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The Fiocchi Hyperformance Defense 4.6x30mm addresses a real need for serious ammunition in a cartridge that's been gaining civilian traction over the past few years. Since CMMG introduced civilian-legal AR platforms in this caliber, actual options for quality defensive loads have been limited. Fiocchi stepped up with the engineering and capability to fill that gap.
Conventional hollow-points can clog with fabric or intermediate barriers before expanding, which defeats the purpose in defensive scenarios. The plastic tip on these projectiles breaks away on impact, allowing the cavity to fill properly and initiate reliable expansion. In the velocity envelope of the 4.6x30mm, that design detail makes a meaningful difference in terminal performance.
You're looking at 1950 fps from the 38-grain projectile. That's high velocity in a small package, which translates to flatter trajectories and better energy retention at distance compared to typical pistol calibers. The bottlenecked design helps this round maintain its velocity downrange more effectively than conventional submachine gun ammunition. It's the kind of ballistic profile that makes precision follow-up shots straightforward even under stress.
Finding quality 4.6x30mm ammunition is a real challenge. Most of what's available comes from European military suppliers or ranges from a handful of domestic manufacturers. Fiocchi's presence in this market as a major ammo producer with domestic manufacturing capacity means these loads are actually available when you need them, not perpetually backordered. The round comes packaged 50 per box, which is standard for the cartridge and manageable for field rotation or storage.
The Fiocchi Hyperformance Defense 4.6x30mm is designed for semi-automatic carbines and personal defense weapons chambered in 4.6x30mm. Currently, the CMMG Banshee and FourSix are the primary civilian options available. Your firearm's barrel length and gas system will affect velocity and ballistic performance, but this load was engineered for the velocity envelope these platforms provide.
The plastic tip prevents clogging from clothing or barriers that conventional hollow-points can encounter, ensuring the cavity fills properly with fluid when it reaches the target. This initiates reliable expansion and energy transfer. In the 4.6x30mm's velocity range, this design detail improves consistent terminal performance compared to standard hollow-points.
Fiocchi markets this as their Hyperformance Defense line, so it's engineered specifically for defensive applications with emphasis on terminal performance. For training and plinking, you might consider their other 4.6x30mm loads. That said, if you want to train exactly how you'd defend yourself, this ammunition serves that purpose.
The 4.6x30mm was developed for the military HK MP7 and saw limited civilian adoption until recently when AR-platform firearms became available for it. With only a few manufacturers producing loads and relatively few civilian firearms in the caliber, supply hasn't caught up to demand. Fiocchi's involvement helps, but availability still requires checking with specialty retailers.
| Caliber/Gauge | 4.6X30MM |
|---|---|
| Cost per Round | 0.82 |
| Grains | 38 gr |
| Manufacturer | |
| Manufacturer Part Number | 46EXD |
| Units per Box | 50 |
| UPC | 762344713229 |
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