Max Cartridge Length for .308 in Factory 700BDL Mag.
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Thread: Max Cartridge Length for .308 in Factory 700BDL Mag.

  1. #1
    Senior Member unclesarge58's Avatar
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    Max Cartridge Length for .308 in Factory 700BDL Mag.

    Was just wondering....
    What is the Maximum Cartridge Length that will Feed Properly in the Factory/Stock Magazine Well of a 700BDL in .308?
    I am having Problems w/ Failure to Feed w/ Cast 170gr Lee RNFP Seated in the Crimp Groove.
    The Loaded Rounds Fit the Mag just Fine. But, They Hang Up when Cycled w/ the Bolt.
    They Seem to Hang on the Bottom of the Feed Ramp. Any Suggestions?
    I Know, I Know...I Should get out the Calipers & Measure. But, OAL to Fit the Mag is Not the Problem.
    Max OAL to Feed Properly w/ 170gr RNFP is What I am Trying to Determine.
    Anyone have Any Experience w/ This or Ideas on How to Solve the Problem?
    UncleSarge58
    78 REM 700BDL: .308WIN w/ 22in. 1-10 Bbl / Redfield 3-9X50 AR

    Shoot Far, Shoot Straight. Be Not Seen, Be Silent.
    Be as the Hand of Death. Shoot First.

  2. #2
    Senior Member Deadshot2's Avatar
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    It sounds like you may have a magazine box problem. The front of the box should line up either perfectly with, or a thousandth or two behind the feed ramp.

    I've found that most Remington internal "boxes" have issues with fitting. If it shifts ahead of the feed ramp, try removing the box and bending a small amount of the lower front edge so it's pushed farther back in in the bottom metal. On my rifle there was more than .100" of slop in the fit when I took it out of the box. If the magazine box is pushed all the way back in the bottom metal, and the bolt still catches the case head to feed the round your good-to-go. If not, remove the bolt stop and file/grind a small amount off of the rear part that stops the bolt. This will allow the bolt to travel back far enough to catch the case head. IF you need to do this it won't be much.

    As for max OAL, it's generally considered to be around 2.830". I load up to 2.825" in my BDL. You can purchase a new magazine box from Midway (about $30) but it requires modification to the bolt stop, the removal of that 'stub' at the back of the feed ramps, and possibly the ejection port, but you can then load cartridges well over 2.900" OAL (.110" more than stock).

    To find the max OAL for your rifle just create 3-4 dummy rounds that are 2.850" and keep shortening by .005" until they feed reliably.
    unclesarge58 likes this.

  3. #3
    Senior Member unclesarge58's Avatar
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    The Mag Box Lines Up Perfect & Fits Flush w/ the Feed Ramp & is Contoured & Polished to Match..
    Solved That Problem Long Ago when I Glass Bedded the Action.
    Rifle Feeds 2.824 Pointed/Spire Point Jacketed Bullets w/ No Problem.
    It's Just the Cast Lead RNFP that Hang Up. They Chamber just Fine when Loaded one at a time.
    Guess I'll Have to Try Seating them a Little Deeper & Crimp w/ Lee FCD.
    Pressure Not a Problem as I am Loading them to around 2000fps. Plenty of Case Room.
    Thanx for the Max Length Info. That's What I was Lookin' 4.
    Gettin' too Lazy to Look it Up Myself.
    US58
    Last edited by unclesarge58; 05-26-2014 at 11:25 AM.
    78 REM 700BDL: .308WIN w/ 22in. 1-10 Bbl / Redfield 3-9X50 AR

    Shoot Far, Shoot Straight. Be Not Seen, Be Silent.
    Be as the Hand of Death. Shoot First.


 

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