Whiskey Lower

Whiskey Lower

Learn More
MuzzleThumper

MuzzleThumper

Learn More

Specialized Tactical Systems – Custom AR Rifle Manufacturer & AR Accessory Provider

Welcome to Specialized Tactical Systems

Specialized Tactical has been serving the needs of the shooting community since 2008.  STS got its start machining Billet Lower receivers before it was cool.  Back then, there were four companies doing billet lowers and STS was one of them.  Over time, we have grown with our customers needs and wants, allowing them to be our guiding force.