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9/22/2017 12:11:25 AM
Posted: 8/8/2005 8:10:59 PM EDT
Using my Bushmaster 16", how many rounds can I expect to go through on average (standard FMJ, like UMC, Q3131A, XM193, surplus, whatever) before accuracy significantly degrades?
Link Posted: 8/8/2005 8:16:27 PM EDT
Link Posted: 8/8/2005 8:57:38 PM EDT
Minute of dead....I like that!
Link Posted: 8/8/2005 9:32:49 PM EDT
How fast its fired,heat these will be factors im sure.It depends on the abuse the barrel is subject to.
Link Posted: 8/8/2005 10:37:52 PM EDT
[Last Edit: 8/8/2005 10:51:11 PM EDT by steve-oh]

Originally Posted By bigbore:
At what distance? and what do you consider a group with the ammo mentioned? In all likleness, that barrel will last longer for minute of dead that you will own it.

Don't be silly. Everyone knows a firearm isn't lethal unless it's shooting under moa.
Link Posted: 8/9/2005 12:14:14 AM EDT
would 12-15 thousand rounds be a good guess?
Link Posted: 8/9/2005 2:58:10 AM EDT
Link Posted: 8/9/2005 3:12:06 AM EDT
i have about 10-11k through my bm superlight cl bbl and have not notice any major problems with it.
Link Posted: 8/9/2005 3:30:00 AM EDT
Oh, sorry I forgot to explain what I meant. I meant without cleaning the bore.

As far as "how innaccurate" goes, I didn't really have anything in mind. Let's go with when the groups would double in size.
Link Posted: 8/9/2005 4:51:52 AM EDT
To my mind this brings up the question of chrome lined .30 caliber bores. When do they open up, on average? Certain weapon in particular, come to mind: AK, M14, FN SPR, MK48/M240B/H, M60, MK46/M249, etc.).
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