T-N.T APS-X HOP-UP Retrofit Kit for VFC M4 series GBB (275mm S+)

T-N.T. STUDIO's improved HOP seat based on the VFC-M4 system, compared to the original method: use a 1.5mm Allen key to adjust the HOP-UP in the barrel. HOP rubber can be used with T-HOP rubber, TR-HOP rubber or H.L.R. rubber according to the type of BB ammunition used by individuals, and with S+ precision double inner diameter eclipse air cushion inner tube, the shooting performance is even more powerful, so that your favorite gun does not There is only a beautiful appearance, but also an amazing shooting performance!
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【T-HOP bucking】:
●Standard HOP-UP bucking.
●Suitable for use with medium-weight to heavier BBs.
●Medium ~ long-range shooting. 

Features :
●Revised the BB loading position to ensure that the loading position is consistent and the shooting performance is more stable.
●Adopt T-N.T. positioning pressure block design to avoid the displacement of the lower pressure block due to vibration; the lower pressure block is available in 70 degrees 
●Based on VFC-M4 system improvement,.

Content:

●T-N.T. - T-HOP bucking / VFC-M4 / 60° *1

●T-N.T. - S+ Double I/D Air-cushion inner barrel 275mm *1

●T-N.T. - VFC-M4 HOP chamber assembly *1