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Remington 700 P 308 chamber Questions

This is a discussion on Remington 700 P 308 chamber Questions within the Bolt Action forums, part of the Gun Forum category; So I have a chamber length of 2.059 which means I’m .044 over the 2.015 oacl and an ogive 2.349 yawing 175grn hpbt MK and ...


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Old May 22nd, 2020, 10:11 PM   #1
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Remington 700 P 308 chamber Questions

So I have a chamber length of 2.059 which means I’m .044 over the 2.015 oacl and an ogive 2.349 yawing 175grn hpbt MK and that is roughly 1/3 of an inch and so the bullet barely seats f I try to seat it .0002 from the rifling ( sorry but I can’t stand writing ogive ) first I can’t see where this would be safe. second bullet seating at 2.800 gets it through magazine of course but even so, isn’t that an excessive amount of bullet jump? Third I’ve only put about 40 rounds of 150 grn soft tip through it and I purchased it brand new any info would be helpful thanks Haas

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Old May 23rd, 2020, 02:59 AM   #2
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Welcome to the madness.

Whole bunch of technical stuff there.

Something need clarification. Your bullet seating should be something in excess of the bullet diameter.

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Old May 23rd, 2020, 06:47 AM   #3
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Don't get hung-up about the dimensions.
First do basic accuracy testing to see how it performs. And using good quality 'target ammo' will give a baseline.
And yes, having the bullet seated into the case so there's 1 bullet diameter of CONTACT should be fine.

Jay

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Old May 23rd, 2020, 07:30 AM   #4
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Most commercial factory ammo will have an OAL of 2.800 with either 168 or 175 grain bullets. Milspec M118 and Mk318 (175 SMK) will run between 2.81-2.830". I have a 700P, but it's one of the older package deals with the Leopold glass and was an LE agency trade when I bought it. I've no clue the round count on it since I got it used, but the worst factory ammo groups run 1 MOA (10 shots) and my 168 handloads with an OAL around 2.830" are .5MOA when I do my job.

Don't get hung up with OAL's when reloading, especially with Sierra bullets. Unless you're using some sort of VLD bullet most traditional match bullets tolerate jump well. Run a couple boxes of Gold Medal 168, 175 and maybe some of the Berger 185 Juggernaut if you can find it and use this as a baseline for your rifle's accuracy capabilities. I load for both bolt gun and M14 and 2.830" is about the maximum OAL that will fit in a magazine, so that's as long as I load all my ammo.

Good luck!

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Old May 23rd, 2020, 08:48 AM   #5
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Your situation is quite typical.

If the bullet can't be seated long enough to approach the rifling, while still having .30" of bearing surface contacting the neck, then accept the fact and move on.

I'd be shocked if the 700P doesn't deliver sub MOA performance.

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Old May 23rd, 2020, 09:07 AM   #6
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Agree with above, don't worry about it until you shoot it. I once had a Ruger 77 in 7x64, part of a Euro run they made, and made to CIP specs. It had a half mile of throat in it. I talked to the Ruger tech guy and was whining about it. He asked if I had shot it yet, nope I said.
Told me to shoot it before worrying about it. I did. It shot great. Long bullet jump doesn't necessarily mean it wont shoot.

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Old May 23rd, 2020, 09:45 AM   #7
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XPARA,

Most factory rifles are throated long to be able to handle any cartridge/bullet combination run thru it. It's been my experience that Sierra's (you noted 175 grn MK) usually shoot well regardless of jump, with most Sierra's favoring .030 off the lands.

John

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Old May 23rd, 2020, 01:16 PM   #8
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The concern about long throats isn't the actual amount of bullet jump to the rifling, it's that due to WEAR in the throat area the diameter of the throat is increased and that can allow the bullet axis to tilt slightly and enter the rifling at an angle. As long as the throat diameter is correct and properly aligned with the bore axis the bullet will enter the rifling in a straight line.

Jay

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Last edited by JayKosta; May 24th, 2020 at 06:06 AM.
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Old May 23rd, 2020, 01:57 PM   #9
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Quote:
Originally Posted by Grizzman View Post
Your situation is quite typical.

If the bullet can't be seated long enough to approach the rifling, while still having .30" of bearing surface contacting the neck, then accept the fact and move on.

I'd be shocked if the 700P doesn't deliver sub MOA performance.
Same same. I have the OLD Rem 700 VS, which is essentially the same rifle. Same barrel, LONG throat and HS stock. Spooky accurate. Shoot it.

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Old May 23rd, 2020, 02:42 PM   #10
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Try Federal GMM. See how it shoots as it should be a tack driver sub moa at 100 yds. If it does not shoot well 1MOA or less with 168 grain GMM I think id be calling Remington. I suspect if it does not shoot well they will have you send it in and replace the Barrel

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Old May 23rd, 2020, 04:31 PM   #11
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Rifles are like women , you don't know what they like until you are with them a while

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Old May 25th, 2020, 12:30 PM   #12
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Rifles are like women , you don't know what they like until you are with them a while
Ain’t that the truth !

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Old May 25th, 2020, 12:36 PM   #13
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Thank you Gentlemen I appreciate the information I’ll post again in a few weeks when I get this sorted out thanks again Best Regards Haas

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Old May 25th, 2020, 01:55 PM   #14
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Rifles are like women , you don't know what they like until you are with them a while
Rifles are easier to get rid of if ya get tired of em.

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