Last reviewed: 2026-04-19 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
Winchester PDX1 410 ammo combines plated BB shot with flat Defense Disc projectiles in a single 2-1/2″ shell, engineered for personal defense at hallway distances. Each round fires 12 BB pellets and 3 discs, creating a spread pattern that maximizes hit probability against threats at 7 to 15 yards. Winchester submitted this load to FBI protocol testing, measuring penetration, expansion, and reliability through standard barriers including heavy clothing and drywall. The result: a shotshell that penetrates 12 to 18 inches in calibrated gelatin while maintaining pattern cohesion.
Performance at a Glance
The PDX1 Defense Disc projectiles measure approximately 0.410 inches in diameter and weigh roughly 85 grains each. Combined with the 1/4-ounce payload of plated BB shot, the load produces moderate recoil suitable for shooters managing compact revolvers like the Taurus Judge or Smith & Wesson Governor. Roll-crimped black hulls feed reliably in both rifled and smooth-bore barrels. Nickel-plated brass resists corrosion in humid storage and chambers smoothly under stress.
| Spec | Value |
|---|---|
| Gauge | 410 Bore |
| Shell length | 2-1/2″ |
| Shot type | Lead Shot + Defense Discs |
| Shot size | BB |
| Shot weight | 1/4 oz |
| Number of pellets | 12 |
| Crimp | Roll |
| Primer | Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Barrel type | Rifled or Smooth Bore |
| Rounds/box | 20 |
| Intended use | Self Defense |
| Manufacturer | Winchester |
Pattern testing at 10 feet produced a 6-inch spread from a 3-inch barreled Judge, with all pellets and discs impacting within the 8-ring of an IDPA target. At 21 feet, the pattern opened to approximately 12 inches, suitable for center-mass hits on a man-sized silhouette. Verify point of impact with your specific firearm before carrying for defense. Shop the full Winchester 410 ammo inventory for training and hunting alternatives.
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.
- Treat every firearm as if it is loaded; never point the muzzle at anything you are not willing to destroy
- Verify current state and local laws regarding possession of handgun ammunition in your jurisdiction
- Lead shot produces airborne particulate during firing; wear eye and hearing protection and shoot in ventilated areas
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