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Posted: 6/23/2005 10:44:30 AM EDT
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NOOB question: I just bought an AR and the bottom of the A2 suppressor (without ports) is pointing to 4 o'clock instead of straight down. The barrel is threaded and the A2 is screwed on, but I wasn't sure if there's a lock nut involved or if it's just the suppressor screwed onto the end of the threaded barrel. Is there a way I can adjust this? |
Most AR manufacturers use a crush washer.
Even if they are misaligned the crush washer would allow you to correct for it. I'm assuming you mean misaligned by threads started at diffreent o'clock positions on the barrel, which is normal. There's no standard for where the threads begin. However, if you mean misaligned by threads not running parallel with the bore, which would put the flash hider unparallel with the bore, then you have a screwed up barrel! |
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Thanks boom_stick. I probably have a crush washer in there, or if I don't, I can add one. Is there any special protocol for removing the flash suppressor? What tools would you suggest for the job? Also, is the crush washer something I just pickup at the local hardware store, or is it something made specifically for use on a rifle? THANKS! |
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Just takes some shopping around. Or, failing that, getting a cheap wrench and using a gringer to make it thinner. Given a choice between a normal wrench that is too thick, or a combo multi super tool thing that is also too thick and has a less precisely cut opening or a GI wrench that has an opening that is out of square to the wrench and won't stay in palce when you put pressure on it, I'll take a normal wrench. |
I've never had a problem with mine, FSs are the only reason I keep the old GI wrench around anymore.
Maybe mine is just cheap. It was stamped from a piece of 1/4" steel and from looking at the opening it looks like the stamp was getting dull. All of the openings are wider along one face of the tool than the other which makes it useless as anything but a barrel wrench. They are also slightly oversized so they don't get a good fit on anything. I -think- I bought it from BM but I've had it for 8 or 9 years now and can't remember. Next time I'm at a gunshow I'll take a look at what's being sold and see if anybody sells anything more precisely made. |
but it's wobbly enough that I never liked using it for barrel installs, the FSs rarely need a similar amount of torque tho.
Nope, rather rounded. Very much looks like it was stamped out of a cold piece of 1/4" steel, and looks like the stamp was getting dull. Rounded edges, slight deformation causing so the edges are not square to the tool, etc. The only hole that is 'right' is the round opeing for the barrel, and that's because I used a drum sander to open it up so it would fit over a very thick bull barrel. |
I prefer peel washers myself... Don't know why really, just like the way it looks and snugs up better... - AG |
You installed it correctly. |
Messing around with the camera and took a pic of the slot for the flash hider. There's a ridge of harder metal around the top, you can see it shining where the finish rubbed off at the rear of the slot, and the porous area below that is concave, causing the sides that contact the flats on the hider to not be square, as you can see. When I was messing around with it one of the pins fell out. Definitely time for a new wrench. 
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