Bull Craft M249 "Big Green" Box Magazine Insert | MAVERIX

BCI M249 "Big Green" 4000rnd Magazine Insert – MAVERIX Series Meet “Big Green” — Bull Craft’s beast-mode M249 insert built for high-capacity dominance. With 4000 rounds packed into a compact 200-round real-steel shell profile, this is the biggest, boldest mag insert we’ve made. Powered by our trusted springless Cattle Drive Feed System, a massive motor with external speed control, and housed in ultra-durable Nylon PA12, this unit is primed for flawless feeding and serious field performance. Designed, printed, and powered in Florida, USA. This thing isn’t just tough—it’s tactical. ✅ Made in the USA ✅ Massive Motor w/ External Speed Control – keeps you in the driver’s seat ✅ Recommended Power Source: 11.1v LiPo for optimal performance ✅ Springless Design for Consistent Feeding ✅ Super Durable Nylon PA12 Construction  ✅ Comes with Bowden Spring ✅ Wiring Diagrams Available ✅ Tested with: Titan, Aster, Leviathan, Gate Warfet ✅ Superb Support via email, phone, Facebook, Instagram, and