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
We got our start building custom 1911 builds and continue this work today. If you’re looking for upgrades, custom builds, checkering work or trigger fine-tuning to your specifications, contact us today.
About Kuper Precision
Kuper Precision is owned and operated by Cooper White. Cooper has an extensive gunsmithing, law enforcement and security background.
Formerly Cooper’s Weapon Works Inc.
2422 Sedgwick Place
Jacksonville, Florida 32217
Business hours are currently by appointment only.