Sig Sauer Airguns AMPCBBP320XCA P320 Airgun XCarry 177BB Black Polymer
http://www.tandktactical.com/shop/798681691685-sig-sauer-airguns-ampcbbp320xca-p320-airgun-xcarry-177bb-black-polymer-44773
http://www.tandktactical.com/web/image/product.template/44773/image_1920?unique=9fb9c40
21-round magazine for the P320-XCARRY Airgun
