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Thread: I think I found my 03A3 load!

  1. #1
    Boolit Bub
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    I think I found my 03A3 load!

    Click image for larger version. 

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    This is using 26.2 grs of Rx7, with a 311299 boolit, caste with a mixed alloy of 50% Lead/50% Lyman#2 and a Hornady GC, lubed with Lyman Alox (NRA) lube. I am not using any filler in the case. The case is Winchester, and they are neck sized using the Lee Collet Die. This was shot off the bench, open sights...

  2. #2
    Boolit Man kaiser's Avatar
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    What grain bullet is the 311299? Good shooting! I've got a 2 groove BBL'd 03 with a Redfield peep sight that I'll have to try your load in.

  3. #3
    Boolit Bub
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    The boolet weight is around 203grs as caste, and then with GC, and lube it runs around 205grs. Play around with the load, as a few 10ths of a grain changed the group allot!! I am using Fed Match primers.

  4. #4
    Boolit Bub
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    I use this bullet in my two groove 1944 Remington 03A3 with 20 gr. of Reloader 7, '69 Lake City case and a Rem. Magnum primer.
    An outstanding target load that is scary accurate!

  5. #5
    Boolit Buddy DonMountain's Avatar
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    Is Rx7 and Reloader 7 the same thing? Who are they made by?

  6. #6
    Boolit Master
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    Two names for the same powder -- Aliant

  7. #7
    Boolit Buddy
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    Puts a big smile on your face when it all comes together doesn't it?
    Then to the next rifle!

  8. #8
    Boolit Buddy Bad Ass Wallace's Avatar
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    My O3 has a 4 groove barrel and I use the Lyman 311284 (208gns) as cast, sized to 0.310" in neck turned and unified brass. This 10 shot group was the first of 2 benchrested at 100yds. My load is 31gns of a local powder equivilant to Dupont 3031 for 1740fps. Sorry, I use a 12X scope!

    Hold Still Varmint; while I plugs Yer!

  9. #9
    Boolit Bub
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    Wallace, that 12x scope does help... LOL! That is a great group. Let me see how close I can get with the stock peep site... My bullets are sized to .309 diameter... in my 4 groove 03 it just likes the .309 better... absolutely no leading after 10 shots... I like that!!

  10. #10
    Boolit Bub

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    I'm glad that I read this post because I recently got a SC 03-A3 made in 1943 that has been sporterized and all the loads mentioned really shoot good in it.

  11. #11
    Boolit Master Char-Gar's Avatar
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    For war time production military rifles, the 03A3 is an amazing rifle!
    Disclaimer: The above is not holy writ. It is just my opinion based on my experience and knowledge. Your mileage may vary.

  12. #12
    Boolit Master WILCO's Avatar
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    Quote Originally Posted by varminter66 View Post

    This was shot off the bench, open sights...
    Hahahahhaha! Awesome!
    Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful. - Albert Schweitzer

    Yeah, I love cast iron cookware.

    Life is too short. Live yours to the fullest.

  13. #13
    Boolit Buddy JMax's Avatar
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    The old saying was the Brits made battle rifles, Germans made hunting rifles and the Americans made target rifles.

  14. #14
    Boolit Buddy
    fatelvis's Avatar
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    My 03-A3 shoots beautifully oth a NOE 311299 of wws, sized to .310 over 18grns 4759, bullets seated touching lands. My second favorite cast bullet launcher!
    I shoot so that I can handload.

  15. #15
    Boolit Bub
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    Have to say that I'm amazed by my 1903-A3 with a 2 G barrel. I size to .310 and have tested several bullets to date. A club that I shoot at has a match nearly every Sunday. Twice a month they hold a match that is 10 shots at each of 4 ranges, 200, 300, 400 and 500 yards. To date all of my best scores have been with the Lyman 311334 GC bullet. I use this bullet in my 03-A3 and a custom 700 Remington 308 with a Hart barrel. In the 06 I push this bullet with 17.5 grains of 2400 powder. It burns clean and there is no leading. In the 308 I push it with 15.5 grains of SR4759. Both rifles are scoped. The O3-A3 has a 16X unertl and the 308 a 3.5-15X NF.

  16. #16
    Boolit Bub
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    The Lyman 311334 GC bullet is delivering the best accuracy at the longer ranges than any other bullet I have tried to this date in both rifles. My post got away from me while I was trying to insert an image of the targets I have shot with the loads I made mention of.
    I just don't remember how to attach a photo at this point.

  17. #17
    Boolit Buddy
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    311299 with 37 grains Imr 4350 kill paper and deer just dandy

  18. #18
    Boolit Master
    georgerkahn's Avatar
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    I use a load of 30.0 grains if IMR3031 in my SC 1903-A3 propelling my cast Lyman 311284, ignited with CCI34 primers in used military brass. My results are nowheres even near as tight a group as you've achieved -- kudos -- but it is, indeed, a great load. IMR3031 is my "go to" powder, and I'm happy to read others (e.g., you) are using it for '06 loads in these bolt guns. (I've never tried this load in a Garand; just acquired one, but for now, I may stick to jacketed bullets for this (CMP rack grade) rifle. Again, the L311284 load works great not only in the 1903A3, but also in my 1917).
    geo

  19. #19
    Boolit Bub
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    Ok, where are you guys getting 4759???

  20. #20
    Boolit Master

    Wayne Smith's Avatar
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    It's been stashed in their powder magazines for years!
    Wayne the Shrink

    There is no 'right' that requires me to work for you or you to work for me!

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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