【TR-NUB : Wider nub】
It is recommended for sniper rifles, because it has a wider pressing area, and the HOP lever of most bolt action sniper rifle are almost all configured with a wider version, but it still depends on the HOP chamber and inner barrel HOP window or another actual conditions to determine whether it is applicable.
There are 70 degrees and 80 degrees to choose from, you can choose different HOP nub with hardness according to the initial speed.
●Use with T-HOP/TR-HOP bucking.
●Material : silicone
●The HOP pressure dot in bucking can be more compliant with BB, that produces a more efficient upper rotation force and extends the effective range.