4 positions Centered QD sling mount (360° rotatable) on stock housing QD sling mounts (360° rotatable) and loops (30 mm) on both sides of buttstock plate for fully ambidextrous use Guide rods and actuating buttons made of high-strenght steel with ultra durable Tenifer QPQ coating Stock housing and buttstock plate made of AL6061-T6, hard annodiced Extended ergonomic polymer cheek rest Rapid deployment Easy assembly Lenght: 158 mm (closed) to 245 mm (extended) Weight included buffer and buffer spring: 660 g Passar bara AR15 .223REM