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Thread: PC'd GC bullet NO GC

  1. #1
    Boolit Buddy gnappi's Avatar
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    PC'd GC bullet NO GC

    I'm wondering if anyone has tried using a PC'd bullet in a rifle WITHOUT the gas check? In a long rifle (311/173gn bullet) I'd suspect it wouldn't be an issue because there would be plenty (3) of driving bands around the bullet. What say you?
    Last edited by gnappi; 10-21-2020 at 07:52 PM.
    Regards,

    Gary

  2. #2
    AKA: GRMPS Conditor22's Avatar
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    I shoot 311-247-GC without a gas check accurately out of 300 BO. some say GC moke rifle boolits more accurate ( maybe at higher velocities)

  3. #3
    Boolit Master slide's Avatar
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    The only real way is to try it and see.
    Boolits !!!!! Does that mean what I think it do? It do!

  4. #4
    Boolit Master

    Rcmaveric's Avatar
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    They worked fine for me at 1600 fps with out gc. The rifle doesn't shoot cast accurately past that even with a gascheck.

    Sent from my SM-N970U using Tapatalk
    "Speak softly and carry a big stick; you will go far."
    ~Theodore Roosevelt~

  5. #5
    Boolit Master
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    I've done it with my .308 and get poor results at 200yd, ie, 4-6" groups. 180gn Lee bullets. With gas checks they shot 2.5" groups.

    I also tried the NOE XCB bullets (165gn) and they did even worse. This was probably due to a lot of the bullet being past the neck.

  6. #6
    Boolit Master



    cwlongshot's Avatar
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    All guns different. Try it and see!!

    I find better accuracy WITH a GC on a GC bullet.

    BUT, I have shot PLAIN base bullets PC'd past 2100 fos with ZERO bullet fouling.

    CW
    NRA Life member REMEMBER, FREEDOM IS NOT FREE its being paid for in BLOOD.
    Come visit my Utube page!!

    https://www.youtube.com/user/cwlongshot

  7. #7
    Boolit Master
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    Yep, if you want to not mess with GC's then get a plain base mold.

  8. #8
    Boolit Master
    Petander's Avatar
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    What expander are you using?

    GC also protects the bullet base at seating. With GC:s we can get by using only "flaring" to expand, instead of proper NOE / Lyman M -style.

    Depending on your expander, GC bullet results without GC can be better than expected IF the bullet doesn't deform (shrink and / or shave coating) while seating it without GC.

    Try it and see, carefully measure and inspect some pulled bullets first.

  9. #9
    Boolit Buddy gnappi's Avatar
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    I was going to sell my GC mold because I have a LOT of JHP and PSP's I bought a while ago for my .308's but I'll give them a try now that I'm powder coating.
    Regards,

    Gary

  10. #10
    Boolit Master



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    I shoot PCed gas check boolits without the GC all the time in my .45/70. I have even shot them at times in a 6.5x55se.

  11. #11
    Boolit Mold
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    Do ya seat the GC before PCing or after?

  12. #12
    Boolit Master



    cwlongshot's Avatar
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    Quote Originally Posted by wolfwing View Post
    Do ya seat the GC before PCing or after?

    BOTH... . Depends upon the PC & bullet.

    CW
    NRA Life member REMEMBER, FREEDOM IS NOT FREE its being paid for in BLOOD.
    Come visit my Utube page!!

    https://www.youtube.com/user/cwlongshot

  13. #13
    Boolit Master
    Dragonheart's Avatar
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    A properly coated, cured & sized bullet will be protected from gas cutting, will seal and withstand to torque spinup of 50,000 pounds of chamber pressure in a full power 30/06 load, whether it be gas checked or not. However, a bullet is steered by its base and any imperfection on the bullet's base will affect accuracy.

    The benefit of a Perfectly installed gas check is it can provide a completely flat base, but notice the word "Perfectly".

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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