Description
If you're running a 28 gauge and want more firepower than the standard 3/4 oz load without jumping to magnum shells, Rio's heavy field load is exactly what the gauge needed. At 1 oz of #7.5 shot, you get a noticeably denser pattern while the mild recoil stays one of the 28's main selling points. These shells run at 1200 fps, striking a practical balance between ballistics and shootability.
What Makes the Rio Heavy Field Load Different
The jump from 3/4 oz to 1 oz doesn't sound like much on paper, but it puts meaningful more pellets downrange. The #7.5 shot size is ideal for upland birds, especially pheasant, grouse, and quail. Rio engineers each component to work together – the primers and powders are matched with wads designed to deliver consistent patterns from load to load. You'll notice the tighter groupings right away, especially out past 30 yards where pattern density matters most.
Built for Field Days
These aren't delicate target rounds. The heavy brass keeps primers reliable even after sitting in a truck bed or game bag. Twenty-five rounds per box makes them practical for a full day hunting, and the 2.75-inch length cycles smoothly in any 28 gauge set up for standard or magnum shells. The lead shot patterns cleanly through most chokes without the fouling complaints that plagued earlier heavy 28 loads.
Rio's been building shotgun ammo for over a century and has production runs on multiple continents. The consistency you get in a box of these is backed by factories that understand upland hunting better than most ammunition makers. If you've been pushing a 28 gauge at longer distances and wanted more confidence in your pellet count, this load closes that gap without turning your gun into something it isn't.
Key Specifications
- Gauge: 28 Gauge
- Shell Length: 2.75"
- Shot Weight: 1 oz
- Shot Size: #7.5
- Muzzle Velocity: 1200 fps
- Rounds Per Box: 25
- Manufacturer: Rio Ammunition
- Model Number (MPN): RCHV2875
- UPC: 8435101621861
- Brass Type: Low Brass
- Application: Field/Upland Hunting
What’s Included
- 25 rounds of Rio 28 gauge 2.75" heavy field load shells with #7.5 shot
Frequently Asked Questions
How does the 1 oz Rio load compare to standard 3/4 oz 28 gauge shells?
The extra 1/4 oz means roughly 15-20% more pellets in your pattern. You'll notice tighter, denser patterns especially beyond 30 yards, making it easier to anchor birds at longer ranges while keeping recoil light compared to heavier 12 or 20 gauge loads. The tradeoff is a slightly snappier shot than the lightest 28 loads, though it stays comfortable for a day of hunting.
Will these cycle in all 28 gauge shotguns?
These 2.75-inch shells will function in any 28 gauge gun proofed for standard or magnum shells. They cycle reliably in over/unders, side-by-sides, and semi-automatics. If your gun is an older vintage model, verify it's proofed for 2.75-inch shells before shooting.
What game birds are best suited for #7.5 shot?
Number 7.5 shot is ideal for upland game including pheasant, grouse, quail, and woodcock at typical hunting ranges. It provides enough pellets for consistent patterns without the excessive spread you'd get from larger shot sizes in a small gauge.
Does Rio's heavy field load produce reliable ignition?
Rio uses matched primers and powders calibrated for consistent ignition. Most users report reliable firing, though like any ammunition, environmental factors and firearm condition matter. Store shells in a dry place and ensure your gun's firing pin and springs are in good shape.





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