Fits 6-9 standard 50-round boxes of most handgun calibers or 20-round boxes of .223 REM (5.56 NATO) / (5) boxes of 20-gauge - 2.75" / (5) boxes of 20-gauge - 3" / (4) boxes of 12-gauge - 2.75" / (4) boxes of 12-gauge - 3" / (2) boxes of 12-gauge - 3.5"
