DIANA 340 N-TEC | Mauser AM03 Full Power Piston with Piston Seal

Replacement piston with piston seal for DIANA 340 N-TEC & AM03 – Original partThe replacement piston with piston seal is the suitable original spare part for DIANA air rifles with N-TEC gas pressure system and is compatible with the following air rifles:DIANA 340 N_TEC Classic / PantherDIANA 340 N_TEC PremiumDIANA 340 N_TEC LuxusMauser AM03If your DIANA air rifle is losing power, shooting unevenly, or showing problems with compression, a worn piston or a leaky seal may be the cause. With the DIANA 340 N-TEC piston including pre-installed piston seal, you can restore the full functionality and shooting power of your air pressure weapon. The pre-installed piston seal ensures even pressure build-up, excellent energy transfer, and long-lasting performance.

Please note: Installation in air rifles with F-marking in Germany requires a permit. The modification may only be carried out if a corresponding firearms permit is available.