.357 mag loads for 4" K-frame

Discussion in 'Ammunition & Reloading' started by GuyBMeredith, Apr 30, 2017.

Tags:
  1. Certaindeaf

    Certaindeaf
    SE Portland
    Well-Known Member

    Messages:
    11,123
    Likes Received:
    16,987
    I think you can get eight pounds a Promo for a dollar.




















    not really.. probably like $80, didn't check
     
  2. RVTECH

    RVTECH
    Wickiup Junction
    Well-Known Member

    Messages:
    5,083
    Likes Received:
    5,373
    What is 'Promo' ?
     
  3. mcfoto

    mcfoto
    Newberg
    Well-Known Member

    Messages:
    254
    Likes Received:
    296
    There's a recent thread on the S&W forum regarding .357 mag in a K frame. The poster there bugged up his 66 shooting too much mag. When he sent it back to Smith, they advised ".38 sp for target, .357 mag for defense."
     
    bbbass and ageingstudent like this.
  4. RVTECH

    RVTECH
    Wickiup Junction
    Well-Known Member

    Messages:
    5,083
    Likes Received:
    5,373
    Not so much wearing it down but cracking the forcing cone on the K frame .357s due to the relief cut on the bottom of it. There are cases of the forcing cones cracking but a lot of it was the hyper velocity 110 grain bullets loaded to the max in the early days 'prove' the value of the .357. Also there were some 'special' loadings of .38 Special that were intended for LE only for PC purposes so departments could 'say' they were using 'only' .38 Special - but were in fact like +P+ or higher. Rule of thumb is no steady diet of full house .357 and then only 158 grain or heavier bullets and keep the lighter bullets to .38 Special levels in the K frames.
     
    bbbass, 2ndtimer and ageingstudent like this.
  5. 41rem

    41rem
    Wetside, WA
    Member

    Messages:
    27
    Likes Received:
    14

    This. Or go with AA #7.

    You want a medium burn rate powder under those 158 grain bullets in your M66, will give you a complete burn with decent pressure & velocities.


    41
     
  6. taroman

    taroman
    Willamette Valley
    Active Member

    Messages:
    294
    Likes Received:
    141
    Power Pistol serves me well for less than top power blasters (which really shouldn't be used much in a K). Up to about 1100 FPS. 6.5 grains makes a nice, comfortable 158 grain load, around 1000 FPS.
     
    scrandall01215 and 2ndtimer like this.
  7. scrandall01215

    scrandall01215
    Washougal,WA
    Well-Known Member

    Messages:
    613
    Likes Received:
    570
    I like it with 125gr. Bullets myself!

    Stacy
     

Share This Page