300blk 230gr 5R Lee Cast. Recipe exchange anyone?

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Just looking to poll the audience and see if anyone is loading these.


Worked from 8.8gr to 12gr H110 to get bolt hold open and reliable feeding with 7.5" pistol length barrel.
Haven't ran it over a chrono yet but I'm confident its super.

Looking to get a cycling subsonic ideally for plinking enjoyment but most posts I've googled are American and have a can for backpressure. Uno' bastardos.



Thanks for your time.
 
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Now that I've sold my M1 Carbine, 500 S&W, and 44 Mag, I don't use H110 anymore. I found it is great when used in max loads in a limited number of applications, but not when downloaded.

H4198 and SR4759 are about all I use for cast bullets anymore - from "Powder Puff" to "Full House". They work very well over a wide range of pressures.

I have not shot that bullet in the 300 BLK, but have in 7.62X39 subsonic, and H4198 was a good choice - no filler required.
 
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