This is a Crosman Magazine chambered in 177BB, model DSFAM.
The Crosman DPMS SBR air rifle magazine is designed to work with .177 caliber BB's and has two CO2 cartridge refill ports. Note: CO2 Tanks are not included.
Features:
25-Round Capacity
Two CO2 Cartridge Refill Ports
Fits Crosman DPMS SBR Air Rifle