DBST-ACEs AR-15 ARFX Skeleton Stock with Buffer Tube is the standard length original Skeleton Stock. It is lighter than a standard A2 stock but provides you with a high level of strength and durability. The ARFX has 4 sling positions and closed cell foam over tube that provides a comfortable cheek weld. This unit is the stock/buffer tube only and it does NOT include the buffer spring, or the buffer.Features :Buffer TubePrecision crafted,Length: 10";"Buffer spring, and buffer NOT included,