This magazine is a staggered box magazine with a formed steel body and feed lips. It also has a polymer base plate and shoulder. The mag is compatible with your Browning A-Bolt original and A-Bolt II rifles. *Note- This magazine is NOT compatible with AB3 rifle.
Specifications:

Caliber	300 Winchester Short Magnum
Capacity	3 rd
Finish	Black
Model
Material	Steel
Type	Detachable
Model Fit	A-Bolt
Brand Fit	Browning
Max Capacity	3