Have you seen your chrony do this before?

[358Hammer]

http://i311.photobucket.com/albums/kk460/emeraldislandlover/001-8.jpg

http://i311.photobucket.com/albums/kk460/emeraldislandlover/002-5.jpg

http://i311.photobucket.com/albums/kk460/emeraldislandlover/003-1.jpg

Today could not have been a better day. Finally found time, Weather and my wife all together at the same time to finish load testing of the 224 minicoop.

26" light varmint Benchmark 3 groove Nitrided 224 minicoop barrel on a Savage Rifle action!!! ( was 338)
I guess the stock is a Savage? It fit this very old Savage action perfectly.
I was shooting 36gr barnes bullets today along with 45gr Barnes solid brass bullets. Some others that I need not mention as when I shot them the chrony kept reading ERROR! I was also missing holes on the paper HUUUUUUMM

In my barrel any way I took it to 58grs Rel 17 behind the 36gr Barnes. The 4910 velocity was with the 45 gr bullet.

Neal

[hotbrass]

With a couple more grains of RL-17, you could probably achieve escape velocity! ;)

[dcloco]

224 Minicoop?

[358Hammer]

http://i311.photobucket.com/albums/kk460/emeraldislandlover/224minicooppicture.jpg

6 Remington on left. Minicoop next followed by two loaded Minicoop, 270 Win and the start of it all-- 338 Cooper express Ala Gibbs. Which originally was based upon the 7X65R case for break opens. Now it is either a 280 Rem RWS or Nosler case. 30 degree shoulder on the mini and 35 on the larger case.

Neal

[jonbearman]

Is this a laser beam or what,LOL Never seen velocitys like this before.What is the barrel life expectancy?

[Nor Cal Mikie]

Probably about 200 rounds, if you're lucky! ;)

[Con]

Highest I've seen is 4700fps from a 220Wilson-Arrow shooting 36gr Varmint Grenades through a very tired barrel. You sure its not blast intefering and being counted?
Cheers...
Con

[GaCop]

How far is the Chrony set up from the muzzle? The Chrony chronographs are sensitive to muzzle blast and will give erronious readings. I have the Master Chrony and it gives me weird reading if its set up too close.

[Cover Dog]

Is this a laser beam or what,LOL Never seen velocitys like this before.What is the barrel life expectancy?


Barrel was gone after the 2 pictures of the crony.

[358Hammer]

That was funny Cover Dog!

I would be very surprised if I ever wear out the barrel. With the Nitride finish we have self lubricity and very low temperatures. That little bitty bullet never generated any felt heat on the barrel. I shot a bunch and the barrel temp never changed from when I shot the first round. I alternated between a lot of other stuff so all barrels stayed cool.

Chrony was actually working perfectly at 25 feet. I had to move the chrony back years ago when I started shooting the 378 and 460 Weatherby cases from a 17-19" handgun barrel. Was getting some weird readings if it read at all @ 15 feet from the muzzle.

Neal

[TonyBen]

My CED chrony has given me errors at 10 feet from the muzzle with my 308. I moved back to 12 feet and errors stopped. Overcast days will cause problems too. I am considering getting the IR skyscreens for my CED. It would work better here in the PNW.