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Direct Chamber Loading

This is a discussion on Direct Chamber Loading within the MP Reference forums, part of the Smith & Wesson MP Forum category; WARNING: ALWAYS LOAD A ROUND INTO THE CHAMBER BY FEEDING IT FROM THE MAGAZINE. FAILURE TO FOLLOW THIS WARNING CAN RESULT IN SEVERE INJURY OR ...


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Old December 30th, 2013, 02:42 AM   #16
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WARNING: ALWAYS LOAD A ROUND INTO THE CHAMBER BY FEEDING IT FROM THE MAGAZINE. FAILURE TO FOLLOW THIS WARNING CAN RESULT
IN SEVERE INJURY OR DEATH TO YOU OR OTHERS. NEVER ATTEMPT TO LOAD THE PISTOL BY INSERTING A ROUND INTO THE OPEN EJECTION PORT.

Just saying S&W puts this in the manual for a reason.
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Old December 30th, 2013, 04:08 AM   #17
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Quote:
Originally Posted by Texas40 View Post
WARNING: ALWAYS LOAD A ROUND INTO THE CHAMBER BY FEEDING IT FROM THE MAGAZINE. FAILURE TO FOLLOW THIS WARNING CAN RESULT
IN SEVERE INJURY OR DEATH TO YOU OR OTHERS. NEVER ATTEMPT TO LOAD THE PISTOL BY INSERTING A ROUND INTO THE OPEN EJECTION PORT.

Just saying S&W puts this in the manual for a reason.
Good point. The mother ship usually provides sound advice.
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Old December 30th, 2013, 08:02 AM   #18
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Quote:
Originally Posted by Texas40 View Post
WARNING: ALWAYS LOAD A ROUND INTO THE CHAMBER BY FEEDING IT FROM THE MAGAZINE. FAILURE TO FOLLOW THIS WARNING CAN RESULT
IN SEVERE INJURY OR DEATH TO YOU OR OTHERS. NEVER ATTEMPT TO LOAD THE PISTOL BY INSERTING A ROUND INTO THE OPEN EJECTION PORT.

Just saying S&W puts this in the manual for a reason.
Yeah, it's called cover you ass. At this point, we're lucky the manual doesn't simply say "Warning: Never, never use this weapon!"
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Old December 30th, 2013, 12:25 PM   #19
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Yeah, it's called cover you ass. At this point, we're lucky the manual doesn't simply say "Warning: Never, never use this weapon!"
Be careful or someone will see that and add it. Much of what is in the manual that deals with safety is CYA and has little to no relationship with operability. Thank the liability lawyers for that.

For those who don't think it is ok. If dropping a round in the chamber and dropping the slide/bolt hurt an exposed type extractor then the M16/AR15 bolt would break constantly since it pushes the round into the chamber then as it closed slips the extractor over the rim.

Does that help to understand that it is ok?

Last edited by river_rat; December 30th, 2013 at 12:29 PM.
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Old November 2nd, 2014, 09:09 AM   #20
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NO! Not ok. The extractor is designed to hook around the shell casing when the bullet is coming up from below in the magazine and being fed into the chamber. It is NOT designed to slam into the back of the shell casing and then claw onto the shell casing. This can break the extractor or cause other issues.
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Old June 15th, 2015, 04:23 PM   #21
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S&W recommends against 'direct chambering'. Jabs at the 1911 aside, the throw of the extractor really isn't designed to accommodate snapping over the rim. Sure, it will work (it works on a 1911 too!) but it's not what the gun was designed for.

GsT
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Old June 15th, 2015, 07:12 PM   #22
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I can personally attest that direct chambering in a 1911 is really hard on extractors, I broke several extractors on my 1911 before I read that you shouldn't direct chamber on a 1911, I haven't broken one since and its been over 30 years. The extractor on a M&P has a coil spring which the 1911 didn't have, so it should be less of a strain, but if the factory says not to do it, I wouldn't.
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Old June 16th, 2015, 08:59 AM   #23
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You'd have to go to the range 50 times to spend the cost of one box of ammo.

I'd say that's not enough money to be worried about vs possibly doing something to damage your pistol.
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Old June 17th, 2015, 09:21 AM   #24
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Originally Posted by FortyFiveAuto View Post
You'd have to go to the range 50 times to spend the cost of one box of ammo.

I'd say that's not enough money to be worried about vs possibly doing something to damage your pistol.
Good point.
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Old June 18th, 2015, 06:02 PM   #25
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One of those things that you could probably get away with forever, but probably something you shouldn't do. When I was a kid I did it all the time, even with 1911s (all we had back then...) but then I better understood what was actually happening and quit doing it. It forces the extractor way out of its intended range of motion.

I also never worried about bullet setback but as I have gotten older I have become more aware of the dangers. I would be less concerned if you are talking 9x19, more concerned if you are talking 40S&W, less concerned if you are talking 45ACP.

It is against all I am sure you have been taught, but I would consider riding the slide closed. You are going to be able to verify the thing went all the way into battery before you return it to your holster.

Oops, just reviewed and saw you specified 9x19. As was mentioned, in the managed risk department I would rather risk a little bullet setback that may or may never occur as opposed to KNOWINGLY misusing the extractor every day. Maybe an experiment might be to take a round and chamber it normally and check it against a new round to see at what point it might setback. Like do it five times and check it, ten more times and check it, yada, yada, yada. If it does not setback after twenty times or something then adopt the practice of replacing the round every week or two (maybe on payday?) rather than every single day.

Last edited by mmc45414; June 18th, 2015 at 06:10 PM.
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Old June 19th, 2015, 07:03 PM   #26
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Direct Chamber Loading

I was really surprised to read direct chamber loading described in my Beretta 92 manual.

Last edited by AgentOrange; June 19th, 2015 at 07:20 PM.
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