Gunsmithing Services

We offer basic gunsmithing services.

Firearms & CCW Courses

Prepare for CCW. See our course lineup.

Situational Simulator

Improve judgement skills.

G4 Firearms Is Keeping Sonoma County Safe.

Firearms. Ammo. Tactical Gear. Training.

Law Agencies

We support our local
law enforcement

CALL (707) 540-0509


Only $275.00. Call (707) 540-0509 for current dates.


G4 Firearms is a full-service gun store. Not only do we stock a large variety of long guns and handguns, we also offer gunsmithing services, ammunition and accessories.


G4 Firearms carries several types of ammunition. Whether you are heading to the range or need ammo for home defense, we have got you covered.

Gear & Accessories

From gun range bags to cleaning supplies, or eye and hearing protection, G4 Firearms is Sonoma County's go-to gun shop.


G4 Firearms carries high-quality knives for hunting, survival, tactical and general use.

Firearms Training Courses

G4 Firearms is proud to offer several instructional courses for individuals of all skill levels. Click on the class name below for additional information and prices. Dates and times are subject to change.

Call (707) 540-0509

Customer Testimonials

We always love hearing from our customers. Here are a few of our reviews!