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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Cold bore shot
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<blockquote data-quote="RDM416" data-source="post: 407120" data-attributes="member: 3745"><p>Texan79,</p><p></p><p>You are correct, NF does call for 15 in/lbs. I typically go a little high on most of my scope and base mounting torque numbers and just spouted off the top of my head the values I use. I don't think you are likely to damage most scopes or mounts with the 25 to 30 in/lbs torque, but I should have thought and looked up what some of the various mfs call for. </p><p></p><p>I have a variety of actions, customs..... Nesika and others, remmy's and Wby's...... Most have Badger rails, one NF and one Ken Farrel. I use Badger, NF or MK4 steel rings. I have several NF scopes along with a couple of Swaro PH's, both have much thicker tubes than the typical scope. </p><p></p><p>I shoot some intense rounds, 338 Kahn, 338 RUM, 338 Edge, 510 Allen Mag, 416 Wby....... These rifes have brakes, but still have significant recoil, along with the complex forces created by having a brake on such intense loads. </p><p></p><p>I have always added a little extra torque on my scope mounting screws just to help counter these forces. Others use 4 rings instead of 2. I have been using these torque numbers for many years with no (known) adverse effects. With quality steel rings and thick tube scopes, I don't have any concerns about the higher torque values. </p><p></p><p>You are right though, for the typical thinner walled scope and certainly if using aluminum rings or bases the mfr torque values should be followed.</p></blockquote><p></p>
[QUOTE="RDM416, post: 407120, member: 3745"] Texan79, You are correct, NF does call for 15 in/lbs. I typically go a little high on most of my scope and base mounting torque numbers and just spouted off the top of my head the values I use. I don't think you are likely to damage most scopes or mounts with the 25 to 30 in/lbs torque, but I should have thought and looked up what some of the various mfs call for. I have a variety of actions, customs..... Nesika and others, remmy's and Wby's...... Most have Badger rails, one NF and one Ken Farrel. I use Badger, NF or MK4 steel rings. I have several NF scopes along with a couple of Swaro PH's, both have much thicker tubes than the typical scope. I shoot some intense rounds, 338 Kahn, 338 RUM, 338 Edge, 510 Allen Mag, 416 Wby....... These rifes have brakes, but still have significant recoil, along with the complex forces created by having a brake on such intense loads. I have always added a little extra torque on my scope mounting screws just to help counter these forces. Others use 4 rings instead of 2. I have been using these torque numbers for many years with no (known) adverse effects. With quality steel rings and thick tube scopes, I don't have any concerns about the higher torque values. You are right though, for the typical thinner walled scope and certainly if using aluminum rings or bases the mfr torque values should be followed. [/QUOTE]
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