No more scratched cases, battered bullet noses, or fumbling around trying to load your bolt action rifle one round at a time. Simply insert the Bench Rest Follower in your magazine on top of the factory follower and spring. No gunsmithing required. It serves as a tray to hold the cartridge directly in line with the chamber for smooth, trouble free loading. Perfect for any serious target, varmint or silhouette shooter. Machined from lightweight 6061-T6 aluminum. Note: Fits all Ruger model 77 MK II chambered for the short cartridges with standard case heads such as 220 Swift, 243 Win, and 308 Win