Due to dimensional variations and manufacturing tolerances among different brands, minor fitting adjustments or modifications may be required when installing T-N.T. upgrade kits. For optimal performance, installation by users with basic DIY experience or a professional airsoft technician is recommended.
This product is compatible with MARUI-spec GBB buckings and barrels.
SHADOW-2 is a direct drop-in fit with no modification required. CZ75 SP-01 requires minor guide rod hole enlargement for installation. It is recommended for users with basic DIY skills or to have it installed by a professional.