Ballistic battle of the .30's

[Michael]

Just received a Labradar. I'm interested to see the difference between ballistic coefficients. 

From left to right:
JSB 50g
JSB 44g
H&N 46g
Predator Polymag 44g

I'll be using the EDgun Supermagnum with a 28" Lothar Walther barrel 1:16 twist rate.

 

[Brian10956]

I had inquired about the Labrador use with airguns I was told it works well but an adapter is needed
see below

LabRadar works great with air guns. You will need the Air Gun Adapter ($45.00). since the sound of the shot from most air guns is not enough to trigger the radar to start working, you need this very sensitive mic.

 

[Michael]

"Brian10956"I had inquired about the Labrador use with airguns I was told it works well but an adapter is needed
see below
LabRadar works great with air guns. You will need the Air Gun Adapter ($45.00). since the sound of the shot from most air guns is not enough to trigger the radar to start working, you need this very sensitive mic.

Yup, I got the mic!

The whole unit was pretty expensive but I got it for 2 reasons.

1. I feel that ballistic coefficients are an important part of long-range shooting.
2. I can't use a regular chronograph after 2pm because of the shade & location of my shooting shed.

 

[RomeoAlfa]

@michael nice! I am interested to see your results!

@brian10956 I use my Labradar with the Airgun mic but you can also use it in Doppler mode without the mic. Doppler mode looks for projectiles in the path of the radar. The only downside is it doesn’t catch the shots right at the muzzle it is usually a few yards down range. I would definitely recommend the mic if you can get it.

 

[PelletPusher]

Wow Michael, looking forward to the results! 

 

[YamahaR1]

This will be interesting to see, I personally love the .30 cal it's one of my favorites to shoot. Really looking forward to your results. Good Luck!

 

[txrpls]

Just received my .30 cal barrel yesterday and I also have the LR. It would be interesting to compare notes.

 

[RomeoAlfa]

I calculated a BC of 0.047 for the 44.75gr using the Labradar. This was shooting out of a smooth twist x barrel at 840fps.