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Thread: M1 Garand and cast observations over 6 months

  1. #41
    Boolit Master
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    Hi Oldfair,
    I have all the ingredients except for the Tula primers. Anyone know of any primers which might be used as a replacement in your recipes?

  2. #42
    Boolit Master


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    NewTire: I had posted my primer choices in ALL gas guns in post #38, here above, had you not viewed it. I see no reason they would not be more than suitable in any/all gas gun recipes.
    BEST!
    geo

  3. #43
    Boolit Buddy
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    Just remember another thing about M1 Garands and M1A s
    You Must be sure that the leg on the firing pin is not peened or damaged.
    And check firing pin protrusion.
    Also check the surface for damage where the firing pin leg holds the firing pin back
    until bolt is fully closed.
    beltfed/arnie

  4. #44
    Boolit Master
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    Instead of the Tula primers I use Unix nato spec and they seem to work as well.
    jim

  5. #45
    Boolit Man
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    I have been making some fine progress with Cast Boolits and the M1 Garand. It has been an educational experience to say the least. I have one more clip I want to shoot at the range to confirm the load, and if it is good, I will post the results. I feel pretty confident that the load is good, but I have been wrong before!! Hopefully, the end of this week, I will have the results.

  6. #46
    Boolit Bub
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    I have used the "Bob S." load for years in CMP Highpower events and it is hard to beat, certainly shooting as good as M2 ball if not better. Over the years, I've come to settle on 40 gr. of IMR4831 with either the Lee 200 gr. bullet or the RCBS 200 gr. Sil. bullet over a tuft of Dacron and a Win. or CCI primer in a LC military case. For some reason, I get better accuracy with old, military surplus 4831 than I do with the new stuff. Also, I have used 40 gr. of Accurate 3100 when it can be found and it seems to shoot a little tighter than the "Bob S." load in my 1953 International Harvester "cornbinder" Garand.

  7. #47
    Thanks for sharing your data. I found 311299, sized to 0.311" with 36-37 gr of 4895 works very nicely in my Garand. I haven't done any bench rest shooting with it to determine accuracy but it seems to group quite nicely.

  8. #48
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    My load is: 34.5 gr H4895, Lyman 311299 sized to .311 and lubed with WL 2500+, CCI 34 primer, LC68 brass. This gives right @ 1900fps in my H&R Garand. It cycles reliably and is very accurate.

  9. #49
    Boolit Master
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    Thanks for keeping the thread energetic while I was gone.

    Primer choices I believe are optional to be honest and don’t matter so much. I would prob advise away from softer ones such as federal.

    These garlands can do such great things w cast and I believe keeps us shooting back on budget.

  10. #50
    Boolit Master
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    If it works, it works so just curious here. I had thought that the real slow powders like 4831 would bend the operating rods? Is it because your load is not as stiff as a jacketed round? I' m anxious to try out my Garand with cast and have a bunch of IMR and H varieties of 4831. If I got it right, the Hodgdon stuff is the slowest. Have loaded J-words with 4064 and 4895 and that's the limit of my experience. Would just like to shoot the Garand more as it's so easy on the shoulder even with full power loads. Have the 311284, 311290 and 311299 moulds. The 311290 is very accurate in my bolt action guns and it's a 4-cavity mould so I could cast up a lot in a hurry. That would be my first choice if it is suitable for crimping in the right place for correct oal to feed in the Garand.

  11. #51
    Boolit Bub
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    The slow powders will probably wreck the operating rod at full jacketed bullet speeds. I have had good results with IMR 4831 and Accurate 3100 with the Lee 180 and 200 gr. rn bullets as well as the 311041. I used CCI military primers and a 1/4 sheet of TP as a filler. The 3100 loads left a lot of unburned kernels in the barrel and chamber causing dented cases and powder left in the action. I only went up to 38.0 grains so it would probably have cleaned up if I had gone a grain or two higher. All loads from 36.0 to 38.0 grains produced groups about half the size of what I get from LC surplus loads. The 311041 bullet really did well over 4831 at 39.0 grains producing 2123 fps and groups half the size of the other loads. You can tell the action is kinda ideling along, piling the brass up 2-3 feet out.

  12. #52
    Boolit Man
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    Here is what I have so far with my Cast Boolit load for the M1 Garand...
    Click image for larger version. 

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    The load info is 36.9 grs of IMR 3031, NOE 311299 boolit cast from Lyman#2 and water quenched, Hornady Gas Check, Sized to .310, Lyman Alox (NRA) lube, WLR primer, LC68 Brass, 3.295 OAL, Partial FL Sized.
    First shot was fouling shot, and the rest grouped pretty well for my old eyes, although I prefer no fliers, LOL.
    I will try this load again to confirm repeatability. Action works flawlessly, and no slam fires using the WLR primers. If these results are repeatable, I will chronograph the load and consider my development completed... we shall see.

  13. #53
    Boolit Master
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    Just going by what I'm seeing, I wonder if the .309" sizing might be causing your leading issues. These other guys are getting pretty good results it seems but sizing bigger. Might be worth a shot to try .310" or .311". Soon as I get a chance, I'm going to cast up some 200+ gr. Boolits & give my Garand a go.

    All this good info narrows things down. Thanks everyone!

  14. #54
    Boolit Master
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    Quote Originally Posted by 15meter View Post
    I use 37 grains of H4895 under a gas checked RCBS 30-180. It's gas checked, sized to .310.

    Cycles in four different M1's with good accuracy in all of them and no leading.
    I loaded up 500+ a couple of months ago, hope I have enough to last through the shooting season.

    Considered trying the Lyman 31141 boolit but I ran out of 06 brass. Next reloading season I'll probably give it a try.

    This load plus 400 loaded with either 16 grains of 2400 or 14 grains of Blue Dot ran me out of empty brass. The light loads are for the 03A3.

    An earlier poster commented on leading with a Lee boolit sized 309, I'd be curious if sizing at .310 would help.
    Didn't see your post and just asked the same question. I know one thing for certain, undersized boolits caused severe leading in a different gun of mine. Bought those at a gun show. They melted down and made bigger boolits "silver alloy" and all. I still keep a couple around just in case the werewolves start causing trouble.

  15. #55
    Boolit Master
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    Quote Originally Posted by varminter66 View Post
    It's a good question AlaskaMike... I have found better accuracy in my Garand by sizing the case to "drop in" the chamber... it's very near full length, but just short of setting the shoulder back... with the low pressure associated with the caste boolit loads, if I FL resize, I will have more head space than I care for. I would not define my chamber in my Garand as "tight" by any means.... my Garand has been used very hard in the past... I should probably spring for a new barrel sometime.

    After I switched to a WLR primer, slam fires ceased. The Winchester Primer also required more powder to get it to function the action with a full clip. Accuracy was great if I want to shoot it as a single shot. but that is not my goal. 31 grs of Reloder 7 came very close to functioning with a full clip (8 rounds) in my rifle... Just about every time, the first 2 rounds required my help to feed, after that it cycled the rest of the clip. If I went beyond 31 grs, accuracy fell apart. It's close, but not quite what I am looking for at 100 yds.... soooo

    I have an old load I am reworking using IMR 3031 powder... it was worked up using the Federal primers, and had some slam fires that time too... so I will rework it with the WLR primers, and see what happens at 100 yds.

    Reloder 7, in my rifle just comes up a tad short for my satisfaction.... but it works great in my 03A3 and 35 Whelen bolt actions... a very good powder for cast boolits... just not in my Garand.
    I had some great success with RX 7 in my first go at cast boolits shooting in a .30-06 but that's a topic for another thread.

  16. #56
    Boolit Buddy
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    I have killed plenty of deer with the Lee 309-200 over 35grn of H4064 it shoots about 3 off hand out of MY parts matching 43Winchester garandClick image for larger version. 

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  17. #57
    Boolit Man
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    Same load as above, EXCEPT 1/10 grain less powder.... a little change makes a big difference... I will keep working on it.Click image for larger version. 

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  18. #58
    Boolit Master
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    I load PC boolits at minimum charges of IMR3031 to cycle both my M1s.
    Left is 37g behind NOE-311-150SP (153g) & next 2 are 34g behind Ideal 311413 (171g)
    Brass ejections at around 3 o'clock-ish which is easier to pick up than loading fast & eject way upfront.
    Gotta love them cmp shooters.
    Click image for larger version. 

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    ...Speak softly & carry a big stick...

  19. #59
    Boolit Master
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    I could never get the 311413 to shoot but never tried 3031.

  20. #60
    Boolit Man
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    Sig556, those groups are awesome.... I sincerely doubt I will be able to match those with my shot out barrel. Maybe I should try a lighter boolit. I was thinking of buying a mold with larger bands farther up to the mid section of the boolit. the 311299 boolit design does not give much support for the middle section of the boolit while in the barrel.

    IMR 3031 powder is quite a versatile powder!... especially with Cast Boolits.

    Thank you for sharing those pics!!! Very nice!!
    Last edited by varminter66; 02-21-2020 at 01:25 AM.

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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