Some stores that sell .22 long rifle clips are Palmetto State Armory, GunBroker.com, Bass Pro Shops and Gun Clip Depot. Gun Clip Depot's website, Gunclips.net, specializes specifically in selling clips for firearms while Palmetto State Armory and GunBroker.com carry clips as well as many other types of firearm accessories. Bass Pro has physical store locations and is a sporting goods and firearm reseller.
If you are looking for a physical store to find .22 long rifle clips, Bass Pro Shops has stores located throughout the United States. Bass Pro Shops has a wide variety of firearm clips available on its website. Keep in mind that the stock carried by its stores may not be as extensive as the stock available in the online catalogs.
Palmetto State Armory offers daily deals on clips and other firearm accessories on its website, PalmettoStateArmory.com. There is also a clearance section where you can find lower prices on many items, including .22 long rifle clips.
GunBroker.com has a large online catalog of gun parts and accessories that can be searched by name or browsed by categories. You can refine your searches to include only results that have pictures or by new or used items.
Gun Clip Depot specializes specifically in selling clips for many different types of firearms. However, it also has other firearm parts and accessories available for sale on its website, GunClips.net.