Custom Gunsmith Services
Grayguns Authorized Upgrade Center
Kuper Precision is fully authorized to install all Grayguns trigger systems and accessories for your SIG Sauer® and Heckler & Koch® pistols. Kit installations can be scheduled in advance and installed while you wait.
Modern Sport Rifle Builds
Kuper Precision has extensive experience building out rifles based on the AR platform. Whether you’re looking for an AR-pattern rifle for hunting, sport shooting, law enforcement patrol, or self-defense, Kuper Precision has you covered.
Custom 1911 Builds
Kuper Precision is fully authorized to install all Grayguns trigger systems and accessories for your SIG Sauer® and Heckler & Koch® pistols. Kit installations can be scheduled in advance and installed while you wait.