OTS Gun System v1.3

Roblox recently released the "Adaptive Animation" update which broke existing R15 animations across many games. If your aiming and weapon holding animations are broken after this update, follow these steps to fix them:

Step 1: Disable Retargeting in Workspace​

1. Open your game in Roblox Studio
2. In the Explorer window, right-click on Workspace
3. Open the Properties window (if you don't see it: View → Properties)
4. Find the Retargeting property (under Behavior section)
5. Change it from default to Disabled
6. Save your game

Step 2: Disable Avatar Joint Upgrade​

1. In the Explorer window, click on StarterPlayer
2. Open the Properties window
3. Find the AvatarJointUpgrade property
4. Change it from default to Disabled
5. Save and publish your game
   
   You're done!