7 model

Free

Sombra SMG

Thingiverse

Free

Sterling SMG

Thingiverse

Free

Halo M7 SMG Customisable

Thingiverse

Free

R-99 SMG

Thingiverse

Free

Half life 2 SMG (with removable magazine and folding grip)

Thingiverse

Free

*IN WORKING* SMG_MW ver.0.6 (airsoft gun)

Thingiverse

Free

Mass Effect M-9 Tempest SMG

Thingiverse