The invention relates to a barrel assembly (2) for a firearm (1). The barrel assembly (2) comprises:
- a barrel (3);
- a clamping device (17) for clamping the barrel (3), wherein the clamping device (17) has a first clamping jaw (19) and a second clamping jaw (20);
- an eccentric clamp (21) with a clamping lever (22) for clamping the clamping jaws in relation to one another.
A clearance (28) is formed in the second clamping jaw (20), and the first clamping jaw (19) has a clamping lever mount (29), wherein the clamping lever mount (29) reaches into the clearance (28), wherein the first clamping jaw (19) and the second clamping jaw (20) partially overlap, wherein the clamping lever (22) is mounted pivotably about the pivot axis (23) on the clamping lever mount (29) of the first clamping jaw (19) and wherein the second clamping jaw (20) has an abutment (27) for the butting of the butting surface (26), wherein the abutment (27) lies closer to the side of the second clamping jaw (20) than the pivot axis (23).