.300 WSM for Sale – Buy .300 WSMs

Find the .300 WSM ammo and firearms 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 an informed .300 WSM purchase. Explore the history, ballistics, and technical specifications of .300 WSM ammo, then browse the listings of our trusted sellers to make your purchase.

.300 WSM History & Ballistics

.300 WSM, or 300 Winchester Short Magnum, is a centerfire short-magnum cartridge developed by Winchester in 2001 in order to fit more powder in closer proximity to the primer’s flash hole. The performance of the .300 WSM is similar to that of its older counterpart, the .300 Winchester Magnum, but the .300 WSM requires a lighter rifle and shorter action.

The long range and flat trajectory of .300 WSM rounds make them popular ammo for hunting elk, mule deer, whitetail, and similar game.

.300 WSM Specifications

A .300 WSM bullet’s diameter is .308 inches (7.62 mm), extending to the neck (.344 inches, 8.7 mm) and to the base (.555 inches, 14.1 mm) and rim (.535 inches, 13.6 mm). The case is 2.100 inches (53.3 mm) long, 2.860 inches (72.6 mm) in overall length. The rifling twist is 1:10. The primer is a large rifle magnum variety.

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We hope you've found this information on .300 WSM ammo helpful and informative. If you had trouble finding the exact .300 WSM ammo you were looking for, be sure to check back again soon. Auctions and listings are always being added and updated.

Don't stop there; we've got plenty more to offer. We're the Internet's largest auction retailer of guns for a reason, after all. Check out our wide selection of Rifle Scopes to go with your .300 WSM ammo and firearms. Or take a look at the listings for comparable firearms and ammo from Winchester to see what else is available.

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300 WSM For Sale


There are 962 items that match your criteria.
Item   Title      Click Headers to Sort Quantity Bids Price Time Left
680653254
 
 
 
 
70 $772.55 82d 20h +
680653236
 
 
 
 
60 $772.55 82d 20h +
680653146
 
 
 
 
50 $475.82 82d 20h +
680645496
 
 
 
 
180 $428.93 82d 19h +
680315907
 
 
 
 
160 $478.80 82d 2h +
680304997
 
 
 
 
100 $639.53 82d 1h +
680266715
 
 
 
 
60 $1,154.06 81d 23h +
680266666
 
 
 
 
60 $857.32 81d 23h +
680266333
 
 
 
 
50 $751.35 81d 23h +
680265769
 
 
 
 
100 $528.80 81d 23h +
680265686
 
 
 
 
100 $1,159.79 81d 23h +
680264929
 
 
 
 
70 $579.99 81d 23h +
680264663
 
 
 
 
70 $861.59 81d 23h +
680263721
 
 
 
 
130 $475.82 81d 23h +
680262645
 
 
 
 
90 $929.99 81d 23h +
659077380
 
 
 
10 $539.99 32d 19h +
656343661
 
 
 
10 $1,179.99 24d 5h +
680315370
 
 
 
 
100 $958.71 22d 2h +
679352153
 
 
 
 
10 $875.00 19d 23h +
654006057
 
 
 
10 $539.99 17d 3h +
678031759
 
 
 
 
10 $375.00 16d 21h +
653037870
 
 
 
10 $1,072.78 13d 22h +
682917266
 
 
 
10 $599.99 11d 22h +
682640025
 
 
 
10 $9,400.00 11d 7h +
652238598
 
 
 
 
250 $1,141.21 11d 7h +
667749096
 
 
 
 
240 $795.65 11d 7h +
652223190
 
 
 
 
10 $493.78 11d 7h +
652220554
 
 
 
 
160 $795.65 11d 7h +
652218391
 
 
 
 
50 $1,111.70 11d 6h +
682445040
 
 
 
 
10 $1,099.98 10d 23h +
651758616
 
 
 
 
30 $758.00 10d +
651752040
 
 
 
 
60 $952.14 10d +
651749783
 
 
 
 
90 $879.15 10d +
681091980
 
 
 
 
10 $479.99 7d 20h +
651043181
 
 
 
 
40 $907.12 7d 9h +
651041484
 
 
 
 
60 $490.19 7d 9h +
651039154
 
 
 
 
50 $490.19 7d 8h +
682610677
 
 
 
 
12 $600.00 7d 6h +
680735780
 
 
 
110 $321.88 7d +
650885935
 
 
 
 
290 $530.44 6d 23h +
683767680
 
 
 
10 $650.00 6d 22h +
683621817
 
 
 
10 $0.01 6d 9h +
683471427
 
 
 
10 $899.00 6d 4h +
683099789
 
 
 
 
10 $519.99 5d 6h +
650028837
 
 
 
 
170 $629.86 4d 11h +
682698685
 
 
 
 
220 $527.55 4d 11h +
650027134
 
 
 
 
230 $557.99 4d 11h +
650023899
 
 
 
 
250 $629.86 4d 10h +
650010615
 
 
 
 
50 $971.11 4d 9h +
683558428
 
 
10 $1,100.00 4d 7h +
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