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I have an extra short action lying around so I picked up a 308 takeoff from here on the fire. After screwing the barrel on I find the bolt wont close on a round (maybe .010 short). Can I just use a finish reamer and go-no go guages to make it work, or am I missing something else. Thanks Butch
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I'd run a go/no go test on it before I did anything.
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It's a short action 700 Remington.
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I have an extra short action lying around so I picked up a 308 takeoff from here on the fire. After screwing the barrel on I find the bolt wont close on a round (maybe .010 short). Can I just use a finish reamer and go-no go guages to make it work, or am I missing something else. Thanks Butch If it's a Rem action the bolt nose might first becoming in contact with the bolt rim and/or the recess. Check that first, THEN measure headspace. But if it closes on an empty chamber, then you need a finish reamer and gauges.
Ex- USN (SS) '66-'69 Pro-Constitution. LET'S GO BRANDON!!!
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Thanks Redneck
The bolt closes fine without a round in the chamber. So I should be able to just ream to specs?
If I back the barrel out a quarter turn It will close on a round. I don't have the guages or reamer yet..
Last edited by captbutch; 08/17/16.
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Thanks Redneck
The bolt closes fine without a round in the chamber. So I should be able to just ream to specs?
If I back the barrel out a quarter turn It will close on a round. I don't have the guages or reamer yet.. You'll need both.. 1/4 turn is nearly .017 of thread depth. So your chamber will need that, at least, and maybe another .003, depending on your gauges.. Got a lathe handy?
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Thanks Redneck
The bolt closes fine without a round in the chamber. So I should be able to just ream to specs?
If I back the barrel out a quarter turn It will close on a round. I don't have the gauges or reamer yet..
You'll need both.. 1/4 turn is nearly .017 of thread depth. So your chamber will need that, at least, and maybe another .003, depending on your gauges.. Got a lathe handy? I do have a lathe. Will I have to relieve the breech end of the barrel also? Actually it's only about an eighth of a turn (just checked again) maybe .010 between lug and receiver. Thanks Butch
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You shouldn't have to relieve the breech (assuming you've installed the barrel on tight). If so, it's just a matter of reaming the chamber tighter..
Oh, and ensure you remove the ejector first before reaming - to make sure you don't get a false reading - and I place the gauge on the bolt body before insertion to take away any possibility that the extractor hangs it up..
FWIW.
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Thanks for the help Redneck! I think I just discovered the problem though.. The recoil lug mic'd at .179, I believe it's supposed be .187 correct? I have another recoil lug that I installed and now the bolt will close on a cartridge with a snug fit (not tight, but snug). I'm thinking it's good to go. You?
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That should work - for a while.. But keep in mind you might get a batch of brass (or shells) a thou or two over.. Then what?
I'd still at least try a GO gauge and see what happens.. I usually chamber a barrel to allow the bolt to just close on the GO..
FWIW.
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That should work - for a while.. But keep in mind you might get a batch of brass (or shells) a thou or two over.. Then what?
I'd still at least try a GO gauge and see what happens.. I usually chamber a barrel to allow the bolt to just close on the GO..
FWIW. This ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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I've ordered a set and will check it for sure! Thanks again for your help! Butch
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Just an update..Put it all together, mounted scope, dropped into LVSF stock. Worked perfect! Even shot pretty good! [img:center] [/img]
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I'd rent a finish reamer.
Alternatively, you can buy over thickness recoil lugs. But I'd rent a reamer.
I prefer classic. Semper Fi I used to run with the hare. Now I'm envious of the tortoise and I do my own stunts but rarely intentionally
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Looks good! I see you wasted no time putting the stock to good use. 🙂
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I just rented a finish reamer for $40. bucks with a $200. deposit.
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