Below you will find "upgrade trees" presenting available upgrades and relevant information/advice for specific firearms (for example, did you know there are four different ways to install a stock on a Saiga?). We are always adding new firearms, so check back often.
For popular weapons, only a representative slice of the market will be shown. The market is simply too vast to even consider maintaining a complete list of parts available for, say, an AR-15 build. Instead, the goal is to provide a prospective buyer with a good idea of "what's out there" so they can plan their build project.
For more niche weapons, an effort will be made to list all parts and mods available.
The contents of GunTweaks.com are produced for informational purposes only. Any modifications to a firearm should be performed by a licensed gunsmith only. Modifications may void warranties, create an unsafe firearm, and/or may cause injury or death. GunTweaks.com and its authors do not assume any responsibility, directly or indirectly, for the safety of readers attempting to use or misuse information, instructions, or procedures provided herein.