Hogue AR-15/M-16 OverMolded Fixed Buttstock - Fits A2 Buffer Tube Purple. With a slim profile rubber cheek rest and multiple sling mounting positions this stock does not require a castle nut installation. Reinforced Polymer Construction. Multiple Swivel Sleeve & Sling Mounting Positions. Snag-free rubber/polymer hybrid butt pad. Specifications for Hogue AR-15/M16 OverMolded Fixed Buttstock for A2 Buffer Tubes: Manufacturer: Hogue Gun Model: M16 AR-15 Length: 10.5 in Condition: New Gun Make: AR Platform Gun Type: Rifle Weight: 11.1 oz Features of Hogue AR-15/M16 OverMolded Fixed Buttstock for A2 Buffer Tubes: Perfect compatibility with Hogue OverMolded grips and forends Light-weight skeletonized reinforced polymer construction Anti-rattle and beard-safe design Polymer cap provides snag-free shouldering Rubber/polymer hybrid butt pad cushions recoil Multiple swivel sleeve and sling mounting positions Package Contents: Hogue AR-15/M-16 OverMolded Fixed Buttstock for A2 Buffer Tubes What firearm models does the manufacturer say Hogue AR-15/M16 OverMolded Fixed Buttstock for A2 Buffer Tubes is compatible with? The manufacturer says that Hogue AR-15/M16 OverMolded Fixed Buttstock for A2 Buffer Tubes is compatible with AR-15 M16AR-15/M-16 OverMolded Fixed Buttstock - Fits A2 Buffer Tube - Purple Rubber