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Winchester Double X 20 Gauge Ammo 3" 1 5/16 oz #4 Copper-Plated Lead Shot - STH2034
Rated 5 out of 5 across over 1 verified reviews and growing, with over 1 five-star and growing, this Winchester 20 gauge ammo pairs a copper-plated lead payload with a 1200 fps muzzle velocity for hunters who want a buffered, high-velocity shotshell from the Winchester ammo lineup. It is built as Double X turkey ammunition with Grex buffering to support pattern performance and pellet integrity.
Why Shooters Choose Winchester 20 Gauge
- Copper-Plated Lead Payload: Winchester states that the copper-plated lead shot helps minimize pellet deformation. That design supports more pellets on target and increased knock-down power.
- Grex Buffering: Grex buffering surrounds the shot column to help improve pattern performance. Winchester describes it as an upgrade over traditional loads across field distances.
- High-Velocity Design: This load has a verified muzzle velocity of 1200 fps. It is built around a high-velocity payload for turkey-focused use.
- Consistent Powder Blend: Winchester uses custom blended powders in this Double X load. The goal is shot-to-shot consistency at peak velocities.
- 20 Gauge Platform: This is 20 Gauge ammunition for shooters who prefer that gauge in the field. It offers a practical option in the Winchester 20 gauge lineup.
- Shotgun Components: The verified build uses a shotgun casing and shotgun primer. Those specs make it easy to confirm compatibility with the correct firearm chambering.
- Packaging Options: Available as a Box of 10 or Case of 100. The case option is useful for hunters who want extra shells for patterning and field preparation.
What is the muzzle velocity of this Winchester 20 gauge Copper-Plated Lead load?
The verified muzzle velocity is 1200 fps. Muzzle energy is not provided in the product data.
Is this Winchester ammo made with copper-plated lead shot?
Yes. The verified bullet material is Copper-Plated Lead, and Winchester states the plating helps minimize pellet deformation.
What does Grex buffering do in this load?
Grex buffering helps support pattern performance by cushioning the shot column. Winchester states that it improves pattern performance compared with traditional loads.
What is this 20 gauge ammo intended for?
Winchester identifies this Double X load as turkey ammunition. Its copper-plated lead shot, Grex buffering, and high-velocity payload are all features tied to that field use.
What are the case and primer types?
The verified case type is Shotgun Casing. The verified primer type is Shotgun Primer.
What packaging is available?
This load is listed as Box of 10 or Case of 100. The case option is a practical choice for shoppers planning to pattern their shotgun and keep extra field ammunition ready.
About Winchester 20 Gauge
This Winchester 20 gauge load uses copper-plated lead shot, a shotgun casing, and a shotgun primer. In shotshell design, copper plating is commonly used to help pellets resist deformation, while buffering helps protect the shot column as it moves through the barrel.
Winchester positions Double X as turkey ammunition, and this load follows that purpose with Grex buffering, a high-velocity payload, and a verified 1200 fps muzzle velocity. For hunters comparing 20 gauge ammo, the key appeal is the combination of copper-plated lead construction, pattern-focused buffering, and Winchester’s stated emphasis on consistent performance.
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Choose this Winchester load when you want 20 Gauge ammunition with copper-plated lead shot, Grex buffering, and a verified 1200 fps muzzle velocity. It fits naturally within the Winchester lineup for turkey-focused shotshell buyers, and the Case of 100 option makes it easy to shop bulk ammo for planned patterning and field preparation.
| Field | Details |
| MPN | STH2034 |
| UPC | 020892016903 |
| Manufacturer | Winchester |
| Platform | Shotgun |
| Ammo Application | Hunting |
| Ammo Type | Copper-Plated Lead |
| Caliber | 20 Gauge |
| Grain Weight | 1 5/16 oz |
| Quantity Per Package | Box of 10 / Case of 100 |
| Test Barrel Length | Not Provided |
| Muzzle Velocity | 1200 fps |
| Muzzle Energy | Not Provided |
| Ballistic Coefficient (G1) | Not Provided |
| Case Type | Shotgun Casing |
| Primer Type | Shotgun Primer |
| Corrosive | No |
| Reloadable | Yes |
| Lead Free | No |
| Staked Primer | No |
| Country of Origin | USA |
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