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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 6658 items that match your criteria.
Item   TitleClick Headers to Sort Quantity Bids Price Time Left
587911219
 
 
 
 
10 $699.00 < 1m+
587911250
 
 
 
 
10 $499.00 < 1m+
587912121
 
 
 
 
10 $1,499.99 8m +
587912568
 
 
 
 
10 $499.00 10m +
587912713
 
 
 
 
10 $149.00 11m +
587913048
 
 
 
 
10 $1,699.00 12m +
587913070
 
 
 
 
10 $1,398.00 12m +
587914239
 
 
 
 
10 $499.00 21m +
587914985
 
 
 
 
10 $1,599.00 25m +
587915140
 
 
 
 
10 $699.00 26m +
587915196
 
 
 
 
10 $1,648.00 26m +
587916301
 
 
 
 
10 $499.00 31m +
587916585
 
 
 
 
10 $999.00 32m +
587918122
 
 
 
 
10 $3,589.00 46m +
587921741
 
 
 
10 $200.00 1h 25m +
587922067
 
 
 
 
10 $499.00 1h 28m +
587938257
 
 
 
10 $69.95 4h 37m +
587941289
 
 
 
 
10 $999.00 5h 11m +
587942004
 
 
 
10 $969.99 5h 16m +
587943334
 
 
 
10 $999.99 5h 44m +
586556197
 
 
10 $1,495.00 5h 55m +
586557268
 
 
10 $600.00 6h 6m +
586557352
 
 
10 $1,200.00 6h 8m +
586558311
 
 
 
10 $449.00 6h 21m +
587946725
 
 
 
10 $999.99 6h 32m +
586559565
 
 
 
10 $549.00 6h 36m +
587947105
 
 
 
10 $1,069.00 6h 37m +
586560004
 
 
10 $550.00 6h 42m +
584892017
 
 
 
15 $1,100.00 6h 49m +
586561160
 
 
 
10 $425.00 6h 55m +
587948661
 
 
 
10 $124.00 6h 56m +
584892849
 
 
 
17 $1,200.00 6h 59m +
586562633
 
 
 
 
10 $1,040.00 7h 12m +
586562752
 
 
 
10 $349.00 7h 13m +
586563353
 
 
10 $3,500.00 7h 20m +
586566033
 
 
 
10 $389.00 7h 26m +
586575115
 
 
 
10 $460.00 7h 43m +
587963728
 
 
 
 
10 $2,399.00 7h 46m +
586083384
 
 
 
10 $1,250.00 7h 47m +
587964254
 
 
 
10 $479.95 7h 47m +
584909372
 
 
 
13 $900.00 7h 49m +
586584538
 
 
 
10 $399.00 8h 3m +
584919956
 
 
 
11 $1,200.00 8h 6m +
587478268
 
 
 
10 $459.00 8h 7m +
586586832
 
 
 
 
10 $1,400.00 8h 8m +
587975524
 
 
 
10 $1,149.95 8h 9m +
586590976
 
 
 
 
10 $275.00 8h 15m +
586596684
 
 
 
10 $565.00 8h 27m +
586599462
 
 
10 $2,500.00 8h 34m +
587996212
 
 
 
10 $69.95 8h 39m +
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