AR 15 Parts

Build Your Own AR15 Rifle

If you own or are considering building your own AR 15 rifle, you’ve come to the premier online provider of AR-15 parts. This is the place to get lower and upper receivers, trigger assemblies, rail systems and mounts, sights and sight adjustment tools, sling mounts, and much more from the best names in the AR 15 business. Top Gun Supply is the definitive distributor of parts that complement the versatility of your AR 15. This extensive line of AR 15 parts simplifies customization and the building of your firearm. Take a look at our upper receiver assemblies that are available in multiple configurations. Choose from our rail systems that allow for the attachment of sights and other premium parts. Quickly attach the right rugged rail to your rifle without modifications.

Parts for AR-15 Rifles Promote Precision

Parts for AR-15 Rifles are available here whether you’re building your own rifle, upgrading or personalizing. Try the AR-15 carry handle that mounts on flat top rifles with an adjustable integrated sight and lifetime warranty. The ideal accessories and tools for an AR-15 gun promote precision, such as highly reliable gun magazines made for extreme conditions and reliability, a lower receiver forged from aluminum alloy, or a complete AR 15 parts kit for lower receivers.

AR 15 Stock Parts Build a Better Rifle

We are your AR-15 gun parts specialist. In addition to an array of AR 15 accessories and parts, we sell the popular in-stock parts to support your work as you build or upgrade your rifle. A precision rifle stock can easily replace the standard AR 15 stock. Get an adjustable stock with stability similar to a fixed stock. Check out our vast inventory of gun parts now.