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Double Tap's 125 grain lead-free rounds pack the kind of punch serious 10mm users expect. These use a solid copper hollow point design that expands consistently while holding together throughout its path, giving you both the expansion you need for stopping power and the weight retention that keeps the bullet driving deep. At 1600 fps from a standard Glock 20, you're looking at 710 foot-pounds of energy right out of the muzzle. That velocity stays with the round too – even at 50 yards you're still pushing 1450 fps and over 580 foot-pounds.
If you shoot in areas with lead-free ammunition requirements or you just prefer to avoid lead, this is engineered solid copper through and through. It's not a compromise round – the solid copper projectiles actually provide some real advantages for accuracy and reliability since there's no jacket separation or concentricity issues to worry about. The design gives you that controlled expansion paired with consistent performance, so you're not gambling on how the round will perform when it matters.
The numbers matter because they tell you what to expect. With penetration running around 16.25 inches and expansion near 0.86 inches, this load sits in that sweet spot between creating enough trauma while maintaining reliable penetration. It's the kind of load designed for duty and defensive carry, not range shooting on a budget. The brass cases are reloadable if you want to stretch your dollar further down the road.
Double Tap manufactures all their ammunition by hand with tight tolerances, holding powder charges within a tenth of a grain. Each box contains 20 rounds, standard for quality defensive loads.
Yes, this round is specifically engineered for defensive use. The solid copper construction provides 100% weight retention, controlled expansion, and reliable penetration depths that meet defensive standards. The 1600 fps velocity from a standard Glock 20 delivers 710 foot-pounds of energy, which is substantial for stopping threats.
Solid copper bullets have some real advantages – there's no jacket to separate, they resist lead fouling for better accuracy, and the design here creates a wound cavity comparable to traditional hollow points. The tradeoff is they're more expensive, but you get that reliability of performance when it counts.
The published ballistics are from a Glock 20, which is a common reference platform. This round will cycle reliably in any standard 10mm firearm, though you may see velocity variations depending on barrel length. Shorter barrels like the Glock 29 will produce slightly lower velocities – around 1501 fps according to testing.
Yes, the brass cases are reloadable. Double Tap manufactures with tight tolerances, so the casings are quality brass that will last through multiple reloading cycles if you handload your own ammunition.
| Caliber/Gauge | 10mm |
|---|---|
| Case Material | Brass |
| Cost per Round | 1.30 |
| Grains | 125Gr |
| Manufacturer | |
| Manufacturer Part Number | 10MM125X |
| Model | |
| Product Type | Copper |
| Shipping Weight | 0.68 |
| Units per Box | 20 |
| UPC | 091037282033 |
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