Small Pistol Primers 1,000/Box Brownells sku 749004532 MFR # WSP UPC 020892300057 Winchester primers give instant, hot ignition and are easy to seat into primer pockets. Preferred by many hunters and competitors for their ability to maintain stability in temperature and humidity extremes. SPECS: 1,000 primers per box. Hazardous Item Hazardous materials are subject to a special handling fee which will be reflected in your cart (1 fee per order). These items may have limited shipping options and requires a signature on delivery.