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The Cor-Bon DPX +P .45 Long Colt is built around a monolithic solid copper projectile that sets it apart from conventional hollow points. This isn't ammo that compromises between expansion and penetration, barrier blindness and reliability. The bullet uses internal serration cuts instead of traditional external designs, which allows the copper to fully expand into six razor-sharp petals while maintaining complete weight retention, even after passing through tough materials like auto glass, steel, or heavy clothing.
Cor-Bon engineered the DPX line using FBI testing protocols to hit a specific sweet spot in terminal performance. You get soft tissue penetration in the 12 to 18 inch range alongside reliable, consistent expansion every single time. The expanded bullet doubles its diameter but doesn't lose any weight in the process, which means energy transfer remains predictable and devastating. At 1200 fps from a standard barrel length, this load delivers 720 foot-pounds of muzzle energy and maintains the momentum needed whether you're dealing with barriers or open soft tissue.
One of the DPX's defining features is what folks call barrier-blind performance. Most ammunition either punches through barriers intact (losing expansion) or expands early (losing penetration). The DPX bullets pierce barriers without splintering or fragmenting, then deliver the same terminal performance on the other side. Testing has shown the 225-grain DPX expanding to approximately 0.85 inch in diameter with over 17 inches of penetration, making this viable for situations where intermediate barriers are a real-world consideration.
The lead-free, solid copper build means less residue fouling your revolver or rifle, cleaner range sessions, and ammunition designed with modern sensibilities. New production brass cases are non-corrosive and boxer-primed for easy reloading if that matters to you.
The DPX uses a monolithic solid copper construction instead of a jacket and core design, which eliminates jacket separation and ensures 100% weight retention through barriers. The internal serration cuts allow consistent six-petal expansion that maintains penetration depth even after passing through auto glass, steel, or heavy clothing. Standard hollow points often expand too early or fail to perform reliably through intermediate barriers.
The .45 Long Colt +P is compatible with most revolvers chambered in .45 Long Colt, but you should always verify your specific firearm can handle +P pressures. This load is not loaded to SAAMI specifications and produces higher pressure than standard .45 Colt. If your revolver has a manual recommending against +P ammunition, don't use this load.
Yes, the brass cases are boxer-primed and reloadable. However, the solid copper bullets are harder than traditional jacketed rounds and may wear dies faster during reloading. Plan accordingly if you're thinking about hand-loading these.
Gun Tests testing showed the DPX expanding to 0.85 inch diameter with over 17 inches of penetration and zero weight loss, outperforming other .45 Long Colt defensive ammunition tested. The combination of barrier-blind performance and consistent expansion makes it a top choice when reliability through intermediate barriers matters.
| Caliber/Gauge | .45 ACP |
|---|---|
| Cost per Round | 1.60 |
| Grains | 225Gr |
| Manufacturer | |
| Manufacturer Part Number | DPX45C225 |
| Model | |
| Product Type | XPB |
| Units per Box | 20 |
| UPC | 757750451216 |
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