Last reviewed: 2026-04-19 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
The Remington Express Magnum 12 gauge 3.5 inch buckshot load stacks 18 pellets of #00 buck in a 3-1/2″ magnum hull, pushing 1,125 feet per second from a smooth bore barrel. That’s maximum dram equivalent driving a buffered shot column — granulated polymer cushioning between pellets to preserve roundness under compression and deliver tighter patterns downrange. For defensive shotgun work or hog hunters running extended magazines, this load brings pellet count and energy retention in a platform-length shell that fits pump and semi-auto shotguns chambered for 3-1/2″ magnum cartridges.
Performance at a Glance
| Spec | Value |
|---|---|
| Gauge | 12 Gauge |
| Shell length | 3-1/2″ |
| Shot type | Lead Shot |
| Shot size | #00 Buck |
| Number of pellets | 18 |
| Buffered | Yes |
| Velocity | 1,125 fps |
| Dram equivalent | Maximum |
| Crimp | 6-Point Star |
| Primer | Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Barrel type | Smooth Bore |
| Rounds/box | 5 |
| Intended use | Self Defense |
| Manufacturer | Remington |
The polymer buffer prevents pellet deformation during ignition and bore transit — a mechanical advantage that shows up as tighter groups at defensive distances and cleaner wound channels on game. Boxer primer, non-corrosive, reloadable hulls for those who press their own shells. Five-round boxes ship ready for 12 Gauge Buckshot Ammo applications where pellet count and energy matter more than reduced recoil.
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.
- Always follow the four rules of firearm safety when handling live ammunition.
- This product contains lead, a chemical known to the State of California to cause cancer and reproductive harm — store in ventilated areas and wash hands after handling.
- Verify your shotgun is chambered for 3-1/2″ magnum shells before loading — firing magnum loads in shorter chambers creates dangerous over-pressure conditions.
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