[killer]

After the last range trip 250 dr .

During feild striping and cleaning i felt a very small burr on the muzzle crown

After i ran a bore snake down the barrel the the burr was gone but i can see a veeerry small nick on the muzzle crown now .

i was thinking on buying a brownells muzzle polishing kit

is this a good idea or what .

ps

i was also conseduring buying jb bore bright bore polish

same: good idea or what , is fire lapping better

Thanks

 

[Jester]

On my target M&P I will be having my muzzle recrowned.

 

[Dan Burwell]

I wouldn't bother with any of that unless you were having an accuracy problem. If you are then I would get it re-crowned, I wouldn't bother with, the crown polishing stuff, that is really for after you re-cut the crown not to polish out nicks.



As for bore-bright great stuff... for lapping in 1911 slides. It is pretty good as a bore cleaner as well, but really isn't necessary unless you really crudded up your barrel. Fire lapping I have never tried and would doubt you would get any noticeable improvement on a combat gun.



Basically if your gun still shoots good spend your money on ammo, not junk to sit around the garage. :wink:

 

[raz-0]

Fire lapping a semi-auto pistol is probably a huge waste of time.



Basically in all my internet reading, fire-lapping seems to achieve positive results in only a few circumstances.



1)If you are aprecision rifle shooter, it can take your $800 barrel that has a "usable" lifespan for your purpose of about 700-800 rounds, and get it to the sweet spot very quickly by shortening the life by100-200 rounds. For this to be worthwhile you have to have some "mad skillz" with the rifle, practice a lot, and thus view barrels as consumables.



2)If you shoot a cheaper bolt action rifle that may not have received that much finishing attention. If you read around, you will find a number of people using firelapping/borelapping kits on their savage rifles and getting a noticable improvement. Namely because they are a good gun built to price and anice polishing of the bore gets you a net improvement.



3) Rifles with barrels that undergo machining processes after being rifled. A good example are lever action rifles. Between the bits to connect the tube mag, and the divetails for front and rear sights, people who firelap/borelap their leverguns seem to see noticable improvements that are larger than most other groups.





a semi-auto pistol doesnt have enough length to have that many variation in the rifling finish to have a real effect, and all the magining that is done is done concentricly once you pass the chamber. It seems to be non-uniform machining that has the biggest impact on the rifling.