Mastiff Shotgun firing on its own

Product: Apex Legends
Platform:PC
Please specify your platform model. PC
AMD or Nvidia Model Number GeForce GTX 970
Enter RAM memory size in GB 8GB
What is your gamertag/PSN ID/EA Account name? AlwaysOW
Please provide your squad mates' gamertag/PSN ID/EA Account name if possible. Ritvik157, Ritivk
Which Legend were you playing (if applicable)? Lifeline
Which Legends were your squad mates using (if applicable)? Bloodhound, Wraith
Where did the issue occur? In a match
Which part of the map or menu were you in? If you don't remember the exact name, please describe the area or what you were trying to do in the menu. Artillery
What were you doing when the issue occurred? E.g. respawning a squad mate at a beacon, using an ability, a squad mate left the game. Fighting the Final squad.
Did your squad mates also experience the issue? No
How many matches had you played in a row before the issue occurred? 4-6
When did this happen? (dd.mm.yy hh:mm) 03/11/19, Timezone CDT/CST
How often does the bug occur? Rarely (0% - 9%)
How severe is your issue? Minor impact to gameplay
What happens when the bug occurs? The Care-Drop weapon 'Mastiff' will autofire as soon as reloading of any amount of ammo is complete without clicking any button to fire.
What should be happening instead? The weapon should fully reload and not auto-fire
Steps: How can we find the bug ourselves? I slid down a ramp in an Artillery Bunker, and the weapon fired itself, It did not happen with my Triple Take, only with the Mastiff.

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Sorry for the audio, it plays before the in-game events for they happen in the clip. Certain parts of the clip may be laggy, especially when the glitch mainly occurs.

https://www.youtube.com/watch?v=tuUW460K-B4&feature=youtu.be