Underwood Ammo 863Underwood Ammo 863 Xtreme Defense 9mmLuger 68gr Solid Monolithic 20 Per Box/10 CaseUnderwood Ammo$26.06
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Underwood Ammo
Underwood Ammo 873 Xtreme Defense Platinum 9mm Luger is a lead-free, solid monolithic handgun round engineered for self-defense and personal protection. Built on nickel-plated brass cases that are reloadable and non-corrosive, this ammunition combines proven performance with responsible ammunition design. Each box contains 20 rounds loaded to professional standards by Underwood Ammo, a manufacturer known for quality and consistency in the defensive ammunition space.
The 68-grain solid copper bullet achieves 1,700 feet per second at the muzzle, generating 436 foot-pounds of energy—sufficient velocity for reliable expansion and penetration in defensive scenarios. The monolithic construction means no jacket separation and predictable, controlled performance when it counts. Because this round is rated safe for use in suppressors, it pairs well with modern tactical setups and quiet shooting applications without sacrificing velocity or reliability.
Whether you're stocking a duty gun, building a home-defense load, or seeking ammunition that performs cleanly and predictably, Underwood's Xtreme Defense Platinum delivers straightforward, lead-free performance in a supersonic package. The nickel-plated brass takes the guesswork out of case longevity and corrosion, making this ammunition reliable across climates and storage conditions.
| Caliber | 9mm Luger |
| Bullet Weight | 68 grains |
| Bullet Diameter | 0.355 inches |
| Bullet Material | Solid monolithic copper |
| Muzzle Velocity | 1,700 feet per second |
| Muzzle Energy | 436 foot-pounds |
| Ballistic Coefficient (G1) | 0.087 |
| Sectional Density | 0.077 |
| Case Type | Nickel-plated brass |
| Primer | Boxer |
| Lead Content | None |
| Corrosive | Non-corrosive |
| Reloadable | Yes |
| Rounds Per Box | 20 |
| Manufacturer | Underwood Ammo |
Yes. This ammunition is rated safe for use in suppressors, making it a practical choice for suppressed 9mm builds without any loss of velocity or reliability.
Yes. The nickel-plated brass cases are reloadable and non-corrosive, allowing you to recycle them multiple times.
The bullet is a solid monolithic copper construction with no lead core or jacket, making it compliant with lead-free ammunition requirements and environmentally responsible.
Each box contains 20 loaded rounds. Cases are sold in quantities of 10 boxes.
Underwood Ammo
Underwood Ammo 873 Xtreme Defense Platinum 9mm Luger is a lead-free, solid monolithic handgun round engineered for self-defense and personal protection. Built on nickel-plated brass cases that are reloadable and non-corrosive, this ammunition combines proven performance with responsible ammunition design. Each box contains 20 rounds loaded to professional standards by Underwood Ammo, a manufacturer known for quality and consistency in the defensive ammunition space.
The 68-grain solid copper bullet achieves 1,700 feet per second at the muzzle, generating 436 foot-pounds of energy—sufficient velocity for reliable expansion and penetration in defensive scenarios. The monolithic construction means no jacket separation and predictable, controlled performance when it counts. Because this round is rated safe for use in suppressors, it pairs well with modern tactical setups and quiet shooting applications without sacrificing velocity or reliability.
Whether you're stocking a duty gun, building a home-defense load, or seeking ammunition that performs cleanly and predictably, Underwood's Xtreme Defense Platinum delivers straightforward, lead-free performance in a supersonic package. The nickel-plated brass takes the guesswork out of case longevity and corrosion, making this ammunition reliable across climates and storage conditions.
| Caliber | 9mm Luger |
| Bullet Weight | 68 grains |
| Bullet Diameter | 0.355 inches |
| Bullet Material | Solid monolithic copper |
| Muzzle Velocity | 1,700 feet per second |
| Muzzle Energy | 436 foot-pounds |
| Ballistic Coefficient (G1) | 0.087 |
| Sectional Density | 0.077 |
| Case Type | Nickel-plated brass |
| Primer | Boxer |
| Lead Content | None |
| Corrosive | Non-corrosive |
| Reloadable | Yes |
| Rounds Per Box | 20 |
| Manufacturer | Underwood Ammo |
Yes. This ammunition is rated safe for use in suppressors, making it a practical choice for suppressed 9mm builds without any loss of velocity or reliability.
Yes. The nickel-plated brass cases are reloadable and non-corrosive, allowing you to recycle them multiple times.
The bullet is a solid monolithic copper construction with no lead core or jacket, making it compliant with lead-free ammunition requirements and environmentally responsible.
Each box contains 20 loaded rounds. Cases are sold in quantities of 10 boxes.