300 Blk Ammo [2023]

The 300 Blackout is potent, powerful versatile, and popular enough to give you a wide selection of rifles and purposes to choose from.

Lesser Known AR-15 Calibers

The following article and photos is from the fine folks of Primary Arms Content Marketing Team The AR 15, first developed by Eugene Stoner over half a century ago, has become one of the most widelyadopted and successful firearms in modern history. Most of the time, we see it in its standardchambering, .223 or 5.56mm […]

PRODUCT REVIEW: Three-In-One Rifle Magazine

The UNIMAG solves the need for multiple magazines   Review and photographs by Oleg Volk With the proliferation of AR15s and STANAG-compatible rifles, many of us end up having to keep numerous incompatible magazines on hand. For example, 6.8mm SPC and 338 Spectre require one type, 223 Remington, 300 Blackout and 458 SOCOM another, 7.62×39 […]