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12-Gauge Ammo for Sale – Buy 12-Gauge Ammo

Find the 12-gauge ammo you're looking for right here at GunBroker.com, the world's largest online auction site dedicated to firearms, hunting, shooting and accessories. We aim to provide you with all the necessary information you need to make the right 12-gauge ammo choice to go with shotguns from such manufacturers as Harrington and Mossberg.

12-Gauge Ammo Specifications

Twelve-gauge ammo is available in a variety of sizes, depending on its intended purpose. It comes in 2.75-inch, 3-inch, 3-inch magnum, and 3.5-inch magnum sizes. The ammo is also available in different loads. The first type of 12-gauge ammo load is the bird shot, a shot made up of dozens of tiny pellets for a wide spread capable of taking down birds in flight. Buck shot loads, intended for deer hunting, used in 12-gauge ammo use the same principle, however the pellets are larger. Buck shot is also commonly used by military and police as heavy-duty defense weapons.

12-Gauge Ammo History

The late 19th century was an important development period for the 12 gauge shotgun. Barrels were being redesigned, choke boring appeared, and external hammer double guns became hammerless. At the time, 10- and 12- gauge ammo were considered efficient all-around gauges. But by the 1890s, 12-gauge ammo began to solidify its place as the best option. According to Jack O’Connor’s "The Shotgun Book," 12-gauge ammo made up about 50 percent of the shotgun ammo market in the 1950s; 20-gauge and 16-gauge ammo had about 17 percent and 25 percent market share, respectively. As sales declined through the 1970s, manufacturers developed 3.5-inch shells, which carry 1.38 ounces of steel shot, to improve 12-gauge ammo’s capability as a waterfowl shell.

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Current 12-Gauge Ammo Listings

12 Gauge For Sale


There are 7350 items that match your criteria.
Item   TitleClick Headers to Sort Quantity Bids Price Time Left
632120472
 
 
 
 
10 $325.00 < 1m+
632120816
 
 
 
 
10 $899.00 17m +
632120886
 
 
 
 
10 $1,399.00 20m +
631526948
 
 
 
 
10 $2,795.00 21m +
632120951
 
 
 
 
10 $699.00 23m +
632121442
 
 
 
 
10 $1,499.99 35m +
632122366
 
 
 
 
10 $499.00 57m +
632122639
 
 
 
 
10 $1,599.00 1h 1m +
632122805
 
 
 
 
10 $699.00 1h 2m +
632125345
 
 
 
 
10 $499.00 1h 59m +
632125349
 
 
 
10 $200.00 1h 59m +
630527971
 
 
10 $148.00 2h 20m +
630530366
 
 
10 $445.96 2h 44m +
630534580
 
 
10 $398.00 3h 9m +
632129091
 
 
 
10 $999.99 3h 11m +
630534803
 
 
11 $248.00 3h 11m +
630535143
 
 
10 $1,000.00 3h 15m +
632130398
 
 
 
 
10 $1,498.00 3h 28m +
631551750
 
 
10 $1,599.99 3h 31m +
631551939
 
 
 
10 $1,469.99 3h 31m +
632130630
 
 
10 $319.99 3h 31m +
632131462
 
 
 
 
10 $709.95 3h 39m +
632131898
 
 
 
10 $375.00 3h 46m +
632132622
 
 
 
 
10 $0.01 3h 54m +
630538518
 
 
 
 
10 $1,199.99 3h 55m +
630540322
 
 
10 $1,800.00 4h 7m +
632135258
 
 
 
10 $529.99 4h 10m +
630541188
 
 
 
 
11 $1,100.00 4h 13m +
630541520
 
 
10 $1,495.00 4h 15m +
630544428
 
 
10 $1,200.00 4h 29m +
632139671
 
 
 
 
10 $377.88 4h 33m +
632140915
 
 
 
10 $369.99 4h 41m +
631026424
 
 
10 $5,500.00 4h 44m +
632142050
 
 
 
 
10 $305.26 4h 48m +
630549092
 
 
10 $1,995.00 4h 50m +
632142625
 
 
 
 
10 $379.99 4h 52m +
632142786
 
 
 
 
10 $305.26 4h 53m +
632143109
 
 
 
 
10 $335.78 4h 55m +
632143319
 
 
 
10 $399.00 4h 57m +
630554409
 
 
 
10 $549.00 5h +
630554434
 
 
 
10 $429.00 5h +
632144257
 
 
 
 
10 $323.15 5h 2m +
632150127
 
 
 
10 $169.99 5h 17m +
632150437
 
 
 
 
10 $220.00 5h 19m +
632150447
 
 
 
 
10 $220.00 5h 19m +
632150599
 
 
 
 
10 $220.00 5h 20m +
632150976
 
 
 
 
10 $715.00 5h 22m +
632151761
 
 
 
10 $449.99 5h 27m +
632152323
 
 
 
 
10 $217.14 5h 30m +
632152372
 
 
 
 
10 $217.14 5h 30m +
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