300 Blackout, 220gr AAC OTM Subsonic Precision Factory Load Testing

[Moparman485]

Attached are the results from the 300 Blackout, 220gr AAC OTM Subsonic Precision Factory Load Testing.

 

[GlockPride]

Nice! Quite a bit of velocity variation between shot 2 to 5. Really started dropping. I wonder why. Any insights or thoughts on that?

Also, will you be testing these in an 8-8.5” barrel like the good Lord designed .300BO to be shot?

 

[Moparman485]

I’ll likely only be testing these in my 16 inch barrel, like I preferred my subsonic 300BO to be