Winchester has been in the Ammo business since 1873, and Winchester Shotgun Ammo has been on the market since 1886. Since then, they've been making ever-evolving Winchester 12-gauge shotgun shells in target loads, upland game loads, waterfowl loads, turkey loads, buckshot shotshells, rifled slugs, and sabot slugs.
Winchester Brand Ammo is made by the Olin Corporation, a U.S.-based company, and all Winchester 12-gauge ammunition is made in the USA.
An average box of 12-gauge ammo has 25 shotshells. A "flat" is 10 boxes or 250 shotshells (10 boxes of any other kind of ammo is usually called a "brick"). A case is 20 boxes or 500 shotshells.
However, certain specialty hunting loads, buckshot, and rifled slugs or sabot slugs may have only 5, 10, or 15 shotgun shells. This is because a shooter is not going to be using them in high volumes, like those used for upland game hunting and especially for target shooting like sporting clays. A flat is still 10 boxes so they may range between 50 to 150 shotshells. A case is still 20 boxes, so they may range between 100 and 300 shotshells.
Shop at OpticsPlanet for all of your Shotgun Ammo, including Winchester 12-Gauge Ammo! You can learn more in the Shotgun Ammo Guides put together by our own in-house experts and enthusiasts. Browse our In-Stock Ammo page to see what we have ready to ship today, it includes all of the calibers and gauges we currently have on hand.
Click here for answers to Ammo Buying Frequently Asked Questions, and for more information check out our State of the Ammunition Industry page.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
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Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Our customers have spoken – this is one of the best rated products in the Ammunition category! See more best rated Ammunition products
Our customers have spoken – this is one of the best rated products in the Ammunition category! See more best rated Ammunition products
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
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Our customers have spoken – this is one of the best rated products in the Ammunition category! See more best rated Ammunition products
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Get a $5 rebate when this product is purchased by December 31st, 2025 and the rebate form is postmarked by January 16th, 2026. Download the rebate form or see details
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Get a $5 rebate when this product is purchased by December 31st, 2025 and the rebate form is postmarked by January 16th, 2026. Download the rebate form or see details
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Get a $5 rebate when this product is purchased by December 31st, 2025 and the rebate form is postmarked by January 16th, 2026. Download the rebate form or see details
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Our customers have spoken – this is one of the best rated products in the Ammunition category! See more best rated Ammunition products
Get a $5 rebate when this product is purchased by December 31st, 2025 and the rebate form is postmarked by January 16th, 2026. Download the rebate form or see details
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Get a $5 rebate when this product is purchased by December 31st, 2025 and the rebate form is postmarked by January 16th, 2026. Download the rebate form or see details
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Get a $5 rebate when this product is purchased by December 31st, 2025 and the rebate form is postmarked by January 16th, 2026. Download the rebate form or see details
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Our customers have spoken – this is one of the best rated products in the Ammunition category! See more best rated Ammunition products
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Get a $5 rebate when this product is purchased by December 31st, 2025 and the rebate form is postmarked by January 16th, 2026. Download the rebate form or see details
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Get a $5 rebate when this product is purchased by December 31st, 2025 and the rebate form is postmarked by January 16th, 2026. Download the rebate form or see details
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Get a $5 rebate when this product is purchased by December 31st, 2025 and the rebate form is postmarked by January 16th, 2026. Download the rebate form or see details
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Our customers have spoken – this is one of the best rated products in the Ammunition category! See more best rated Ammunition products
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Get a $5 rebate when this product is purchased by December 31st, 2025 and the rebate form is postmarked by January 16th, 2026. Download the rebate form or see details
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Our customers have spoken – this is one of the best rated products in the Ammunition category! See more best rated Ammunition products
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Our customers have spoken – this is one of the best rated products in the Ammunition category! See more best rated Ammunition products
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Our customers have spoken – this is one of the best rated products in the Ammunition category! See more best rated Ammunition products
Our customers have spoken – this is one of the best rated products in the Ammunition category! See more best rated Ammunition products
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Our customers have spoken – this is one of the best rated products in the Ammunition category! See more best rated Ammunition products
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter the coupon for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Get a $5 rebate when this product is purchased by December 31st, 2025 and the rebate form is postmarked by January 16th, 2026. Download the rebate form or see details
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