INTRODUCTION OF T-N.T. UPGRADE KITS / SW 98K
【T-N.T. APS-X HOP-UP SYSTEM】
SW Kar98K FULL HOP-UP RETROFIT KIT / INTERNAL UPGRADE KIT
※This kit only supports the old version SW Kar98K, not suitable for S&T Kar98K Another Ver.※
Features :
●SW Kar98K upgrade HOP chamber (for old ver. Kar98K)
Aluminum CNC one-piece HOP chamber, full-covered HOP bucking design, more better air-seal. HOP lever joined T-N.T. original HOP positioning nub design, enlarged HOP pressure area, standard using TR-HOP VSR bucking and S+ precision dual inner diameter eclipse air-cushion inner barrel, the shooting performance is greatly improved!!
●SW Kar98K internal upgrade kit
Effort-saving springs / Aluminum lightweight pistons / Steel spring guide / Steel cylinder heads / Steel correct angle sear / Steel spring guide stopper, improve the strength and service life of each component.