B5 Systems is proud to reintroduce the venerable CAR15 buttstock. Perfect for both the retro and minimalist rifle enthusiast. Faithful to the original polymer design, featuring sharp checkering, fixed sling loop, and egress channel for cleaning. Constructed from modern Mil-Spec materials. Multiple Fixed Sling Points Aggressively Knurled Anti-slip Butt Plate Fits all Standard MIL-SPEC Size Receiver Extensions Weight: 4.2 oz Length: 6.21 in Width: 1.75 in Height: 4.25 in