The Thompson Center® 209 U-View™ 209 Capper is the ultimate tool for shooters using modern inline 209 primer ignition rifles. The see-thru U-View™ is designed specifically for use with Strike-Fire or Scoped Rifles. The cappers rectangular tube eliminates problems with tipped and jammed caps, and the see thru design allows quick visual inspection of your cap reserves. The U View™ capper is smartly spring-loaded and has a capacity of (8) 209 shotshell primers, which makes for quick, easy loading in the field or at the range.