.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 767 items that match your criteria.
Item   Title      Click Headers to Sort Quantity Bids Price Time Left
659077380
 
 
 
10 $539.99 84d 12h +
656343661
 
 
 
10 $1,179.99 75d 22h +
654006057
 
 
 
10 $539.99 68d 19h +
653037870
 
 
 
10 $1,072.78 65d 15h +
652238598
 
 
 
 
250 $1,141.21 63d +
652228163
 
 
 
 
250 $795.65 62d 23h +
652223190
 
 
 
 
40 $493.78 62d 23h +
652220554
 
 
 
 
160 $795.65 62d 23h +
652218391
 
 
 
 
50 $1,111.70 62d 23h +
651758616
 
 
 
 
30 $758.00 61d 17h +
651752040
 
 
 
 
70 $952.14 61d 17h +
651749783
 
 
 
 
130 $879.15 61d 16h +
651043181
 
 
 
 
60 $907.12 59d 1h +
651041484
 
 
 
 
80 $490.19 59d 1h +
651039154
 
 
 
 
50 $490.19 59d 1h +
650885935
 
 
 
 
290 $530.44 58d 16h +
650028837
 
 
 
 
220 $629.86 56d 4h +
650027201
 
 
 
 
250 $527.55 56d 3h +
650027134
 
 
 
 
180 $557.99 56d 3h +
650023899
 
 
 
 
250 $629.86 56d 3h +
650010615
 
 
 
 
50 $971.11 56d 1h +
649834133
 
 
 
 
80 $712.49 55d 16h +
649830370
 
 
 
 
50 $876.34 55d 16h +
649829787
 
 
 
 
160 $755.09 55d 16h +
649824178
 
 
 
 
250 $936.14 55d 15h +
659840277
 
 
 
10 $699.00 10d 18h +
658629446
 
 
 
10 $9,400.00 7d +
660992461
 
 
 
 
10 $239.99 6d 23h +
660962548
 
 
 
10 $1,250.00 6d 22h +
658477631
 
 
10 $700.00 6d 17h +
658459892
 
 
 
 
10 $1,099.98 6d 16h +
660582504
 
 
 
 
10 $1,410.00 5d 18h +
653038109
 
 
 
 
10 $375.00 5d 15h +
660513338
 
 
 
10 $1,150.00 5d 14h +
660286735
 
 
 
10 $299.00 5d +
660185410
 
 
10 $1,200.00 4d 20h +
657849855
 
 
 
 
10 $1,139.98 4d 16h +
660132442
 
 
 
 
10 $0.01 4d 16h +
660084932
 
 
13 $400.00 4d 14h +
659969279
 
 
 
10 $1,600.00 4d +
659936164
 
 
 
 
10 $149.99 3d 22h +
659936162
 
 
 
 
10 $169.99 3d 22h +
659936147
 
 
 
 
10 $149.99 3d 22h +
659863677
 
 
 
10 $779.00 3d 19h +
659674265
 
 
 
10 $700.00 3d 2h +
657218788
 
 
10 $695.00 3d +
659529392
 
 
10 $2,195.00 2d 20h +
659518471
 
 
 
 
11 $500.00 2d 19h +
660886357
 
 
 
 
10 $132.99 2d 18h +
659406810
 
 
 
10 $650.00 2d 14h +
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