The Sig Sauer MCX Ratter is chambered in 300 Blackout with an ultra small form factor. Upgrade this awesome Pistol / SBR with high quality Lantac USA parts.

Our E-CT1 Single Stage (4.5Lb) Trigger fits and functions without any modifications and is available in either Curved or Flat bow designs. Our ultra popular Dragon® Brakes come with both Gemtech Bi-Lock and SilencerCo ASR mounts so you can experience the best muzzle control with the ability to mount your favorite suppressors.

Make sure to get our special Sig Sauer Taper Lock Barrel Adapter to safely mount standard Muzzle Devices.

We also have upgrade grips and safety selectors in the online store.