AI AX tool thing

[hjAICS300]

Hi guys,

I need some help, I lost the Allen wrench that's under the cheek rest of AX or AXMC rifle. Anyone know where I can get one? Or the size of it so I can get at a local hardware store? Thanks

 

[0724/1030]

 

[hjAICS300]

Bingo , 4mm hex key. Thank you