A couple cleaning questions!

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Chamber size.
Whether a stouter neck that allows bypass or more voluminous body reducing pressure. Throat and leade will change pressure as well.
Different powders will leave varying amounts of soot.

A semi auto's timing is a variable too.

I am under the impression they are the same caliber.
thanks. Just wanted to make sure something wasn't wrong with the rifle. When I use the Hornady OAL tool to check where the lands is its got an extremely long throat where the bullet almost falls out of the case. I thought that was a little extreme but its my coyote rifle so only gets shot a few times a year so I don't try to wring out all the accuracy.

Yes same caliber-223rem bolt guns.
 
One of the best by-products of handloading are finer accuracy and cleaner firearms without even trying.
You got my curiosity now. Would handloading make it cleaner because of the type of powder or the brass/bullet being fitted to the gun?
 
IME, a corroded barrel will never come fully clean, and will always send back dirty patches. But
a barrel which isn't allowed to corrode usually cleans up fairly easily. I find things go more easily
if I oil the barrel at the end of the cleaning, then also run a oily patch thru the bore before the cleaning.
It seems the oil gets under the dirt, and allows it to be removed from the barrel more easily.

With older, corroded barrels, I've gotten used to doing a quicker cleaning, then running a final patch of oil down
down the barrel. Pipe's half gone, anyway, excessive cleaning is just going to run down the rifling and the crown.
 
I see a huge difference in 223 factory ammo compared to my home rolled, the majority of 223/5.56 factory ammo is filthy and poor shooting unless you are buying factory premium ammo at close to a buck a pop, last summer I ran out of my home rolled and bought some factory ammo for me and my boy to hit the range with and I noticed how bad factory ammo is right away and was surprised that my 13 yr old asked my whats wrong with this ammo ,
target groups opened up , fired brass filthy, factory ammo was federal and Remington ,
thats why I ask in the beginning of this thread on your ammo type and brand ?
all ammo is not created equal,
 
When I use the Hornady OAL tool to check where the lands is its got an extremely long throat where the bullet almost falls out of the case. I thought that was a little extreme
I thought in the past you have said both of your your Savages had a short throat and had to load shorter then the manual said. ?
 
I thought in the past you have said both of your your Savages had a short throat and had to load shorter then the manual said. ?
Nope just the heavy barrel. With the regular barrel i could go way past book OAL. I generally load the reg barrel at the 2.250 (book spec)
 
Well I ran into a new one today and figure see what you guys thought. I started to clean my 9mm handgun barrel last night and used a bore mop with steel insert soaked in Boretech Eliminator and got busy doing other things so it say in the barrel all night. I woke up and said ill go finish it and figuring it was dry so I soaked the mop again and shoved it in there and the whole mop came out bright blue! I then brushed the barrel and ran several patches through it with a jag and just got the normal black powder stripes on the patch so I switched from the nylon type patches to a tight cotton t shirt patch and got a hint of blue and black was gone so I got curious and rinsed and dried the mop and put eliminator on it again and ran through the bore 2-3 passes and it turned blue again! I shot about 500 plated and ran Hopps #9 in it last and obviously the mop is tighter so its getting everything so it got me thinking why even use jags and patches when obviously they don't get everything?

I couldn't believe how much blue I had on the mop I will definitely be cleaning this gun a lot more. I am very impressed the eliminator got what hopps didn't.
 
I am definitely in the clean it after accuracy drops off or function problems category. I also find that as the barrel has more age on it the cleanings become more spread out. Also the cleaner you get the barrel the more fouling shots it takes to settle down.
A long time ago I read a story that after WWII the factory workers that hand lapped the precision military rifle barrels at Mossberg were shifted over to hand lapping .22 rimfire barrels to keep them employed longer. I own three examples of those post war Mossberg .22 rifles (1946-48 vintage) and they are the most accurate and easy cleaning rifles I own no matter what ammo I use in them. So there is something to this I feel, but I just shoot jacketed ammo and clean frequently to break in my barrels on new firearms. Used ones get cleaned, shot one trip at the range, and cleaned again/evaluated to see where I want to go with them. Nothing I own presently is worth the Tubb treatment but if I ever get the long range bug I will be firelapping my barrels for sure.
 
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