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Thread: 22 BR From 7 BR Brass

  1. #1
    Boolit Master

    Johnch's Avatar
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    22 BR From 7 BR Brass

    I am trying to help a friend
    He just had a older Rem Model 7 rebarreled to 22 BR with a heavy barrel
    As he has plans of a moderate range ground hog rifle

    Problem he says he is having is finding 22 BR brass , I have not looked

    But I have some 1X fired 7 BR brass for a XP 100 I sold that I will trade with him

    So I know you can convert 7 BR into 22 BR ( I have never looked into doing it myself , or know what it takes to do it )
    But is it a easy job to do ?
    Or should he just either find 22 BR brass or maybe 6 BR brass to convert


    Thanks
    John
    Yea, thou I walk through the valley of the shadow of death, I will fear no evil; for thou art with me; Thy rod and thy staff, they comfort me.
    And I carry a LOADED Hell Cat

  2. #2
    Boolit Grand Master


    stubshaft's Avatar
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    It's a pretty big jump from 284 to 224, It would behoove you to size down to 6mm (BR) first then form to 22 BR. You WILL have to turn the necks unless your friend requested an extremely large neck.
    Old enough to know better, young enough to do it anyway!

    Men who don't understand women fall into two categories: bachelors and husbands!

  3. #3
    Boolit Grand Master
    rockrat's Avatar
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    Second that on going to 6mm Br. then down to 22 Br. Its how I do it, unless I am starting with 6mm Br. brass. I do have to turn necks. Tell your friend to get some AA2520 powder and some 53vmax or 55 sierra BK's and have at it. IIRC, I can get a bit over 3800 with the 53 vmax out of a 23.5" barrel, bit more if you have a longer barrel. If the barrel has a fast twist, the 53 vmax might not survive the trip downrange, too much rpm on the bullet. The 55 SBK MIGHT survive. Mine is a 1-12" twist (rechambered/shortened 223 rem barrel)

  4. #4
    Boolit Master

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    Thanks

    I told him to read the forum and learn

    But yesterday he found Laupa 6 BR brass and ordered 100 cases
    LOL I am sure the brass was not cheap
    But it should be good brass

    John
    Yea, thou I walk through the valley of the shadow of death, I will fear no evil; for thou art with me; Thy rod and thy staff, they comfort me.
    And I carry a LOADED Hell Cat

  5. #5
    Boolit Master hoodat's Avatar
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    I've done the 7BR down to 22 with quite a bunch of it. I created an intermediate step by shortening a 243 sizer die, and using it in between the 7-22 stage. The neck, shoulder looked kind of funky until after the first loading/fireform shot, but actually that fire form shot was accurate and fine for squirrel shooters.

    My 22 BR is a tight neck chamber, so neck turning was also part of the process. All said and done it was a hassle, but it's all fun. jd
    It seems that people who do almost nothing, often complain loudly when it's time to do it.

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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