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Thread: 6.5x53R Mannlicher

  1. #1
    Boolit Buddy
    Join Date
    Sep 2019
    Posts
    207

    6.5x53R Mannlicher

    Anyone here with PP experience with this one?
    The bore is rough. Bore is ~ .257", groove is .270". I sized some 266469s to .259"/.260" and patched with green bar copy paper. I have .270" and .2735" size dies. I sized Pp'd bullet with the .2735 die and loaded over 29 grins of H4895.
    I have fired maybe 20 rounds of this load at 50 yds. So far inaccuracy has been pronounced.
    A .272" lubed Ctuise Missile over 15.5 gn 2400 has been good for 1.5" to 2" at 50 yds, which is about as good as I can see to shoot this little carbine.
    Thoughts or suggestions?

  2. #2
    Boolit Buddy
    Join Date
    Mar 2009
    Location
    eastern Iowa
    Posts
    422
    I have something to suggest. I was having poor results with a p14 enfield. Paper patch would be just a white poof and bad shooting. One fine day I shot lubed regular WW lead bullets for a number of rounds and then shot the PP bullets. Instant turnaround . Good targets paper in shreds ( just like you would want) no leading. The lube on the bullets must have smoothed out the rust textured barrel and permitted this to work.

  3. #3
    Boolit Master Good Cheer's Avatar
    Join Date
    Jul 2010
    Location
    the Ark
    Posts
    3,785
    My solution was to either rebore or rebarrel but the cost impact on the project has put it on perhaps permanent hold.
    I used paper patched to fire lap the horrendous corrosion. This did smooth it out quite a bit but not enough due to the greater corrosion near the muzzle.

    Initial polishing rounds.


    One that got stuck near the muzzle.


    Because I was using wrapped rounds the hugely corroded forcing cone and bore ahead of the chamber got smoothed up first. Now it's .273" and tapers towards the muzzle. I threw my hands up in frustration but maybe I'll go back to it.

    Another path forward I've considered and almost did was to get the barrel rebored to .338" groove diameter. Then recut the chamber neck. Then get a case sizing die. The case volume is plenty for use with a .338. Or even a .358.
    Last edited by Good Cheer; 07-07-2021 at 05:55 AM.

  4. #4
    Boolit Buddy
    Join Date
    Sep 2019
    Posts
    207
    > would post a picture but don't have a clue how but,
    The last time out the scraggly barrel put 4 of 5 lubed Cruise Missiles into 3/4" x 1 5/8" at 50 yds. I am pleasantly surprised, even happy, with that performance. I hoped that maybe with PP it could fit this groove dia and get closer to factory velocity.

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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