Click to expand Tap to zoom E&C M4/M16 AEG Stock Buffer Tube by E&C Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $21.99 SKU MP250 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Features 6 position stock tube Compatible with standard M4 gearboxes (not quick change spring) Metal construction Weight: 0.155kgs