Buttstock for a firearm, the buttstock comprising: - a housing comprising - a main housing part with a sliding guide for the axially adjustable mounting of the buttstock on a buttstock mount, in particular in the form of a buffer tube, of a receiver of the firearm, - a rear housing part, - a housing strut, wherein the housing strut extends between the main housing part and the rear housing part and wherein a clearance is formed between the housing strut, the main housing part and the rear housing part; - a locking bolt for axially fixing the buttstock on the buttstock mount, wherein a locking bolt mount for mounting the locking bolt is formed in the housing, wherein the locking bolt mount leads into the sliding guide, wherein the locking bolt is displaceable between a locking position, a displacing position and an open position; - an actuating lever, wherein the actuating lever has a cross pin mount in the form of a slot with a longitudinal extent and is fastened by means of a cross pin on the main housing part pivotably and displaceably along the longitudinal extent of the cross pin mount, wherein the actuating lever has extending from the cross pin mount a first lever arm, which is coupled to the locking bolt and serves for displacing the locking bolt between the locking position, the displacing position and the open position, wherein the actuating lever has extending from the cross pin mount a second lever arm, which has an actuating surface for actuation by a user, characterized in that the cross pin is arranged in the main housing part in a region above the clearance and in that the actuating surface is accessible from the clearance, wherein the cross pin is arranged closer to the rear housing part than the locking bolt, wherein the actuating lever is in a rearward position in the locking position and in the displacing position of the locking bolt and the actuating lever is in a forward position in the open position, wherein the actuating lever is closer to the rear housing part in the rearward position than in the forward position. - a housing comprising - a main housing part with a sliding guide for the axially adjustable mounting of the buttstock on a buttstock mount, in particular in the form of a buffer tube, of a receiver of the firearm, - a rear housing part, - a housing strut, wherein the housing strut extends between the main housing part and the rear housing part and wherein a clearance is formed between the housing strut, the main housing part and the rear housing part; - a main housing part with a sliding guide for the axially adjustable mounting of the buttstock on a buttstock mount, in particular in the form of a buffer tube, of a receiver of the firearm, - a rear housing part, - a housing strut, wherein the housing strut extends between the main housing part and the rear housing part and wherein a clearance is formed between the housing strut, the main housing part and the rear housing part; - a locking bolt for axially fixing the buttstock on the buttstock mount, wherein a locking bolt mount for mounting the locking bolt is formed in the housing, wherein the locking bolt mount leads into the sliding guide, wherein the locking bolt is displaceable between a locking position, a displacing position and an open position; - an actuating lever, wherein the actuating lever has a cross pin mount in the form of a slot with a longitudinal extent and is fastened by means of a cross pin on the main housing part pivotably and displaceably along the longitudinal extent of the cross pin mount, wherein the actuating lever has extending from the cross pin mount a first lever arm, which is coupled to the locking bolt and serves for displacing the locking bolt between the locking position, the displacing position and the open position, wherein the actuating lever has extending from the cross pin mount a second lever arm, which has an actuating surface for actuation by a user,