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Discussion in 'Ammunition & Reloading' started by GuyBMeredith, Apr 30, 2017.
I think you can get eight pounds a Promo for a dollar.
not really.. probably like $80, didn't check
What is 'Promo' ?
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."
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.
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.
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.
I like it with 125gr. Bullets myself!