The .300 Winchester Magnum (also known as .300 Win Mag or .300 WM) (7.62×67mmB, 7.62x66BR) is a belted, bottlenecked magnum rifle cartridge that was introduced by the Winchester Repeating Arms Company in 1963. The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard rifle action.

At Sportsman's Warehouse, we offer a wide selection of rifles chambered in 300 Winchester Magnum, including Browning, Mossberg, Remington, and Christensen Arms. Order online or shop in-store at your local Sportsman's Warehouse for everyday low prices on top quality products.

The .300 WM is also a great round for going through media in order to hit the target. With the new heavier loads the .300 is very capable of extending well past 1000 meters reliably. One big criticism of the .300 WM is the amount of recoil that the round produces and how hard it …

Browse our 300 Winchester Magnum Firearms on BudsGunShop.com. Our everyday low prices making shopping for your Firearms quick and easy.

The .300 Win. Mag. is the most successful and popular of the Big .30's and the only one among the 10 best selling rifle cartridges. While most of the .300 Magnums are ballistically similar, far more factory loads are available for the Winchester version and only the .300 Win. Mag. is available in such a wide variety of rifles.

The tougher 150 grain Prohunter gives exceptional performance as an inexpensive, 300 yard light game load in the .300 WM. The GameKing tends to excel at ranges between 150 and 550 yards. Sierra’s 165 grain GameKing SBT and HPBT are stout bullets.

May 9, 2019 · Large and powerful, .300 Magnum cartridge family is popular and growing. But how many do we need? Americans have an infatuation with bullets of .308-inch diameter, and we love just about any cartridge that will launch them.

With a 30-caliber bullet and bullet velocities around 2,900 FPS the 300 Win Mag delivers incredible performance. We carry a wide selection of 300 Winchester Magnum rifles, including both right-handed and left-handed 300 Win Mag rifles. Shop 300 Win Mag Rifles at MidwayUSA!

Apr 19, 2016 · The 300 Win. Mag., center, is the perfect compromise between the 30-06 (left) and 300 RUM. At the other end, a sleek 180-grain bullet like Winchester’s Ballistic Silvertip or AccuBond CT will deliver more than 1,750 foot-pound of energy at 500 yards, more than the 30-30 delivers at 200 yards.