barrel question
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Old 12-27-2008, 11:45 AM   #1
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Default barrel question

if i were tho remove my barrel on a reminton 597 would i need any special tools to reattach? an example would be if i were to buy a new barrel or just take my barrel off to clean or apply duracoat. all knowledge would be greatly appreciated thanks.

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Old 12-27-2008, 06:54 PM   #2
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No you wouldn't. All you need is an allen wrench as the Remington model 597 is basically same barrel retention system as Ruger 10/22, differing in that 597 barrels are held in by 1 screw instead of Ruger's 2. Also the Remington 597 barrel retention screw is further back, actually inside front of reciever. Both rifles are designed for the barrels to ba easily removed.

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Old 12-27-2008, 07:54 PM   #3
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We would, however, be remiss if we didn't mention that putting the barrel back on SHOULD require a check to make sure you have not compromised your headspace.

If that were to happen: Best case, your accuracy goes to crap. Worst case = kaboom.

JD

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Old 12-28-2008, 04:51 AM   #4
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so how do you check headspace? any speacial tools needed for this?

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Old 12-28-2008, 05:40 AM   #5
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As a matter of fact, it's not neccesary to check headspace on either Ruger 10/22 or Remington 597 when changing barrels. The way they're designed, the bolt is "self adjusting" for what tiny tolerances may exist. See-they're both blowback operation, as are all .22 semiautos. That means the bolt goes as far forward as possible until bottomed out against the rear of barrel, and headspace is "set" by the case rim relief in the face of bolt. That's why the factory rifles are designed for maximum reliability, but less than stellar accuracy. Again, when just swapping drop-in barrels, you do not have to check for headspace.

The rim relief on factory bolts is usually .048. Remember this is rim thickness. The maximum rim thickness of quality .22LR ammo is .040-.042, so facing the front of factory bolt back to where the cartridge rim relief or depression if you will to .043 will result in not only more accurate rifle, but it will also be less picky about different ammo brands/types of ammo. Remember-DO NOT ATTEMPT this if you don't know exactly what you are doing, of if you don't have access to an depth mic. Also when facing the bolt, it HAS to de done perfectly perpendicular to bore. If you try to do this and get it wrong, the rifle WILL go fullauto or even worse will detonate the cartridge while only partially chambered due to the bolt itself impacting on case rim, resulting in an blowout and possibly major injury. Facing rimfire bolts should be left for experienced people, and is but 1 of many tricks to get unbelievable accuracy from an semiauto. That is why I don't consider slapping an bull barrel & stock on a rifle is building it, but if that's all you can do, it WILL increase accuracy quite a bit from the extremely sloppy chambered factory rifles. I hope I've explained myself clearly enough for yall to make sense from my ramblings.

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Old 12-28-2008, 06:05 AM   #6
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yes i beleive youve explained yourself fine.thanx guys. i was hoping to get feed back from you two and i have succeded

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Old 12-28-2008, 06:07 AM   #7
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I forgot to mention another common trick-drilling "cleanout" hole in rear of reciever. What that does is allow cleaning from breech without removing barrel, while providing cleaning rod guide by reciever hole. They make a jig to make doing this idiotproof. Basically you drill hole slightly bigger than .22 cleaning rod in reciever, exactly straight back from bore. Then to clean, simply remove from stock, remove bolt, and you're ready to clean.

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Old 12-28-2008, 06:15 AM   #8
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wouldnt that let more dirt in the receiver are or allow grim buildup to progress faster?

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Old 12-28-2008, 06:21 AM   #9
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No, for a couple reasons. 1st, the hole is concealed when the rifle is in stock by the stock, 2nd is with a .22 semiauto, 95% of the crud and powder fouling is coming from the inside anyway.



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wouldnt that let more dirt in the receiver are or allow grim buildup to progress faster?
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Old 12-28-2008, 06:37 AM   #10
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i see, ill have to look into that

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