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9/22/2017 12:11:25 AM
Posted: 9/28/2005 11:48:51 PM EDT
This may sound silly, so I will claim "the only stupid question is the one you don't ask". I have had my ar for less than a year, about five months ago I sent it back to bushmaster and put a gas block on it. For the first time ever I fired a rapid string of 28 rounds, smoke came pouring out of the hand guards, is this normal?
Link Posted: 9/28/2005 11:56:34 PM EDT
Did you have a bunch of CLP or some type of POL product coating the outside of barrel under the hand guards?
Link Posted: 9/29/2005 12:02:46 AM EDT
No, their was no CLP or any other lube under the handguards. I was shooting handloads, varget powder, 55gr. Spitzer. Also their is no sighs of a pressure leak.
Link Posted: 9/29/2005 12:36:50 AM EDT
Parkerizing is typically dunked in oil right after, so you needn't have necessarily applied it yourself for it to be present. Don't worry about it, unless it starts coming out forcefully with every shot. Then look at your gasblock.
Link Posted: 9/29/2005 3:05:23 AM EDT
same thing with my BM when I first did that.and when I got too clean happy.
Link Posted: 9/29/2005 4:20:04 AM EDT
I remember the first time I did a familirization with my old A2 back in basic I was shooting at just the 150, 200, 250, and 300 meter targets (or something like that) We had like 20 rounds and we just had to shoot the targets and they would fall then pop back up. I remember poping the 300 with the last round and getting the bolt hold open, when backed up from my sight picture I noticed the billowing. IT was most satisfying.
Link Posted: 9/29/2005 4:29:03 AM EDT
Same thing with mine -- I attributed it to excess oil and didn't sweat it much.

Link Posted: 9/29/2005 12:34:51 PM EDT
Its the oil burning off your barrel.
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