Click to expand Tap to zoom KWC PM Makarov CO2 Magazine Output Valve (Part #U3) by KWC Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $17.99 SKU KCB44DHN-U13 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart A replacement outlet / knocker valve for the KWC PM Makarov blowback pistol magazine.