4,660 Parts & Components for Sale from 115 Verified Sellers ($2–$2300) — Updated 2026-04-24
Shop gun parts and components at WeaponDepot. Find barrels, triggers, receivers, slides, springs, and complete parts kits. Build or customize your firearm with quality components.
You can buy parts & components online at WeaponDepot from thousands of verified sellers. All firearms ship to a licensed FFL dealer near you for a safe, legal transfer. WeaponDepot charges just 2.5% — the lowest fee in the industry.
How does buying parts & components work on WeaponDepot?
Browse parts & components listings, add items to your cart, and checkout securely with Stripe. Firearms ship to your chosen FFL dealer for transfer. Accessories and non-regulated items ship directly to your door.
What brands of parts & components are available?
WeaponDepot carries parts & components from hundreds of top manufacturers. Browse by brand to find products from Glock, SIG Sauer, Smith & Wesson, Ruger, and many more.