Click to expand Tap to zoom KWA LM4 Magazine Base Seal Gasket by KWA Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $9.99 SKU 199-3001-MG010 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This rubber magazine base seal fits the Magpul LM4 PTS magazine and appear on its diagram as part 10.