14.00 Pending: .410 Gauge Winchester HP Rifled Slug Shells Ammo Ottawa Apr 23, 2024 - 3:39 PM [email protected] Pending pickup: I have 3 boxes of new .410 gauge shotgun shells. They are boxes of 5, Winchester 2.5 inch Hollow Point Rifled Slugs, with a muzzle velocity of 1830 feet per second.