>>64000193
THERE GOES MY HERO

just got back from the range, testing out the Athlon Rangecraft chrono. It's the only chrono I've ever used but it seemed to work well. Picked up all the shots as long as I was within 10" of it. Got some numbers finally for this bullshit I've been shooting -
16" is a Delton rifle length gas
13.9" is g$ (barrel was purchased individually, not part of a super duty upper. Although it is also in a super duty upper, that was purchased separately).
ZSR had the same lot# on every box, 223 reloads came in a plastic bag (did not have a lot #), winchester was purchased this year and the rest was purchased last year.

>16"
.223 Reload 2nds 55GR
AVG 3,104.8 FPS
SD 42.9 FPS
ES 126.3 FPS
KE 1,170.0 FT/LBS

5.56 ZSR 55GR
AVG 3,059.2 FPS
SD 62.8 FPS
ES 182.4 FPS
KE 1,142.7 FT/LBS
lot# ZSR22h010-001

>13.9"
.223 Reload 2nds 55GR
AVG 3,041.0 FPS
SD 45.5 FPS
ES 126.3 FPS
KE 1,129.1 FT/LBS

5.56 ZSR 55GR
AVG 3,054.1 FPS
SD 49.5 FPS
ES 161.7 FPS
KE 1,139.0 FT/LBS
lot# ZSR22h010-001

5.56 Winchester 77GR OTM
AVG 2,458.1 FPS
SD 21.8 FPS
ES 71.2 FPS
KE 1,032.9 FT/LBS

5.56 AAC 77GR OTM
AVG 2,599.6 FPS
SD 12.7 FPS
ES 36.7 FPS
KE 1,155.3 FT/LBS
lot# SCL1CK271

5.56 SABRE 75GR bal. tip
AVG 2,592.4 FPS
SD 12.7 FPS
ES 40.0 FPS
KE 1,119.0 FT/LBS
lot# SCL2CF081

5.56 AAC 75GR BTHP
AVG 2,502.7 FPS
SD 18.9 FPS
ES 56.1 FPS
KE 1,042.9 FT/LBS
lot# SCRLCG112

>>63924682
in