Build Your
Perfect
AR-15
Pick parts. Check compatibility. Compare prices across retailers. Save and share your build.
Compatibility Engine
Real-time validation catches incompatible parts before you buy. Platform, caliber, gas system, and barrel nut checks built in.
Price Comparison
Same part, multiple retailers. Find the best deal without opening a dozen browser tabs.
Save & Share
Save your build with a shareable link. Get feedback from friends or the community before pulling the trigger.