The popular product launched by T-N.T. STUDIO : VIPER-TECH AR GBB upgrade dual purpose HOP chamber, you can directly use the adjustment knob to quickly adjust the HOP-UP (type A), and if the player replaces some styles of handguards is not convenient for quick disassembly and assembly, the HOP adjustment method can be changed by replacing the type B : can be adjusted in upper receiver with a 1.5mm Allen key. HOP bucking can be used with T-HOP, TR-HOP or H.L.R. bucking according to individual needs, with S+ precision dual inner diameter eclipse air-cushion inner barrel, the shooting performance is even more better and better!!
【T-HOP bucking】: ●Standard HOP-UP bucking. ●Suitable for use with medium-weight to heavier BBs. ●Medium ~ long-range shooting. 【TR-HOP bucking】: ●Suitable for sniper rifle, use with heavier BBs. ●More wider HOP-UP contact area. ●Long-range shooting. 【H.L.R. bucking】: ●Suitable for use with heavier BBs. ●More accurate BB loading position. ●Medium ~ long-range shooting stability is better.
Features : ●The one-piece HOP chamber made by CNC is accurate and totally not shake, and the installation steps are simple and fast. ●Adopt T-N.T. positioning nub design to avoid the displacement due to vibration. Available in 70 degrees and 80 degrees. ●Dual-purpose HOP chamber: Adjustable knob (type A), or spring type (type B) is available. Players can choose the appropriate style to use according to the form of the handguard.
※If installed on the INOKATSU, it's necessary to replace with VIPER-TECH barrel extension for installation※
Support models: VIPER TECH / INOKATSU AR series GBBR.
※精密管材質：青銅，表面電鍍化學鎳。 ※Inner barrel material: bronze&electroplated chemical nickel.