GM17LR: 17 cal. caliber 12 Piece rifle cleaning kit. Includes: Custom GunMaster® case, hybrid multi-function handle, 33" pull rod, .17 cal brush, .17 cal. mop., 17 cal. slot tip, 25 cleaning patches, six piece bit set (2 phillips, two flat heads, one star and one hex). GM22LR: 22 cal. caliber 12 Piece rifle cleaning kit. Includes: Custom GunMaster® case , hybrid multi-function handle, 33" pull rod, one 22 cal brush, one 22 cal. mop., one 22 cal. slot tip, 25 cleaning patches, six piece bit set (2 phillips, two flat heads, one star and one hex). GM243LR: 243 cal. caliber 12 Piece rifle cleaning kit. Includes: Custom GunMaster® case, hybrid multi-function handle, 33" pull rod, one 243 cal brush , one 243 cal. mop., one 22 cal. slot tip, 25 cleaning patches, six piece bit (2 phillips, two flat heads, one star and one hex). GM7LR: 270/280/7mm 12 Piece rifle cleaning kit. includes: Custom GunMaster® case, hybrid multi-function handle, 33" pull rod, one 280 cal brush, one 280 cal. mop., one 22 cal. slot tip, 25 cleaning patches, six piece bit set (2 phillips, two flat heads, one star and one hex). GM30LR: 30 cal rifle 12 Piece cleaning kit. includes: Custom GunMaster® case, hybrid multi-function handle, 33" pull rod, one 30 cal brush, one 30 cal. mop., one 30 cal. slot tip, 25 cleaning patches, six piece bit set (2 phillips, two flat heads, one star and one hex).