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Thread: Looking for a good gas-checked 303 Brit boolit

  1. #1
    Boolit Buddy
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    Looking for a good gas-checked 303 Brit boolit

    I've been playing around with a sporter 303 Enfield that my grandfather gave me a long time ago. I haven't shot it much until recently, but I'd like to get a good load figured out for it, as it's a really handy little rifle and would make an ideal brush gun for deer.

    I slugged the barrel, and it looks like the grooves are coming in at .313" so I'd like something that drops around .315" or .316". I'm not sure what weight would be ideal for the twist of these old military barrels, but I've been reading that they tend to like the 180 to 200-some weight range. Can anybody corroborate that?

    I've found a few that look like good candidates, but I'm also open to any other suggestions.

    http://noebulletmolds.com/NV/product...oducts_id=1675

    http://accuratemolds.com/bullet_deta...=31-200J-D.png

    http://accuratemolds.com/bullet_deta...=31-200L-D.png

    Not sure which one would make a good hunting boolit, but they look promising to my uneducated eye
    Last edited by asmith80; 11-09-2018 at 11:13 AM.

  2. #2
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    Larry Gibson's Avatar
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    NOE 316-213-01 if the barrel is 2 groove.

    NOE 314-205 or Lyman 314299 if the barrel is a 5 groove. The Lee 312-185 can also give excellent accuracy in 5 groove barrels as with COWWs + 2% tin or #2 alloy they generally drop .313 - .314+ from the mould.
    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  3. #3
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    ShooterAZ's Avatar
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    I ordered this one from Tom at Accurate, I speced it to drop at .315 with my alloy, and sure enough it does. It's a good shooter, basically a 316299 with a flat point.

    http://www.accuratemolds.com/bullet_...=31-200L-D.png

  4. #4
    Boolit Buddy
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    Quote Originally Posted by Larry Gibson View Post
    NOE 316-213-01 if the barrel is 2 groove.

    NOE 314-205 or Lyman 314299 if the barrel is a 5 groove. The Lee 312-185 can also give excellent accuracy in 5 groove barrels as with COWWs + 2% tin or #2 alloy they generally drop .313 - .314+ from the mould.
    Is it as simple as looking down the barrel and counting grooves to figure out which one I have?

  5. #5
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    leebuilder's Avatar
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    Quote Originally Posted by asmith80 View Post
    Is it as simple as looking down the barrel and counting grooves to figure out which one I have?
    Yup, some two groove shoot very well.
    When you read the fine print you get an education
    when you ignore the fine print you get experience

  6. #6
    Boolit Grand Master Outpost75's Avatar
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    Another good possibility is Accurate 31-215B
    The ENEMY is listening.
    HE wants to know what YOU know.
    Keep it to yourself.

  7. #7
    Boolit Buddy
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    So it seems like 200-ish gr. is a good choice for weight for this caliber?

  8. #8
    Boolit Buddy c1skout's Avatar
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    No trouble with the Lee 185 for me. Use it in a P14 that slugged .313. Copper checks and LLA lube. I haven't tried hot loads, a few tenths over starting load with IMR 4227 is accurate and deadly on deer.

  9. #9
    Boolit Master Hick's Avatar
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    around 200 grains should work very well in the Enfield. My 314299 drops at 196 and my Enfield seems to like it a lot. I use the 314 sized to 313-- but my bore slugs at .311. You'll want something a little larger-- as discussed above.
    Hick: Iron sights!

  10. #10
    Boolit Master
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    I use the 314299 sized to .3135 fir my finn model 27 in 7.62x54r barrel slugs out at .3115 sp .002 over bore diameter. So that bullet when it comes out of the mold is .303 on the land riding portion of the bullet and .314 on the groove portion of the barrel If your barrel slugs out anything bigger than .314 then the NOE 316299 and you should be good. I have a Long Branch #4MKI* with a two groove barrel so I know I'm going to need a fatter bullet. Frank

  11. #11
    Boolit Buddy
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    Thanks for all the info guys. I went with the Accurate 31-200L as it seems to be a copy of the 314299 with a flatter nose, which should be effective for deer. Once it comes in and I get some cast and loaded I'll post a range report

  12. #12
    Boolit Buddy pacomdiver's Avatar
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    check out the NOE 311365, mine drops 311 normal and 195g and 313-314 and 202g when beagled,

  13. #13
    Boolit Master RU shooter's Avatar
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    Another option in a lighter weight is the inexpensive Lee 312-155 in the TL or regular lube flavor that's IF it drops big enough for your barrel one of mine is .314 the other is .312 . Yes they are lighter and shorter than the usual 200 gr bullets but I've always gotten them to shoot rather well in any 30-31 cals. I've tried out to 200 yds.
    If you find yourself in a fair fight, your tactics suck!

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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