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Welcome to Firearms Unknown, we are an industry leader specializing in 80% receiver frames, parts and accessories.

We started out in 2010 specializing in AR-15 type parts and accessories and have expanded our product line to include actual firearms of all varieties.

We carry all of the components to machine your firearms at home. Including but not limited to, lowers/frames, lower parts kits, stock assemblies, upper receivers, barrels, jigs, tooling and much more for the AR-15, AR-10, Glock, 1911, 10/22 platforms.

Firearms Unknown works with other industry leaders in manufacturing to provide our customers with top-of-the-line products at the best possible price.

All of the firearms products we supply are made in the USA and guaranteed to meet some of the highest quality expectations on the market. We stand strongly behind the products we carry and sell, to ensure you some of the best firearms builds possible.

5- Locations to serve you! 

Yuma, AZ Location: 801- W. 32nd St. Yuma, AZ 85364      Phone: (928) 955-FUFU (3838)

National City Location: 416 National City Blvd #A  National City, CA 91950    Phone: (619) 507- 3174

Oceanside Location:  1906 Oceanside Blvd #K Oceanside, CA 92054    Phone: (760) 730-5599

Hiram's Guns/El Cajon: 660 S Magnolia Ave, El Cajon, CA 92020    Phone: (619) 442-5353

Laguna Hills Location: 23016 Lake Forest Dr. #E  Laguna Hills, CA 92653    Phone: (949) 601-3227

Marksman Pistol Institute   -----   Tucson's only indoor gun ranges ​

Mon-Tue-Weds-Thurs: 10am to 6pm
                                         FRI: 9am to 6pm
                             SAT/SUN: 9am to 6pm​​