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Thread: Dumb question #7675, barrel direction

  1. #1
    Boolit Master
    Join Date
    Jan 2009
    30 miles South of Cheyenne, unfortunately

    Dumb question #7675, barrel direction

    A fellow bought a barrel for chambering and fitting to an XP. It was a 31" blank. He wants it cut in half so he can use it for 2 projects.

    So, one piece will be chambered from the normal end which is stamped with the normal info and the other piece will be chambered from the "muzzle" end so as to use up the part that is normally cut off, so as to achieve as much length as possible.

    In the course of conversation with a another fellow, he said that he felt the second piece would probably not perform satisfactorily because the bullet would be traveling "against" the way the rifling was formed causing accuracy and fouling problems.

    This is a high dollar barrel which is supposed be hand lapped and so forth. It seems to me when one pays nearly $400 for a barrel blank, it should be good from any direction, but I honestly have never given it a thought and before he spends a bunch of money I want to be sure we aren't making a mistake. Giving up a couple of inches in length is really of no consequence if direction is going to be an issue.

    My question, is the above concern valid?
    When it's time to fight, you fight like you are the third monkey on the ramp to Noah's Ark.... and brother, it's STARTING TO RAIN!!

  2. #2
    It must be a straight barrel, no taper, or you may not have enough diameter for a shoulder on the muzzle end. Why not cut it in half and maintain the direction?

    Then again, if it's a fully lapped barrel, anything directional should be gone.

  3. #3
    Boolit Grand Master Texas by God's Avatar
    Join Date
    Mar 2016
    Interesting. I do recall reading an article a few years back about threading a .30 caliber blank on both ends for the action. Then each end was chambered and headspaced to the same action. One end was chambered for the .300 H&H magnum and the other end was chambered for the .300 WSM. The purpose was to compare the two cartridges from the same barrel. According to the article it was a successful albeit strange looking result. Personally, I don't know if there's anything wrong with doing it either way, but I would probably go the one directional route.

    Sent from my SM-A716U using Tapatalk

  4. #4
    Boolit Master
    Join Date
    Mar 2010
    NC Arkansas
    If properly hand lapped, the muzzle groove diameter should be less than the chamber end, should not cause any prob lem if the barrel is cut and the front is is chambered at the rrear end. Keep the muzzle at the muzzle.
    Spell check doesn't work in Chrome, so if something is spelled wrong, it's just a typo that I missed.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check