I can 3d print any airsoft parts if you pay for the file and the fee i can print Skelton receivets handguards carbon fibre uppers ( u will need to buy the carbon fibre tube of amazon ) and airtac customs lower tank for aegs i can make all of or you aegs become lighter and speedsoft style
Checkout this profile on cults 3d and i can print any of those designs https://cults3d.com/en/users/SICKO3D/3d-models
And a model link https://cults3d.com/en/3d-model/game/airsoft-carbon-fiber-upper-receiver-aeg-hpa-m4-ar15
