Last reviewed: 2026-04-18 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
For home defenders working 410-bore platforms, the Remington Ultimate Defense 410 buckshot ammo delivers terminal energy in a compact package. Each 3″ hull carries five 000 lead buck pellets — the largest shot size practical in this gauge — launched at 1125 feet per second. That combination puts effective stopping power inside typical home-defense distances while maintaining the manageability and reduced recoil 410 shooters expect. Remington engineered this load specifically for smooth-bore defensive shotguns and revolvers chambered in 410 Bore, where over-penetration concerns or recoil sensitivity make traditional 12-gauge buckshot less suitable.
Load Profile
The five-pellet 000 buck payload represents the maximum projectile count Remington can pack into a 410 hull without compromising pattern integrity. Each pellet measures 0.36 inches in diameter — larger than the 00 buck pellets found in many 12-gauge loads — and the 1125 fps muzzle velocity pushes the stack downrange with enough momentum to expand reliably inside 15 yards. Boxer primers and roll crimps ensure consistent ignition and feeding across pump-action, break-action, and revolver platforms. The brass is reloadable for handloaders who want to tailor velocity or substitute components.
Specs at a Glance
| Spec | Value |
|---|---|
| Gauge | 410 Bore |
| Shell Length | 3″ |
| Shot Type | Lead Shot |
| Shot Size | #000 Buck |
| Number of Pellets | 5 |
| Muzzle Velocity | 1125 fps |
| Buffered | No |
| Primer | Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Barrel Type | Smooth Bore |
| Crimp | Roll |
| Rounds per Box | 15 |
| Case Quantity | 150 (10 boxes of 15) |
| Intended Use | Self Defense |
| Manufacturer | Remington |
This load ships as a 150-round case, broken into 10 boxes of 15 shells each. If you run a Taurus Judge, Bond Arms derringer, or a Mossberg 500 in 410, this ammunition belongs in your defensive rotation. Browse the full Remington 410 Ammo lineup for field loads and training alternatives.
Safe Handling & Compliance
Federal law requires purchasers to be at least 18 years old for rifle and shotgun ammunition, and at least 21 for handgun ammunition. Ammunition cannot be shipped to certain states, counties, and cities — review our ammunition shipping restrictions before ordering. Store ammunition in a cool, dry location away from heat sources and out of reach of unauthorized users.
- Observe the four universal rules of firearms safety: treat every firearm as loaded, never point at anything you don’t intend to destroy, keep your finger off the trigger until ready to fire, and know your target and what lies beyond it.
- This product contains lead, a substance known to the State of California to cause cancer and reproductive harm under Proposition 65. Wash hands after handling ammunition and components.
- Confirm your firearm is chambered for 3″ shells before loading. Shorter chambers will not safely accommodate this ammunition.
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