Gunther Guns Inc. holds Carlsbad's only Federal Firearms License, operating as the sole brick-and-mortar gun dealer in the city from its Loker Avenue West location near Palomar Airport Road. ATF Type 01 FFL #9-33-073-01-8D-10666 authorizes retail sales, consignment, and inbound FFL transfers, anchoring a self-defense corridor that includes hand-to-hand combat training at Carlsbad Kickboxing Club on the same industrial strip. Inventory rotates through Glock, Smith & Wesson, Sig Sauer, Beretta, Ruger, Henry, Mossberg, and Heckler & Koch models across handgun, revolver, shotgun, and rifle categories. Consignment sellers list used firearms through the shop, where staff photograph, price, and broker each transaction under full California DOJ compliance including mandatory background checks and DROS processing. Ammunition stock spans 9mm, .45 ACP, .223 Remington, and 12-gauge loads, covering the same tactical and field-sport disciplines served by the outdoor layering and footwear programs at Columbia Sportswear Company Employee Store off El Camino Real. FFL transfers from out-of-state dealers require a 10-day California waiting period with DOJ background check, DROS fee processing, and Firearm Safety Certificate verification before release.