BCI Stoner 63 to M249 Magazine Adapter – MAG-NITUDE Series

Upgrade your G&P Stoner 63 with Bull Craft’s M249 Box Magazine Adapter, engineered for compatibility, weight reduction, and unmatched modularity. This adapter allows you to swap standard mags for high-performance M249 boxes, unlocking greater fire rates and access to robust, customizable internals. Designed for seamless integration and field-tested across diverse platforms worldwide, it's a no-compromise solution for serious operators.

Built Right. Ready to Fight.