Holdover Armory

Holdover Armory is a purpose-built tool for precision rifle hand-loaders. Organize your rifles, develop loads, run ladder tests, and track prep sessions — all in one place. Key features: • Rifle profiles — Store barrel length, twist rate, caliber, and zero distance for every rifle in your collection. • Load development — Log powder charges, bullet weights, brass, primers, COAL, and velocity data. Keep detailed notes on each load recipe. • Ladder tests — Record shot groups with ES, SD, and velocity data at each charge weight. Compare results to find your node. • Prep sessions — Track brass prep, primer pocket work, and other reloading activities with timestamps and notes. • Accessories — Catalog dies, presses, scales, and other equipment. • Custom calibers — Add wildcat or uncommon chamberings not in the default list. • Offline-first — All data stays on your device. No account required, no data collection. • Dark interface — Designed for low-light conditions at the reloading bench. Built by a hand-loader, for hand-loaders.