SE Calgary shooters tool needed for castle nut

[Soon2Boost]

Good evening,

Wondering if anyone in SE Copperfield area has a armourer's tool for tightening a castle nut for a stock install?

I would only need it for a couple minutes and return immediately.

Thank you in advance,
Jordan

 

[fenceline]

For what type of gun?

 

[Soon2Boost]

AR platform.
Any help appreciated!