C Products AR-15 Magazine | 223/5.56x45mm | 30 rds | Black Aluminum | Orange Follower. C Products Defense is one of the select few magazine manufacturers to use the technology of fully automated robotic welding stations. This allows them to control and monitor automatically each magazine weld, ensuring that each weld is dimensionally correct. A computer printout is available from every shift to verify the quality. Any weld not meeting the load specifications is immediately rejected.