Welcome to The Ballistic Assistant

A site dedicated to supporting commercial loaders, hobby ballisticians, and firearm enthusiasts with reliable information on ammunition components, tools, design, and technical data.

New here? Use the menu above to explore cartridge comparisons, reloading tools, handloading tips, and deep-dive articles.

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Current Deals from Our Affiliate Partners

Brownells: Free hazmat shipping on all powders and primers.

OpticsPlanet: PMC 147 gr .308 Win listed ≈ $1.05 / round; Fiocchi 124 gr 9 mm ≈ $0.34 / round (valid through 11/16/2025; prices subject to change).

Faxon Firearms: Black Friday Sale — up to 25 % off through December 31, 2025.

Palmetto State Armory: Ammo clearance — 149 gr 7.62×51 mm listed at ≈ $0.75 per round and Aguila 124 gr 9 mm listed at ≈ $0.34 per round (prices and availability subject to change)

Nosler: Factory Seconds, you never know what might be in stock, and it’s a good way to try a new bullet, or pick up components on the cheap.