Ruger 556 MPR - Green Tip Muzzle Energy

Full comparison...
AR 18" Energy 1222 momentum 26
AR 16"  Energy 1154  momentum 25
AR 10.5"  Energy 930 momentum 23
AR 7.5"  Energy  640 momentum 19
62 gr Green Tip

300 aac 10" energy 1002  momentum 37
AK-47 16" energy 1331 momentum 38
AK-47 10" energy 1155 momentum 35

44 mag Energy 722 momentum 40
245 gr  8" barrel

454 casull  8" energy 1241 momentum 51. 230gr

500 s&w  8" energy 1834 momentum 77

tula 115 gr steel case
glock17   4.5 inch  vel 1181 Energy  356 mo 20
AR  4 inch  vel 1150  energy 338 mo 19
AR 7.5 inch vel  1254 energy 402 mo 21
AR 10.5 inch vel 1296 energy 430 mo 22
AR 16 inch vel 1336  energy 456 mo 23