Upgrade your FX Panthera, Dynamic, or King for extreme long-range performance.
The Heavy Hitter edition is purpose-built for shooters who demand more from their ammunition. If you are shooting extra-long, high-BC slugs that don't fit in standard magazines, this is the upgrade you need.
Designed to outperform the factory magazine, this custom-engineered unit features extended internal clearance and our signature Magnetic Lid system for frustration-free loading in the field.
Need better scope clearance?
If you are running low scope mounts or large sidewheels, check out our Mini Heavy Hitter Version here.
Why Choose the Heavy Hitter?
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Maximum Ammo Clearance (14.35mm):
Standard magazines often limit your ammo choices. The Heavy Hitter features a deepened internal chamber allowing you to load slugs up to 14.35mm in length without jamming or tipping.
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Magnetic Lid System:
No more fiddling with loose covers or tiny screws. Our lid snaps securely in place, making mid-session reloads quick and effortless.
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Reliable Cycling:
Precise 3D-printed tolerances ensure smooth indexing even with heavy, long-body projectiles.
Technical Specifications
| Material |
High-Strength PETG (Chemical & Impact Resistant) |
| Magazine Diameter |
50.5 mm |
| Internal Depth (Max OAL) |
14.35 mm |
| Best For |
Extra Long Slugs & High BC Ammo |
Capacity (Shots Per Caliber)
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.25 cal: 15 Shots
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.30 cal: 13 Shots
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.35 / .357 cal: 11 Shots
Compatibility
Fully compatible with the "New Generation" FX Block rifles:
- FX Panthera (All models)
- FX Dynamic
- FX King
- FX Leopard
