Slimjim,
That is very similar to what I do. I like to make sure it gets tested over a wide range of weather conditions. I shoot a five shot group into a double target take the front one down and place a new target over the rear one - carefully aligned Clean the rifle and fire 5 more rounds. I change targets twice more so I have four 5 shot groups and a 20 round aggregate. I'll shoot that regimen over the course of a year - cool, wet, hot, and dry and compare the aggregate targets. After that I fire a couple of rounds before I clean it to take it hunting.

PaulS wrote:

I'll shoot that regimen over the course of a year - cool, wet, hot, and dry and compare the aggregate targets. After that I fire a couple of rounds before I clean it to take it hunting.

Paul, didn't you mean to say you fire a couple of rounds AFTER you clean the rifle before you take it hunting? The point of impact of my rifles with a clean bore is different than a fouled bore which results in a significant miss distance at the ranges I have to hunt pronghorn and elk at.

Nope. The impact with a clean bore is the same as with the next four shots and it stays there until it gets too dirty. It is a rifle that has had many rounds through it.

Interesting, I did a very deep cleaning on my wife's hunting rifle. We took it out and did a 10 round break-in string with a load I was working up. I found while accuracy was ok for break-in, what startled me was the velocity change.

The first shot was the slowest, second was fractionally faster than the first. Each subsequent shot got faster and faster until it stabilized around shot #8. The final 3 were in the expected velocity range for the load.

It certainly is going to be a gun specific phenomenon, each barrel is different. Some may indeed work great being spotlessly clean, Most of the guns I have like it a bit dirty.

-DallanC

DallanC wrote:

Interesting, I did a very deep cleaning on my wife's hunting rifle. We took it out and did a 10 round break-in string with a load I was working up. I found while accuracy was ok for break-in, what startled me was the velocity change. The first shot was the slowest, second was fractionally faster than the first. Each subsequent shot got faster and faster until it stabilized around shot #8. The final 3 were in the expected velocity range for the load. It certainly is going to be a gun specific phenomenon, each barrel is different. Some may indeed work great being spotlessly clean, Most of the guns I have like it a bit dirty. -DallanC

You will probably find that a bit of fouling in the bore increased pressures a little...increased pressure would equate to increased velocities mate.

Maybe Vince but I have seen that happen after a deep clean and it usually was because I had re -exposed any roughness in the bore and it took a few shots to lay down a little copper over those spots and make a uniform surface in the bore. Bore scopes are the Devil. They let you see things you cannot unsee.

Deleted_User_13284 wrote:

Sorry ar2219 is the powder

apparently you have not tried LVR and 120 matchkings

I have an AR upper built in the 6.5 Grendel but LOVE shooting my break-actions
My contender barrel is a Coyote Guns and Accessories but my encore barrel is a very special MGM! 24" and uniquely routed with a spiral of stars inset pattern.

I like a slow burning ball powder, so I go old school, H380.

I made the buttstock from a blank of walnut with some boxwood accent and the forearm from a stick of walnut to compliment
I don't understand why you need all those bullets
I've found that it's only the first one that matters

Gemihur…I want one mate, that is one of the nicest guns I’ve seen in many a long day. The wood in the stock is beautifully grained and looks amazing.

I’d love one in 3030 Win or maybe 308 Win (factory rounds easier to find).

I make my own furniture now that I've retired from the rat race
Thank you for your compliment, Vince.

OK, show off, so ya got two of them…ya lucky bugger. Did you have the wooden furniture custom made or buy it ready made…it’s beautiful grained wood on them both mate.

I cut 'em an carve 'em an sand, sand, sand, man!


Last one is a 308 Bellm

WOW…you have quite a collection of TC rifle Carbines mate…I’m jealous. You’ve done a fantastic job on the woodwork too…it looks great, especially the pistol grip stocks.

Forearms are much easier than the inletting required for a grip or buttstock
Contenders are easier than Encores
I just recently finished my first set of Encore pistol furniture

Sweet little cartridge, the Bain & Davis, got a bit of snuff more than the maximum, and the barrel shown is nearly 14"

When I was lucky enough to own a TC Contender (10” BBL in 30.30) I fitted Hogue Grip and Forend in place of the factory furniture…it made a terrific difference to the comfort of shooting this cartridge and also the accuracy. Then the Toxic Turd bought his Gun Laws into play basically making it far too difficult to maintain a Pistol Licence.