Invalid pop up for 250 9.3x62 (engraved) harvests [4226]

[CatchU]

Bug Report
Game Mode: SP

Description:
When starting a hunt and loading the weapon, no matter which one, the pop up for 250 9.3x62 (engraved) harvests comes up.
The stats on the achievement page are not affected.
I do not 'own' this weapon but I 'own' the standard 9.3x62 with a little bit more than 250 harvests.
This occurs since the last update on Thursday.
Happend on Loggers Point as well as Bushrangers Run.

Steps to Reproduce:
Start a SP game and load your weapon.

OS & Version: Win7 Home 64bit latest updates.