For TM SOCOM Mk23 GBB
Length : 133mm
Inner Dia. : 6.01mm
Outer Dia. : 8.55mm
Material : Stainless steel (SUS304) ,made by cold hammering.
Internal DIa. tolerance : +-0.002mm
Processed the PALSONITE(Low temperature Soft-nitriding) to surface of stainless steel.
The Palsonite is used for Car Engine parts to get durability.
And it becomes black appearance as realistic.
This coating will bring a little improvement of FPS compared to original stainless steel.
This item has no package (label),we put it into the plastic pipe to protect any impacts.