22 ARC subsonic ???

[mr.big]

Can't find any load data, the case holds 34 grs water and the 223 is about 29,, I have loaded the 223 with the 69 SMK and Blue dot at 1025 fps ,, may try that but would like to find some data first.

 

[mike243]

Bolt action or gas?

 

[mr.big]

Bolt action or gas?

Bolt. 7 twist

 

[WestTN2288]

Which bullet?

 

[mr.big]

Which bullet?

Anything 69 or heavier