Description
The .410 bore doesn't get a lot of respect in the upland world, but that's only because most people haven't shot the right load through the right gun. The Kent Ultimate FastLead changes that conversation. These shells combine high-velocity performance with Kent's proprietary Diamond Shot, a precision-engineered lead that's been polished, sized, and graded to deliver patterns you can actually trust.
What Makes Ultimate FastLead Diamond Shot Different
Diamond Shot goes through five separate grading processes during manufacturing, then gets polished and lubed to create a perfectly spherical pellet. That level of uniformity translates to tighter patterns and more consistent performance shot after shot. The shot is harder than standard lead too, which means it retains its shape through the barrel and maintains its energy downrange. That's why you see field testers talking about these shells actually performing out to practical upland distances instead of just being a backup option.
Built for the .410 Compact Hunter
With 11/16 ounce of shot and a muzzle velocity of 1150 fps, these 3-inch shells are loaded with the realities of the .410 in mind. The payload is there, the velocity is there, and the shot quality means you're not just throwing pellets downrange and hoping for the best. Each box contains 25 rounds, so you've got plenty for a solid day in the field or enough to pattern your gun properly and dial in your choke before opening day.
Upland Performance You Can Depend On
These shells were designed for the birds you're actually hunting. Quail, grouse, chukar, and woodcock don't need 3 ounces of shot—they need the right number of pellets in the right pattern, and that's what you get here. #7.5 shot size works well for upland birds at typical flushing distances, especially when it's as uniform as Diamond Shot. The combination of velocity and shot quality keeps the pattern together longer and makes your gun feel more capable than you'd expect from such a small bore.
Key Specifications
- Gauge: .410 Bore
- Shell Length: 3 inches
- Shot Size: #7.5
- Payload Weight: 11/16 ounce
- Muzzle Velocity: 1150 fps
- Shot Material: Premium Lead with Diamond Shot
- Rounds Per Box: 25
- Manufacturer: Kent Cartridge
- Manufacturer Part Number: K4103UFL197.5
- UPC: 656308112312
- Application: Upland Game Hunting
What’s Included
- 25 shotshells loaded with #7.5 shot
Frequently Asked Questions
What is Diamond Shot and why does it matter in the Ultimate FastLead load?
Diamond Shot is Kent's proprietary polished and graded lead formulation that goes through five separate manufacturing processes to ensure perfect sphericity and uniformity. This means tighter, more consistent patterns compared to standard lead shot. The shot is also harder, which helps it retain its shape through the barrel and maintain energy downrange, making it especially effective for a smaller bore like the .410.
Is #7.5 shot the right size for upland hunting with a .410?
Yes, #7.5 is a solid choice for upland birds with the .410. It provides a good pellet count in a compact payload while staying appropriate for quail, grouse, and similar game at typical flushing distances. Smaller shot sizes like #7.5 work well when the shot quality is high, which is the case with Diamond Shot.
How does 1150 fps velocity compare to other .410 upland loads?
1150 fps is a respectable velocity for .410 upland ammunition. While not the fastest option available, it's appropriate for a load focused on pattern consistency and reliable performance. The real advantage here is combining that velocity with the uniformity of Diamond Shot, which helps you get predictable patterns rather than just chasing raw speed.
Can I use these shells in an older .410 shotgun?
These are standard 3-inch .410 shells, so they should function in any .410 shotgun chambered for 3-inch loads. Always check your shotgun's manual or barrel marking to confirm it's rated for 3-inch shells, as some older .410s are limited to 2.5-inch ammunition only. Kent shells are known for reliable function across different shotgun types.




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