Replacement grub screw for the Hadron Airsoft Designs TDC family.
M4 x 3mm Length FLAT POINT Stainless steel
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Great spare for the toolkit
Très bonne vis
There's not really a huge amount to say about this. It's a grub screw designed to fit the hop cover for a Mk23 and it does the job perfectly
Always need an extra one well worth back up