There is no fix. You must train with the weight or add a vertical grip to manage the muzzle dive.
The BP-12 comes with a wrench and several choke tubes. However, owners frequently report: centurion bp-12 problems
Make sure to regularly maintain the gun by cleaning and lubricating it to prevent wear and tear. There is no fix
The ambidextrous safety is gritty, stiff, or completely non-functional out of the box. More critically, users report the safety engaging itself under recoil. centurion bp-12 problems
The trigger pull is often described as “mushy,” “gritty,” or excessively heavy (8-10 lbs). More seriously, some owners report a “dead trigger” where the trigger resets but does not engage the hammer.
To troubleshoot: