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 sales@sixsigmaarms.com. We have access to significantly more items than what we have listed on our website.