Patent ID: 7162822

Claim:
A buttstock for a firearm having a buffer recoil mechanism, the buttstock comprising: a lower receiver extension having a bore therein that fits over the buffer recoil mechanism, the lower receiver extension being fixed to the buffer recoil mechanism; a buttstock body including a bore therein for receiving the lower receiver extension, a cheek rest located above the bore in the buttstock body, a generally planar rear surface and a bottom edge, the buttstock body and lower receiver extension being axially movable with respect to each other by movement of the lower receiver extension in the buttstock body bore, the buttstock body including a generally vertical through-hole; a locking lever disposed along the bottom edge of the buttstock body, the locking lever including a hole therein in alignment with the through-hole in the buttstock body; a locking pin disposed in the through-hole in the buttstock body and in the hole in the locking lever; a fastener attached to a bottom of the locking pin; and a compression spring disposed around the locking pin for biasing the locking pin towards the lower receiver extension.