Click to expand Tap to zoom Umarex HK45 Co2 Airsoft Magazine - 15 Rounds - 2273029 by HK Sale $19.99 | / SKU 280312 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Specifications: Fits - Umarex HK45 Co2 Pistol - 2273028 Capacity - 15 Rounds Gas Operation - Co2