The disclosure relates to a biopsy instrument comprising a handle (10) having a front portion (11), a rear portion (12), and at least one bridging portion (13, 13a, 13b) fixedly connecting the front portion (11) to the rear portion (12), the instrument further comprising an outer tubular rigid needle (20) having a distal end (21), intended to be inserted into tissue from which it is intended to retrieve a biopsy sample, and extending along a longitudinal direction (L) from the front portion (11) of the handle (10) to the distal end (21), and an inner drill member (30) being rotatably (R) and longitudinally slidably (S) arranged inside the outer tubular rigid needle (20), wherein the outer tubular rigid needle (20) is fixedly supported by the front portion (11).