Designed to be worn over the shoulder (left or right side). Includes fully adjustable shoulder strap with HawkTex non-slip pad and quick-release waist strap. It holds six 223/M-16 mags, three in front, three in back, or four MP-5 9mm mags. Made with BlackHawk's new NyTaneon material. Great for keeping acessible in your car trunk or as an extra source of quick ammo. Note: Can also be worn in front for extra bullet protection or accelerated mag reloads.