M249 MK.46 Style (100rnd Real Steel) Magazine

M249 MK.46 Style (100rd Real Steel) Magazine 

Holds Approximately 3,500 Rounds

Featuring the Cattle Drive™ Springless Clutch Drive Feeding System

Unleash the beast. This isn’t just an insert—it’s a war machine in a shell. Engineered for dominance, the Bull Craft M249 MK.46 Style + Insert pairs a real-steel-spec 100-round shell with our proven Cattle Drive™ Springless Clutch Drive Feed System, delivering unmatched reliability and raw feeding power under sustained fire.

No springs. No drag. No excuses. Just relentless, self-clearing torque designed to keep rounds moving when it counts.

🚫 IMPORTANT ITAR RESTRICTION — READ BEFORE PURCHASE

⚠️ THIS MAGAZINE SHELL CANNOT BE SHIPPED OUTSIDE THE UNITED STATES.
Due to ITAR regulations, international orders cannot be accepted for this product. ***THE INSERT CAN BE SHIPPED BY OUTSIDE THE UNITED STATES!***

Features

✅ Made in the USA — Insert & Outer Shell
✅ Cattle Drive™ Springless Clutch Drive Feed System — No springs, no jams
✅ High-Torque Motor with External Speed Control — Adjustable from 6 to 40+ BPS
✅ Dual-Voltage Ready — Runs on 7.4v or 11.1v LiPo
✅ Super-Durable SLS Nylon PA12 Construction
✅ Drop-In Installation — Slides in smooth, locks in tight
✅ Includes Bowden Spring
✅ Tested with: Titan, Aster, Leviathan, Gate WARFET
✅ Superb Support via email, phone, Facebook, Instagram, and in-store
✅ Quick Turnaround & Reliable Shipping
✅ Actual Availability — No ghost listings

All Bull Craft drum magazines and inserts require a Trigger Control Unit (TCU) when paired with HPA platforms such as PolarStar or Wolverine. Without a TCU, standard FCUs lack power for motor-driven feeding. This applies across our drum & insert lines — if it runs HPA, it needs a TCU. With a TCU installed, feeding activates automatically on trigger pull. Already own an Airsoft Junkiez TCU? You’re good to go—our system runs seamlessly with it.

• Weight: 1.07 lb empty / 3.1 lb loaded with 0.25g BBs
• Compatibility: PolarStar, Wolverine (TCU required)

⚠️ Important HPA Compatibility Notice — READ BEFORE PURCHASE

All Bull Craft drum magazines and inserts require a Trigger Control Unit (TCU) when paired with HPA platforms such as PolarStar or Wolverine.

• Standard FCUs do not provide sufficient power for motor-driven feeding
• With a TCU installed, feeding activates automatically on trigger pull
• Already running an Airsoft Junkiez TCU? You’re good to go — full compatibility confirmed

⚠️ IMPORTANT – Connector Not Included

Your magazine or insert is supplied with approximately 6.5" of wire and no battery connector installed. This allows you to choose the connector that best fits your setup, whether that's JST, Deans (T-Plug), or another connector of your choice.

We're happy to solder on your preferred connector at no additional charge, but because every gun and battery location is different, we don't know what wire length your build requires. If we install a wire that's too long, you'll have excess wire inside your gun. If we install one that's too short, it may not reach your battery, requiring you to re-solder it anyway.

If you already know the wire length you need, simply leave us a note with your order. We'll gladly cut the wire to your requested length and solder on your preferred connector before shipping.

This approach ensures you receive the correct wire length for your specific build while giving you the flexibility to use the connector you prefer.

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⚠️ Don’t Be Fooled by Knockoffs

The Cattle Drive™ Springless Clutch Drive Feeding System is often imitated—but never duplicated.

• Designed, refined, and proven in-house
• Built with premium SLS Nylon PA12 and robust motor systems
• Backed by real-world testing, not marketing fluff

Don’t trust your loadout to inferior clones. Choose the original. Choose Bull Craft.