Click to expand Tap to zoom Raven Evolution PDW Buffer Tube Extension by Raven Evolution Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $9.99 SKU RAV-PDW-BUFFER-EX 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Dimensions: 5.5'' / 140mm Compatibility: Raven Evolution PDW SeriesMaterial: Aluminium Alloy