Budget Builder
Set your budget and use case. Get a complete AR-15 parts list with real prices from multiple retailers, compatibility checks, and direct links to buy.
1. Set Your Budget
Choose a preset or enter a custom amount between $400 and $5,000.
2. Choose Use Case
This shifts budget allocation toward parts that matter most for your intended use.
Smart Allocation
Budget is distributed across 14 categories based on how much each part typically costs relative to a complete build. Barrel and handguard get the largest shares.
Real Prices
Every recommendation is backed by a real product listing from one of our partner retailers. Prices update regularly so what you see is what you pay.
Compatibility Checked
The recommended build runs through the same compatibility engine used in our full builder. Platform, caliber, and gas system mismatches are flagged automatically.