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Airsoft Barrel 3D Printable Models
Silverback SRS/TAC41 10 cm barrel extension thread
MakerWorld
CUL 3DP
One Piece 224mm Airsoft AEG Outer Barrel M4/AR15
Thingiverse
tgudge
Erector Q Style Airsoft Suppressor (Tool ONLY)
Thangs
AirsoftPrototech