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01-25-2023, 11:52 AM
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Join Date: Apr 2017
Posts: 186
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Bolt Question
Hey guys, I've notice the bolt on my browning A-bolt bolt is getting harder to lift after firing. Even with out a case in it, if's dry fired the bolt feels heavy. Any suggestions what to do or what is the cause. Ive owned the rifle for 15 ish years and bought it lightly used. I lube and clean the bolt regularly but have never taken it completely apart.
Thanks!
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01-25-2023, 12:06 PM
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Join Date: Dec 2008
Location: Camrose
Posts: 45,523
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What does the cocking cam look Iike ? Is it dry, or even galled?
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01-25-2023, 12:20 PM
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Join Date: Jun 2007
Location: Ft. McMurray
Posts: 38,691
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I would clean the bolt lug recesses and lube the bolt lugs
With a very light oil. Many shooters ( Kenny Jarret for example) use ATF then wipe it off.
Too much lubrication is not good.
I use G96.
Cat
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Anytime I figure I've got this long range thing figured out, I just strap into the sling and irons and remind myself that I don't!
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01-25-2023, 12:25 PM
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Join Date: Apr 2017
Posts: 186
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Quote:
Originally Posted by elkhunter11
What does the cocking cam look Iike ? Is it dry, or even galled?
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I would say it looks dry. I usually clean the whole bolt with g96 then put a couple drops of Hoppe's 9 on it.
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01-25-2023, 12:36 PM
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Join Date: Dec 2008
Location: Camrose
Posts: 45,523
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Quote:
Originally Posted by EagleEyes
I would say it looks dry. I usually clean the whole bolt with g96 then put a couple drops of Hoppe's 9 on it.
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The bolt lugs and cocking cam need to have at least some lube on them.
I would also strip the bolt down, to see what is inside,
https://www.youtube.com/watch?v=RS-lgSQvyyg
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Only accurate guns are interesting.
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01-25-2023, 01:48 PM
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Banned
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Join Date: Apr 2022
Location: Waterloo On
Posts: 30
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Bolt question
Quote:
Originally Posted by EagleEyes
Hey guys, I've notice the bolt on my browning A-bolt bolt is getting harder to lift after firing. Even with out a case in it, if's dry fired the bolt feels heavy. Any suggestions what to do or what is the cause. Ive owned the rifle for 15 ish years and bought it lightly used. I lube and clean the bolt regularly but have never taken it completely apart.
Thanks!
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Lube the cocking cam
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01-25-2023, 02:02 PM
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Shooting Xs
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Join Date: Sep 2009
Location: Medicine Hat
Posts: 836
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After cleaning the bolt and receiver lugs I use a fine synthetic grease, just a pinhead or so, on them and the cocking cam ramp.
Hold the trigger back and work the grease over the lug faces by cocking and un-cocking the bolt a few times.
My Kelbly actions come supplied with a syringe applicator full.
Permatex High Performance Synthetic Grease available at Can Tire is also a very good product for this application.
https://www.canadiantire.ca/en/pdp/p...p.html?loc=plp
Enough to last 10 life times.
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01-25-2023, 06:52 PM
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Join Date: Apr 2017
Posts: 186
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Broke the bolt down and cleaned everything up. Put some lube on the bolt lugs and cocking cam still seems a little heavier lift than normal. Bolt smoother now after the total clean though and good to see whats going on inside.
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01-26-2023, 06:30 AM
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Join Date: Feb 2014
Posts: 248
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I dont know a lit about this stuff but Have you done anything new to the rifle. Like tighten the scope base. That front screw could cause some drag.also I have had the action screws cause drag on some guns. There could also be a built up of grease etc in the locking lug surface behind the chamber. I remember a pine needle somehow getting in there and causing quite a mess. Thankfully I have purchased the tools and pad to clean that area.
Good luck
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01-26-2023, 06:42 AM
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Join Date: Feb 2014
Posts: 248
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I dont know a lit about this stuff but Have you done anything new to the rifle. Like tighten the scope base. That front screw could cause some drag.also I have had the action screws cause drag on some guns. There could also be a built up of grease etc in the locking lug surface behind the chamber. I remember a pine needle somehow getting in there and causing quite a mess. Thankfully I have purchased the tools and pad to clean that area.
Good luck
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01-26-2023, 07:03 AM
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Join Date: Dec 2008
Location: Camrose
Posts: 45,523
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Quote:
Originally Posted by JULIUS
I dont know a lit about this stuff but Have you done anything new to the rifle. Like tighten the scope base. That front screw could cause some drag.also I have had the action screws cause drag on some guns. There could also be a built up of grease etc in the locking lug surface behind the chamber. I remember a pine needle somehow getting in there and causing quite a mess. Thankfully I have purchased the tools and pad to clean that area.
Good luck
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A screw dragging on the bolt or grit in the lug races would also cause extra resistance closing the bolt, but a dry or galled/corroded cocking cam/ramp only effects opening the bolt, on the rifles that cock on bolt opening.
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Only accurate guns are interesting.
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01-26-2023, 07:21 AM
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Join Date: Sep 2015
Posts: 1,851
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If I remember correct in the 90s there were a bunch of Remington 700 s that the cocking cam was soft and were galling causing stiff bolt lift. It required poilishing the cam and heat treating to harden . That solved the problem
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01-26-2023, 07:33 AM
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Shooting Xs
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Join Date: Sep 2009
Location: Medicine Hat
Posts: 836
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Grit in the lug recess, that's what I was wondering also. If you have a shotgun cleaning kit or a slotted jag slide a large cotton patch in it and attach it to a cleaning rod soaked with cleaner and spin it around in the recess just before the chamber, that should tell you if that may be the issue. Re lube after.
Is this a stainless action?I have seen lugs in SS actions galled badly from running with no lube for years and not being cleaned properly.
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01-26-2023, 07:58 AM
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Join Date: Sep 2015
Posts: 1,851
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I would suggest if the bolt is still difficult to lift and everything is clean , lubed and no’s screws dragging that the bolt lugs or cocking cam are galled .
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01-26-2023, 09:08 AM
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Shooting Xs
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Join Date: Sep 2009
Location: Medicine Hat
Posts: 836
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Quote:
Originally Posted by fps plus
I would suggest if the bolt is still difficult to lift and everything is clean , lubed and no’s screws dragging that the bolt lugs or cocking cam are galled .
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Yup, logical conclusion.
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01-26-2023, 12:50 PM
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Join Date: Apr 2017
Posts: 186
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Thanks for all the advice. I’ve never heard of galled before so will have to look into this some more. Probably be stopping in at a smith to have them check it out also.
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01-26-2023, 03:37 PM
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Join Date: Sep 2015
Posts: 1,851
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The galling is easy enough to see , pull the bolt out of the rifle and look at the back of the locking lug . It should be smooth and not have any tiny “tearing “ of the metal . Also look at the back of the bolt where the cam is to push the firing pin back. It also should also be smooth .
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01-26-2023, 05:21 PM
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Join Date: Apr 2011
Posts: 244
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Reloads or regular ammo?
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01-26-2023, 05:54 PM
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Join Date: Sep 2015
Posts: 1,851
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Have you ever shot a load that pierced the primer ? Sometimes when that happens a piece of the primer blows into the bolt body and rubs between the firing pin and bolt body .
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01-26-2023, 06:45 PM
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Join Date: Apr 2017
Posts: 186
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Quote:
Originally Posted by fps plus
Have you ever shot a load that pierced the primer ? Sometimes when that happens a piece of the primer blows into the bolt body and rubs between the firing pin and bolt body .
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No that has never happened
Sent from my iPhone using Tapatalk
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01-26-2023, 06:46 PM
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Join Date: Apr 2017
Posts: 186
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Quote:
Originally Posted by claykuch
Reloads or regular ammo?
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Usually reloads
Sent from my iPhone using Tapatalk
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01-26-2023, 06:51 PM
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Join Date: Apr 2017
Posts: 186
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01-27-2023, 06:57 PM
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Join Date: Sep 2015
Posts: 1,851
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pictures are not really clear enough to see well on the lugs . However it may appear you are etching your bolt face which is not a good thing . Clean your bolt face and check to see if you are cutting into the bolt face . If so your reloads are too hot . Possible primer issue ,usually not .
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