Luth-AR MBA-2 Skullaton Stock with Std 308 Kit Black. Luth-AR built these AR15 Stocks from durable lightweight glass-filled nylon and they fit .223 and .308 AR-style firearms. This Luth-AR MBA-2 Skullaton Stock Assembly is a fixed stock and is incredibly easy to install on your own since the castle nut and locking ring or integrated into the design. If you're seeking a configurable stock that fits your personal needs and assists with shot control pick up the Luth-AR MBA-2 Skullaton Modular Buttstock Assembly (MBA). Specifications for Luth-AR MBA-2 Skullaton Stock Assembly: Manufacturer: Luth-AR Number of Sling Points: 2 Gun Model: AR-10 AR-15 Additional Features: A2 Rifle Buffer Tube Length: 10 3/8 in 10.375 in 10 3/8 in Condition: New Gun Make: AR Platform Gun Type: Rifle Weight: 11.2 oz Fabric/Material: Super Strong Glass Filled Nylon Features of Luth-AR MBA-2 Skullaton Stock Assembly 0.7 lbs Buttstock for the AR Easy to add our Cheek Piece: Cheek piece will add an additional 1? height on cheek rest Easy to add our Butt Plate Assembly or 3-Axis Butt Plate Assembly: The assemblies will add an additional 1 1/16? length of pull with extended length buttplate Interchangeable with standard A2 or A1 buttstocks or any aftermarket buttstock with overall length of approximately 10.5? NOT interchangeable with carbine/collapsable rifles with telescoping assemblies (6-position tubes). You will need to purchase a MBA-3 or MBA-4 to fit these carbine tubes Package Contents: Luth-AR MBA-2 Skullaton Stock Assembly What firearm models does the manufacturer say Luth-AR MBA-2 Skullaton Stock Assembly is compatible with? The manufacturer suggests that Luth-AR MBA-2 Skullaton Stock Assembly is compatible with AR-15 AR-10Luth-AR MBA-2K308: MBA-2 Skullaton Stock with Std 308 Kit Black