Luth-AR MBA-3 Stock Assy. with Mil-Spec .223 Kit Black. Luth-AR designed each of these AR15 Stocks with a Picatinny rail on the bottom rear for the attachment of your favorite accessories that will enhance your precision and overall shooting experience. The extra-strength glass-filled nylon construction of the Luth-AR MBA-3 Carbine Stock Assembly makes it one of the lightest on the market while still offering uncompromising durability for any use. Length-of-pull height and cheek rise are all adjustable to make your firearm finally feel like it's truly yours. Plus there's even sling attachment points so that you can comfortably carry your firearm however you'd like. Unlike other buttstocks this assembly won't make that annoying rattling noise thanks to the included flat bottom index screw. Advance your rifle build with the ergonomic and cost-effective Luth-AR MBA-3 Modular Buttstock Assembly. Specifications for Luth-AR MBA-3 Carbine Buttstock: Manufacturer: Luth-AR Gun Type: Carbine Weight: 18.5 oz Length: 8.75 in Condition: New Gun Make: AR Platform Fabric/Material: 6061-T6 Aluminum Features of Luth-AR MBA-3 Carbine Buttstock Ergonomic Design Adapts To Existing Commercial and Mil-Spec Buffer Tubes Certain after Market Commercial Buffer Tubes that exceed 1.172? diameter may not fit The MBA-3 and MBA-4 are available in Black or Flat Dark Earth The vertical struts for the MBA-3 are fixed therefore the cheek piece is not reversible like the MBA-1 however the cheek piece itself is designed with a cheek pad for left-handed use Caution: the MBA-3 and MBA-4 Carbine buttstocks are not designed to be used with Large Bore Calibers such as .338 Lapua or .50 BMG applications. See our MBA-1 and MBA-2 Rifle buttstocks as alternatives. The MBA-3 Carbine buttstock is NOT interchangeable with A2 standard buffer tube. You will need to purchase a MBA-1 or MBA-2 Rifle buttstock to fit A2 tubes Package Contents: Luth-AR MBA-3 Carbine Buttstock What firearm models does the manufacturer say Luth-AR MBA-3 Carbine Buttstock is compatible with? The manufacturer suggests that Luth-AR MBA-3 Carbine Buttstock is compatible with AR-15 AR-10Luth-AR MBA-3K-M: MBA-3 Stock Assy. with Mil-Spec .223 Kit Black