Meaning of OOB ?

[27 Beck]

Havn't seen you around much Beck.

By the way... your past advice about having a 'backup' rife worked out well.

Better weather has me doing some other things. Also spend some time over on RFC and arf.com.

 

[tatwell]

Made it to 15k rounds +/- before having an OOB with the 15-22 today. I gave it a quick look over... looked fine... popped another 5rds... works fine. Will clean it up and go for another 15k rounds.

The OOB occurred during slow firing while sighting in new optic. Classic case of the round not fully chambering, bolt not closed yet the trigger still able to drop the hammer, engage the firing pin and ignite the round.

Phil, I just now caught up on my reading here on the forum, and saw that you had an OOB. I hope nothing wasn't damaged. This is a good chance for me to learn something...IF you have not yet cleaned the rifle since the OOB, could you break the rifle down and see how easily or how hard a cartridge goes into the chamber? I'm real curious to see, of course the fly in the buttermilk is that maybe the OOB possibly cleaned the chamber. Anyway, it's worth a shot-no pun intended.

Quick off topic side road...I used to live in Tennessee and Chattanooga was the branch office, I was up in middle tenn, so I only got to the office when they made me come in. I'm curious as to whether you ever drove the "W road"? If you have then enough said, and is it still as bad as ever?

 

[ChattanoogaPhil]

Phil, I just now caught up on my reading here on the forum, and saw that you had an OOB. I hope nothing wasn't damaged. This is a good chance for me to learn something...IF you have not yet cleaned the rifle since the OOB, could you break the rifle down and see how easily or how hard a cartridge goes into the chamber? I'm real curious to see, of course the fly in the buttermilk is that maybe the OOB possibly cleaned the chamber. Anyway, it's worth a shot-no pun intended.

Quick off topic side road...I used to live in Tennessee and Chattanooga was the branch office, I was up in middle tenn, so I only got to the office when they made me come in. I'm curious as to whether you ever drove the "W road"? If you have then enough said, and is it still as bad as ever?

Hi used-to-be neighbor

The chamber looks fine as far as I can tell. Yes, with the rifle broken down a round will simply drop in and fall out when upside down. In fact, I can shake the upper and hear the round rattle in the chamber. The only thing I see is that there is a nick on the top edge of the bolt face (can be felt pretty good with a fingernail) and a faint scratch (not camera visible) right behind the nick going back abut an inch along the top of the bolt. I'm no gunsmith, but it does not appear to be an issue that would make much difference. Maybe it will even shoot better

I ride my motorcycle up W now and then just for fun. And yes, it is as bad as ever even though they have tried to widen a couple curves.

 

[BELT_FED]

dang phil if you would clean the carbon off the front of that bolt maybe it could close all the way..... just playing glad to hear no real damage... and i think we are all getting together next sat for some plinking... if you wanna come play

 

[ChattanoogaPhil]

Huh? That pic is after cleaning j/k

Thanks for the plinking offer I'm gonna have to make it up there one of these weekends. How about that shroud pic?

 

[BELT_FED]

try and get that upp this weekend.. gotta work the next few..you gotta love long shifts

 

[tatwell]

Thanks Phil. That eliminates my idea that these OOB's are caused by a possible "match" chamber that gets too dirty for a round to chamber. Another theory goes up in smoke. (My first experience with the "W" road was late one night in a dense fog, driving the pickup I had at the time...a full size F250 4wd, don't ask me how many times I backed up.)

 

[ChattanoogaPhil]

Ran thru another 300+ rounds today with the 15-22 post OOB. No problems.... DTH = One tough rifle!

 

[avery53]

Ran thru another 300+ rounds today with the 15-22 post OOB. No problems.... DTH = One tough rifle!

Do you feel like you are playing Russian Roulette since the OOB mishap?
If mine ever does the OOB thing, it will be on GB before the week is out.
I do love the rifle, but not that much. lol

avery

 

[ChattanoogaPhil]

Do you feel like you are playing Russian Roulette since the OOB mishap?
avery

Maybe the best way to answer that question is -- No more than before the OOB.

Here's the way I see it. We all have a rifle that has a trigger that will drop the hammer and engage the firing pin with the bolt out of battery (Brett248Vista's video was a real eyebrow raiser.) Other than keeping the chamber clean and the bolt clean and operating smoothly I'm not sure what else 15-22 owners can do. I don't think I am any more likely to experience another OOB than I was the first one... or than anyone else is..... I suppose ??

Maybe the guy who is running S&W web sales department and sending out postcards to notify of out of stock items was in charge of the 15-22 firing mechanism design?

 

[avery53]

Yeah, somebody was out to lunch on this one!
I have only had 1 OOB firing in 50+ years of shooting 22's.
That was a WZ-48 trainer that has an adjustable bolt. I had set the bolt up wrong with too much headspace, and POW on the first shot. Scared the crap out of me, I thought the Commies had booby-trapped the darn thing.
But, I did learn the importance of correct headspace. lol
avery

 

[ChattanoogaPhil]

Yeah, somebody was out to lunch on this one!
I have only had 1 OOB firing in 50+ years of shooting 22's.
That was a WZ-48 trainer that has an adjustable bolt. I had set the bolt up wrong with too much headspace, and POW on the first shot. Scared the crap out of me, I thought the Commies had booby-trapped the darn thing.
But, I did learn the importance of correct headspace. lol
avery

I had one other OOB with my Ruger 22/45 around 30k rounds. I've been shooting it for years since with no issues.

 

[eztarget]

interesting. i just read this on gun-tests.com about the sig sauer mos-22 pistol. OOB right out of the shoot (pardon the pun..)

The Mosquito was then returned to service. It was still experiencing intermittent problems when a premature detonation occurred. The round went off with an open breech, creating a notable flash and popping sound. Smoke belched from the muzzle, breech, back of the slide, and the magazine well of the Mosquito. Our tester was hit with particles on his unprotected forehead but was uninjured. We retrieved the ruptured case along with a small brass fragment, reviewed the incident, and closed our evaluation according to Gun Tests review policy.

Later, we spoke with Eric Vonbosse, Product Manager for Sig Sauer, regarding our Mosquito's malfunctions, and eventual catastrophic failure. He offered some insight into what might have caused some of our problems.

Apparently, the German-manufactured Mosquitos have had chambers that were manufactured to a 22 Match CIP specification. There is a tolerance difference with the SAAMI 22 Long Rifle specification that can cause an overly tight fit with 22 Long Rifle ammo. As a result, rounds fired in the gun could stick in the bore, causing failures to extract. Mr. Vonbosse explained that they had addressed the situation with their German factory, and that their Service Department now routinely checked the bore sizing in all Mosquito's sent to them for repair. When an undersize condition is noted, a finishing reamer is used to bring the suspect chamber into specification.

Mr. Vonbosse could not provide a ready explanation for the catastrophic failure, however, instead directing us to send the gun in for their Service Department to examine. We'll report the results in an upcoming issue.

Our Team Said: Don't Buy it. We canceled any further testing of the Mosquito due to safety concerns.