Description
If you hunt pheasants with a 20 gauge, you want ammo that patterns tight and hits hard when it matters. Winchester Super Pheasant Diamond Grade delivers both with engineered precision that keeps patterns dense enough to bag roosters cleanly at reasonable field distances.
The core of this load is Winchester's attention to shot quality. The copper-plated lead with 8% antimony hardness resists deformation as the pellets travel down the barrel and through the air. This means less flattened, tumbling pellets in your pattern and more energy downrange where you need it. At 1300 feet per second, you're getting solid velocity without excessive recoil in a 20 gauge platform.
Why Diamond Grade Shot Matters
The antimony content is the real difference here. Higher antimony makes the lead harder, which keeps each pellet rounder and more consistent as it leaves the muzzle. That roundness translates directly to better patterns. When you're sorting through cover or pointing birds are flushing at awkward angles, a tight pattern gives you a wider window to connect. The copper plating adds another layer by preventing pellets from sticking together or deforming from friction with neighboring shot in the load.
Built for Early and Late Season
Since this is a 2.75-inch shell with one ounce of #5 shot at 1300 FPS, it's versatile enough for early season birds over a dog and capable enough for mid-season roosters when you're willing to pick your shots carefully. The #5 pellet size strikes a balance that upland hunters have relied on for decades, offering enough individual pellet energy while still delivering a reasonable pellet count for pattern density. Whether you're hunting irrigated fields in the early weeks or pushing through thick cover later on, this load will handle the work.
Wad Design and Consistency
Winchester engineered the wads in these shells specifically to support the tight patterns this ammo is known for. Quality wad construction keeps pellets flying together longer, spreading less at the distance where most upland shots happen. Each box contains 25 rounds of consistent, reliable ammunition you can load into your gun with confidence.
Key Specifications
- Gauge: 20 Gauge
- Shell Length: 2.75 inches
- Shot Size: #5
- Shot Weight: 1 ounce
- Shot Type: Copper-Plated Lead
- Antimony Content: 8%
- Muzzle Velocity: 1300 feet per second
- Rounds per Box: 25
- Application: Upland Game Hunting
- Manufacturer: Winchester
- Manufacturer Part Number: SPDG205
- UPC: 020892027169
What’s Included
- 1 box containing 25 rounds of Winchester Super Pheasant Diamond Grade 20 gauge ammunition
Frequently Asked Questions
Is the Winchester Super Pheasant Diamond Grade 20 gauge good for hunting wild pheasants?
Yes, this load is designed specifically for pheasant hunting. The 1 ounce of #5 shot at 1300 FPS provides a good balance of pattern density and individual pellet energy. It works well for early to mid-season birds when you can pick your shots carefully and keep ranges reasonable. Later in the season when birds are wilder and flush farther out, you may want to step up to a 3-inch magnum load if your gun is chambered for it.
What does 8% antimony in the lead shot do?
Antimony hardens the lead, which keeps each pellet rounder and more uniform as it travels. Harder pellets resist deformation from barrel friction and don't flatten as easily, which means better pattern density and more consistent shot placement downrange. Combined with the copper plating, this helps maintain tight patterns that many upland hunters rely on.
How does this ammunition compare to standard Winchester Super Pheasant loads?
The Diamond Grade designation refers to the use of premium copper-plated, high-antimony lead shot specifically engineered for tighter patterns and better consistency. Standard Super Pheasant loads work fine, but the Diamond Grade version offers more pattern density and a higher-quality shot charge if pattern performance is your priority.
What choke should I use with Winchester Super Pheasant Diamond Grade 20 gauge shells?
Improved Cylinder to Modified chokes generally work well with this load. Improved Cylinder gives you a good spread for close work over dogs, while Modified chokes help concentrate the pattern for 30 to 40-yard shots. Pattern your specific gun to see how it performs, as individual shotgun choke and barrel combinations can vary.





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