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Thread: 7.62X39 cast in AR-15 rifles/

  1. #21
    Boolit Grand Master Texas by God's Avatar
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    Good news/ bad news. I jerked the trigger at #4 of 7 here. They will shoot! Unfortunately they won't feed. I have some proper profile boolits on the way, but I tried this hunting boolit first for grins.

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  2. #22
    Boolit Grand Master Texas by God's Avatar
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    WELL...... I seated them out to 2.05" but most importantly used a good magazine! I got two new Midway mags and one is going back. I ran these thru like goose grease and I like it. 40 yards, 10 shots.

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  3. #23
    Boolit Grand Master Texas by God's Avatar
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    I've loaded some more with the same powder charge of the OP- 25grs of 3031- a favorite 30-30 load. I think I've found my hunting load. About 2000 fps according to Hornady.

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  4. #24
    Boolit Master



    Crash_Corrigan's Avatar
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    Winchester M1: If you ever have a untreatable attack of stupid you have a ready buyer for that rifle right here in Las Vegas. That is excellent accuracy in any rifle but more so with a Ruger Ranch Rifle. HooRah!
    Pax Nobiscum Dan (Crash) Corrigan

    Currently casting, reloading and shooting: 223 Rem, 6.5x55 Sweede, 30 Carbine, 30-06 Springfield, 30-30 WCF, 303 Brit., 7.62x39, 7.92x57 Mauser, .32 Long, 32 H&R Mag, 327 Fed Mag, 380 ACP. 9x19, 38 Spcl, 357 Mag, 38-55 Win, 41 Mag, 44 Spcl., 44 Mag, 45 Colt, 45 ACP, 454 Casull, 457 RB for ROA and 50-90 Sharps. Shooting .22 LR & 12 Gauge seldom and buying ammo for same.

  5. #25
    Boolit Grand Master Texas by God's Avatar
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    I was astonished at WinchesterM1's accuracy- until I realized he was referring to a Ruger American rifle- NOT the Mini- 30 ranch rifle!

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  6. #26
    Boolit Buddy JMax's Avatar
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    I just got an ARStoner upper in 7.62X39 from Midway plus a few 10rd mags and a 30 rd for fun. I use a lee 312-155 aluminum gas checked sized to .312" using Lyman moly lube OAL 2.145". I have IMR4227 and my accuracy load for my CZ527 is 15 gr of IMR 4227. I got reliable cycling with loads down to 14 gr of 4227 in 10 rd mags but best performance at 15gr using a 30 rd mag. With 500+ rounds of casting just run a dry patch down the bore and it a mirror. Groups were running under 2" at 50 yards until my dot sight decided to stop working. I can pick pieces of clay pigeons all day at 50 yards and pigeons at 100 yards. Too much fun. When I get my dot back I will continue optimizing this combination.
    Last edited by JMax; 06-20-2019 at 08:01 PM.

  7. #27
    Boolit Grand Master popper's Avatar
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    reliable cycling with loads down to 14 gr of 4227 Hmm. 13gr in a BO? After I de-lead the barrel - pushed them way too fast. Been looking for a plinker load under a 145gr PB.
    Whatever!

  8. #28
    Boolit Grand Master Texas by God's Avatar
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    I shot 3 -3shot groups in the microwave heat that is North Texas yesterday. 25grs of 3031 with the C309150F PC'd went 1", Wolf fmj went 1", and dead last at 3"+ was the C312155 with conventional lube plus LLA over 20grs of AA1680. By then I'm soaking wet from sweat so I retreated to ice tea and AC. All shooting done @40 yds on sandbags.
    I. Hate. Summer.

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  9. #29
    Boolit Buddy JMax's Avatar
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    Quote Originally Posted by popper View Post
    reliable cycling with loads down to 14 gr of 4227 Hmm. 13gr in a BO? After I de-lead the barrel - pushed them way too fast. Been looking for a plinker load under a 145gr PB.
    Popper I hope you use a soda can gas check, I use checks on all my gas guns and have no leading.

  10. #30
    Boolit Master
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    Looks like jmax just answered curators question. Conventional lube and a ar15 platform. Let’s pay attention to that folks. The myth debunked.

  11. #31
    Boolit Grand Master popper's Avatar
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    19gr 4227 is a book load but not for soft PB alloy. With harder alloy I get moa @ 100, 2100 fps. Just tinkering here. When you get a puff of smoke & no hole on target, yea, screwed up. Chore boy time. Done it before, this wont be the last
    Whatever!

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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