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Just tried some more subsonic , 220gr SMK ,

9.3gr of WC296 , 997fps Av

9.4gr of WC296 , 1007fps Av

All cycle the rifle good , no problems , used the holosun & 3x , worked good .

Yeap ,

I brought this brass , I did not make , it , IF I had it would be much better .

Yeeap ,

Just shoot the 300blk for the 1st time today , using 9.5gr of Belmont ( WC296 ) & 220gr SMKs , speed is 1050-1098 fps, and it cycles , but the converted brass I am using is in short...

Yeah ,

Thanks Guys , I will pick up some powder from Belmont tomorrow ,

Hi Guys ,

I am after a powder/load for 220gr SMK at subsonic speed , that will cycle a AR15 , thats running a pistol gas tube lenght , I know in the USA the go to subsonic powder is AA1860 , but I...