ShoppingClick for larger image 223 Buffer Tube Assembly Sale Price: $34.95 Regular Price: $47.95 You Save: $13.00 Quantity: (1) A2 Rifle Buttstock Extension Tube(1) Standard .223 Rifle Buttstock Buffer Spring(1) Standard Rifle Buffer Body AssemblyNote: Converting a carbine length gas system to use a A2 Rifle length buffer system may cause reliability issues.