• AB Biller Replacement Speargun Muzzle for Metal Spearguns is a Factory Replacement for any Metal AB Biller Stainless Steel Spearguns
• It's recommended that you soak this muzzle in warm water before pressing on the barrel of the speargun to prevent any cracking
• This AB Biller Replacement Speargun Muzzle is a direct replacement for the following AB Biller Spearguns: AB Biller Stainless Steel Professional