USED Midwest Industries Stock Tube With Buffer Tube Adaptor Black MI-STAP-BT. Midwest Industries built these Rifle Stocks from Type III hard coat anodized 6061 aluminum for durability in any application and the snag-free design ensures you can use it in any conditions. Installation of the Midwest Industries MI Stock Tube w/ Buffer Tube Adaptor Picatinny is incredibly easy and these devices fit into any standard Picatinny rail. Upgrade your rifle build with a Midwest Industries MI Stock Tube w/ Buffer Tube Adapter Picatinny to create a stronger more compact shooting experience. Specifications for Midwest Industries Stock Tube With Buffer Tube Adaptor: Manufacturer: Midwest Industries Color: Black Gun Model: AR-15 Fabric/Material: Aluminum Finish: Type III Hard Coat Anodized Country of Origin: USA Package Contents: Midwest Industries Mi Stock Tube With Buffer Tube Adapter Picatinny What firearm models does the manufacturer say Midwest Industries Stock Tube With Buffer Tube Adaptor is compatible with? The manufacturer says that Midwest Industries Stock Tube With Buffer Tube Adaptor is compatible with AR-15Midwest Industries Mi Stock Tube With Buffer Tube Adapter Picatinny