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.
Compatible only with outer barrels featuring an inner diameter of 27.0mm.
Not compatible with factory tapered outer barrels.
Please verify your outer barrel dimensions and internal structure before purchase.
For best results, use with a high-precision inner barrel.