Ruler Scope Ring Screws: What Size Fits Your Mounting Blocks and Rifle Receiver?
Ruler scope ring screws generally come in sizes 6-40, 6-48, and 8-40. Their lengths often reach about 1/4 inch. Many bolt-action rifles, such as Remington and Winchester, use the 6-48 size for attaching scope bases. Choosing the right screws can improve reliability for your firearm setup. To determine the appropriate size for your setup, check … Read more