联邦弹药公司（Federal Ammunition ）在2024年底推出了一款全新的，甚至是疯魔的7mm步枪弹，叫7mm Backcuntry弹，此次SHOT2025上他们也力推自家的这款新弹，那么这究竟是一种怎样的步枪弹呢？为什么说疯魔呢？ 联邦7mm Backcountry弹 因为这种7mm Backcountry弹的膛压居然高达 ...

Ammo Review: Federal's New 7mm Backcountry Could Revolutionize Rifle Ammunition Federal just introduced a new rifle cartridge called the 7mm Backcountry. The company claims that it’s a high ...

The 7mm Backcountry, rolled out by Federal earlier this year, has generated more interest and controversy than any other cartridge introduction in recent memory. Its claim to fame is smoking fast ...

Add Outdoor Life (opens in a new tab) Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The 7mm Backcountry, ...

The Great American Outdoor Show features new hunting and fishing technologies. Federal's new 7mm Backcountry ammunition uses a steel alloy instead of brass, allowing for heavier loads and similar ...

The cartridge world has seen plenty of updates over the last two decades, most of them refinements or modernizations of older favorites. From the .300 PRC to the 6.8 Western, we’ve watched ...