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Rifles, Reloading, Optics, Equipment
Gunsmithing
Heavy bolt lift on sako: rifle has been hot rodded
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<blockquote data-quote="ShtrRdy" data-source="post: 1834442" data-attributes="member: 40852"><p>Okay, good. If you look at the back of the locking lugs, do they look smooth?</p><p></p><p>If so, clean the bore/hole in the bolt body and clean the firing pin assembly. You can use non-chlorinated brake cleaner and some patches on a loop style jag. You want to be able to pull that patch back out. </p><p></p><p>Now we need to place some lubrication in certain places. I dont like to lubricate the firing pin or spring. This is to avoid sluggish movement under cold conditions. Now if you look at the bolt shroud part. It has a portion which rotates inside the bolt body. Put some oil on the surface that rotates inside the bolt body. </p><p></p><p>Take a look at the cocking piece on the firing pin assembly and the cocking ramp on the bolt body. These slide against each other of should appear as smooth surfaces. Place some grease on this interface. </p><p></p><p>Put the firing pin assembly back into the bolt body and apply some grease on the back of the locking lugs. Now try the bolt back in the action. Does it feel any smoother?</p><p></p><p>If not then we need to take a closer look at the firing pin assembly.</p></blockquote><p></p>
[QUOTE="ShtrRdy, post: 1834442, member: 40852"] Okay, good. If you look at the back of the locking lugs, do they look smooth? If so, clean the bore/hole in the bolt body and clean the firing pin assembly. You can use non-chlorinated brake cleaner and some patches on a loop style jag. You want to be able to pull that patch back out. Now we need to place some lubrication in certain places. I dont like to lubricate the firing pin or spring. This is to avoid sluggish movement under cold conditions. Now if you look at the bolt shroud part. It has a portion which rotates inside the bolt body. Put some oil on the surface that rotates inside the bolt body. Take a look at the cocking piece on the firing pin assembly and the cocking ramp on the bolt body. These slide against each other of should appear as smooth surfaces. Place some grease on this interface. Put the firing pin assembly back into the bolt body and apply some grease on the back of the locking lugs. Now try the bolt back in the action. Does it feel any smoother? If not then we need to take a closer look at the firing pin assembly. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Heavy bolt lift on sako: rifle has been hot rodded
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