Six Sigma Arms Products

  Six Sigma Arms Custom Firearms    Six Sigma Arms Lower Receiver  

  Lilja 6.5mm Grendel Barrel    Lilja 6mm ARC Barrel  

  6.5mm Grendel / 6mm ARC Bolts  

Product List By Manufacturer

If you have questions or can't find what you're looking for please contact us via our website or email us at We have access to significantly more items than what we have listed on our website.