Replacement barrel grub screws for the SMK PR900 Gen 2 air rifle.
This rifle has been branded with the following different names:
– PR900 Gen 2 / PR900Gen2
– PR900W Gen 2 / PR900WGen2
– PR900S Gen 2 / PR900SGen2
– PR900R

If your rifle is not branded “Gen2” or “R” and you have a PR900 or PR900W please see here for parts.

Allen key / Hex wrench for this screw is available here.