12.5 inch barrel vs 13.7 inch barrel velocity

[1168]

Finally got to the range

11.5" Expo Heavy barrel with Banish 223 suppressor
55 TAP reload 2700
55 FMJ reload 2570
75 Hornady reload 2270

12.5 BCM cutdown Gov mid w/YHM T3
55 Tap 2833
55 FMJ 2678
75 Horn 2457

13.4" BCM cutdown mid ELW w/YHM T3
55 TAP 2810
55FMJ 2767
75 Horn 2477

14.5 BCM ELW mid w/YHM old TurboK
55 Tap 2904
55 FMJ 2773
75 Horn 2500

16 Green mountain mid unsurpressed new barrel
55 Tap 2929
55 fmj 2824
75 Horn 2511

18 WOA 3 gun interm gas w/YHM Turbok
55 Tap 3100
55 fmj 2960
75 Horn 2643

My TAP load is a 55 vmax with 24.7 Benchmark

My 55 Hornady FMJ is 25 XBR for matches

75 Hornady is over 24 varget or 26 CFE 223.

That’s much more in line with expected results.