Velocities of ammo thorugh my 12.5 barrel

[TheDutchman]

Here are some velocities from my Denny’s 12.5 Operator barrel 1/7 twist with no suppressor.Not my chrono, owner of the chrono measured what look to be about 15 feet, temperature was 99 degree's and a elevation 1000 feet. Q3131 is smoking through the 12.5.

Winchester Q3131 55gr 5.56mm 5 shots
1. 3004
2. 3026
3. 2943
4. 2996
5. 2986

High-3026
Low-2943
Average-2991

Winchester 62gr 5.56mm 5 shots
1. 2899
2. 2898
3. 2933
4. 2898
5. 2912

High-2933
Low-2898
Average-2914

Black Hills 68 OTM .223 Blue box 4 shots
1. 2551
2. 2585
3. 2559
4. 2531

High-2585
Low-2531
Average-2556

Black Hills 75 OTM .223 Red box 5 shots
1. 2503
2. 2519
3. 2510
4. 2529

High-2529
Low-2503
Average-2515

[markm]

Q3131 is smoking through the 12.5.




Yeah it is. That's a pretty good velocity.