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Upgradeable to Rip-Clip Loader and Electronic Grip Frame
stainless steel gas line and quick release feeder elbow
the same old upgrades
Simply tap the power button and cycle through the options (Drill Modes
and far less recoil
TechT BT TM7/TM15 MRT Upgrade Bolt Spring Shotgun Upgradeable to Rip-Clip Loader andLike all of TechT's bolts, the TM7 and TM15 MRT bolts have been through rigorous R&D and field testing. This testing guided the bolt to what is now the MRT. Initial prototypes saw the removal of the "cup seal" on the front of the stock bolt. After testing various other o rings and seals, TechT decided that the MRT needed this cup seal on the front of the bolt for the best performance. The removal of this cup seal, like on other competitors' bolts,
