Barrel speeds after a few hundred rounds?

[BP1]

On average how many fps have most of you witnessed a barrel pick up from when it was new?My new bartline is running 2750 right now with the 90gr vld hoping to see 2800-2825.It's shooting real tight right now just would like to see it speed up I have about fifty rounds Thur it right now.Barrel is 30".

 

[skiutah02]

On average how many fps have most of you witnessed a barrel pick up from when it was new?My new bartline is running 2750 right now with the 90gr vld hoping to see 2800-2825.It's shooting real tight right now just would like to see it speed up I have about fifty rounds Thur it right now.Barrel is 30".

If yours is a 1:7 I have 2 same as yours shooting 90vlds also. One did 40 fps increase after 150 rounds the other 70 fps after 150 rounds. I had to retune both after speed increase. Drew

 

[swd]

My last one sped up right in the middle of a match at around 175 rounds. Picked up about 70fps. I got back home and chronoed it and was happy to know I wan't crazy...

 

[savagedasher]

Mine hasn't changed but the have been JB before I started . Larry

 

[Northridge]

For me 30fps to 80 fps on average and about 80 to 160 rounds barrel will settle in and velocity gains will stop climbing etc. I personally have seen this across the board with both button pulled rifling and single point cut rifling applications. Because of this affect I never compete in a match of any kind unless the barrel has a couple hundred rounds on it as to reduce chance of rifle coming out of tune over the course of a match. If You find a spot your barrel likes to shoot while running barrel in, you can fine tune back to that same velocity after velocity increase is done climbing and you will likely be shooting as well or better at that location.

Shawn Williams

 

[jsthntn247]

My .223 barrel currently takes .8gr less to achieve the same velocity as it did when I first worked a load up when new.

 

[BP1]

Thanks fellas.