I have a Ar15 uppers in 7.62, it is a multi cal lower. The lower is a “ LETS GO BRANDON” PSA. This is all upgraded parts, trigger, charging handle, the list goes on. 20 rds through it. It has a couple 10 and 20 rd mags. If you have any questions please feel free to reach out. Text anytime. 407-797-8083 the black smudge is not on the gun itself