The Samson Armory kits for sale offer variety of parts and broad range of ar-15 accessories to choose from. We understand the importance of having quality gun accessories for sale for all of your gun needs. You shoot guns long enough and often enough you will find yourself needing to upgrade or replace some parts. Lower parts are usually a great place to start, whether you need a detent spring, extended magazine release, or pivot pin. From an individual part to a complete parts kit, you can find it here.