Accuracy and cleaning rods...

[mikeinco]

navy seal's have a LOWER accuracy requirement
than a lot of "accurate" shooters.
their sniper ammo is spec'd at basiacally ONE MOA.
remember they shoot at "large" targets.....

Before I knew any better I wouldn’t clean but every few years. Shot fine.
Then I was putting a segmented aluminum rod in a drill with a brass brush and some solvent and giving her hell. Shot fine after a few fowl shots.

Bore scope shows the pitting my stock savage barrels have.
Shoots fine.

A clean crown, not nicked or corroded and a stiff action to stock, floated barrel correct ammo seem to make the difference in accuracy.
Not what kinda cleaning rod you jam down the pipe. A few rounds down the pipe seem to smooth out all the ugly.

Navy SEALs hardly ever clean the pipe. “A fouled barrel is more predictable”


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[charlie b]

That much change would scare me too.

Get to know your barrel.

Check how much copper build up is in the bore. Just look at the muzzle area with a good light (I also use magnifiers, my eyes aren't what they used to be :) ). If you see nice wide copper streaks, then you might benefit from a break in procedure, after you clean all the copper out. I like to use the non-ammonia types, like KG12. They work fairly fast.

My BVSS shot great the first 20-40 shots then would not group worth beans. Cleaned all the copper out. Shot some more. Still not great. I got impatient and used some Iosso paste on it. Shot some more. Finally showed better groups. I suspect if I had done the break in instead of just shooting it, things would have been better faster. Now it shoots jacketed ammo at right around .5MOA and cast at just under 1MOA if I do my part. I do not shoot much better than 1/2MOA so I can't blame the rifle.

The mass mfg barrels are hit and miss. Many shoot well from first shot to last, some do not.

Last, barrel heating. This is also a barrel specific item. My big, stainless BVSS barrel does not like to be hot. If it gets warm (~100F) I stop and let it cool. My cheap Axis with a 'heavy barrel' (not near as heavy as the BVSS) loves to be hot. It will make 1/2MOA groups from the moment it comes out of the case until the barrel is too hot to touch. POI changes about 1MOA from cold to hot.

Cleaning rods like everyone else said. One piece. Good bore guide. I like coated steel, but, wipe the rod each time it comes out of the bore.