22 inch. barrel as i was always going to suppress and thought that it would be a good length vs handiness.
180gr AB. 61grs AR2208 = 3025 fps
225 Fusion 63grs AR2209 = 2700 fps
250gr RN 61grs AR2209 =2550 fps
I havn't tried other powders and maybe i can improve on these but they shoot well and go fast enough so i might not even try
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