018.