HomeAll ProductsModular Driven Technologies Buffer Tube A1/A2 Buffer Tube. One Piece Design. CNC Machined from 6061 Aluminum. Ultra Light weight 3.2 0z (91g) Made in Canada. Modular Driven Technologies Buffer TubeSKU: MDT-BTUBE$39.95PriceExcluding GST/HSTQuantity*Out of StockNotify When Available