A 5 round .300 Winchester Magnum magazine for use in Howa 1500 & Remington 700s fitted with the ATI Legacy Sports detachable magazine baseplate.
Made from durable glass filled polymer the magazines are compatible with the following models:
- Howa 1500
- Remington 700
- Weatherby Vanguard
- Smith & Wesson M1500
- Marlin M1500