i am unable to level up a gun in Call BO4

Call of Duty Black Ops 4 Support

i just pulled the SWAT RTF MK2 from a reserve crate but i am unable to level up the weapon in any way. i have played well over 10 games with it and i got about 20 kills in each game all from the gun. why am i unable to level up the gun

SaltedPeppers
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Posts: 2
Registered: ‎08-06-2019

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