PAI Defense is a proud supplier of the entire lineup of Heckler & Koch Defense, Geissele Automatics, B&T USA, Daniel Defense, Benelli USA and FN USA parts and accessories. Please contact us for a quote on what you need. We stock many parts, but if they aren't in stock we will have an order placed and the parts drop shipped to your door from the factory. No longer will it be difficult to find Heckler & Koch parts and service for your agency. We can supply in quantity if needed and we want to earn your business.