Got some velocity data on the Hornady 123gr SST, and the Tula 124gr FMJ, using the Magnetospeed chrono.

16" barrel, carbine gas system, 75F.

Hornady 123gr SST:
2346
2372
2388
2382
2363
average: 2370


Tula 124gr FMJ:
2409
2424
2464
2481
2442
average: 2444



[Linked Image]