JSB Exact 177 air rifle pellets are one of the most popular pellets within the target shooting community. The Exacts weigh 8.44 grain and are available in 4.50, 4.51, 4.52 and 4.53 head sizes. Each pellet is hand sorted to ensure they are all equal. If you do competition target shooting then you need to try the JSB Exact 177 pellets. 500 per tin.