Barnes Triple-Shock X Bullets 30 Caliber (308 Diameter) 110 Grain Hollow Point Flat Base Lead-Free (50pk) Type_Bullet Seaters We don't know which Ruger

We don't know which Ruger model it fits neither what the screw is for

RSAF production began and variants introduced

Pedersoli Bullet Puller 44 -50 Cal with 5MA Female Thread

Remington Premier Ammunition offers the shooter and hunter one of the greatest varieties of premium bullet designs ever introduced

Barnes Triple-Shock X Bullets 30 Caliber (308 Diameter) 110 Grain Hollow Point Flat Base Lead-Free (50pk) Type_Bullet Seaters We don't know which RugerThese revolutionary bullets from Barnes are made of 100% copper and contain no lead. When the bullet expands, four razor sharp cutting petals are created, allowing the bullet to penetrate farther through tough bone and tissue. These bullets usually retain 100% of their original weight, making them a superb choice for hunting. Barnes recommends initially seating bullets 0. 050" off the lands. Best accuracy will be found from 0. 030" to 0. 070"