This is a Mossberg factory replacement magazine for the Standard short-action rifles. Durable polymer construction ensures years of trouble-free service.  The Standard short action is compatible with the Mossberg Patriot and 4x4 bolt-action rifles. 

Calibers: 22-250 Rem/6.5 Creedmoor, .243 Win, 7mm-08 Rem, and .308 Win

Capacity: 5 Rounds

Finish: Black 

Material: Polymer

Fits: Patriot, 4x4 models, & Trophy Hunter II