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Action screw torque after bedding

This is a discussion on Action screw torque after bedding within the Gunsmithing forums, part of the Firearm Forum category; Hey Guys, I glass bedded my Ruger M77 VT in 220 swift. The front screw stock hole has been drilled out and filled with pro ...


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Old April 12th, 2017, 06:47 PM   #1
 
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Action screw torque after bedding

Hey Guys,

I glass bedded my Ruger M77 VT in 220 swift. The front screw stock hole has been drilled out and filled with pro bed 2000 between the action and bottom metal hinge. The rear screw just has some bedding compound under the rear tang. Do you think I still need to torque the front screw to Ruger specs 90-95 inch pounds? I will experiment but looking for some starting torques. Any of you experienced Ruger people please chime in and let me know what worked for you. Thanks in advance.
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Old April 13th, 2017, 11:55 PM   #2
 
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Screw torque

FYI... in case anyone else might be interested. Found some answers on another forum after a bit of searching. It appears that 30-40 inch pounds on the front screw should be sufficient after glass bedding (90-95 with out) on a laminate stock without pillars and little more if pillars have been installed. So 30-40 on the front screw 25-35 on rear screw and 1/8 turn past touching on center screw, again after being glass bedded. These were recommend from people shooting well at these settings. I'll do some testing and report back. At least I have a starting point.
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Old April 15th, 2017, 02:58 PM   #3
 
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Update

I had a chance to go out and shoot the rifle with the new bedding. I started with 30 inch pounds on the front screw 25 on the rear screw. The center screw was lightly seated. It shot so well that I left it there. One thing I was hoping for was that bedding the barrel would get rid of the occasional flyer I was getting (see pic). I'm happy to report that with about 30 rounds fired, I have not had one! It would usually occur every 6-8 shots or less. Sometimes bedding a barrel can change the way your gun shoots with a particular load. Again I'm pleased to report that with the exception of one load (IMR4831) the gun shot very similar but much more consistently.

I did try one new load with RL17 which the gun seemed to like (see attached) According to the book it runs about 3950 fps and was grouping around a half inch. Shooting conditions were not the greatest with a 5-10 mph cross wind and sunny so I was pretty excited.
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File Type: jpg RL17.jpg (498.3 KB, 16 views)
File Type: jpg flyer.jpg (963.2 KB, 16 views)

Last edited by persico; April 15th, 2017 at 07:44 PM.
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