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Old 02-08-2015, 10:17 AM   #1
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BHP beyond field stripping

How often should one take out the firing pin and clean that assembly? Besides the usual field stripping, what else should be a regular and what else should be an occasional dis-assembly and clean?

Thanks,
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Old 02-08-2015, 01:41 PM   #2
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George, I don't have a technical answer for you about removing the firing pin assembly and I don't know what the factory says. I always take out the firing pin and spring and clean the tunnel plus replace both the firing pin spring and recoil spring any time I buy a used BHP or clone. If you do any amount of shooting at all I really don't see anything wrong with doing it every year, more if you really do a lot of shooting, if you're using dirty reloads, or live in a very humid area. IMHO. And you'll find that a Nylon .22 bore brush does a really nice job inside the firing pin tunnel, especially when followed by a squirt of aerosol solvent of some kind.
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Old 02-08-2015, 02:08 PM   #3
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Personally, I will clean the firing pin channel, the pin and spring after about 5000 rounds, or if the pistol has been exposed to wet (rain/seawater) or extremely dusty (desert) conditions. I'll usually replace springs at about 5000 rounds as well.
I prefer using pipe cleaners for cleaning small places, i.e. firing pin channel, extractor claws, etc. Pipe cleaners are also good for applying lubricants to slide rail cuts and other smaller internal surfaces.
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Old 02-08-2015, 05:07 PM   #4
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Guys, thank you. How about going beyond the firing pin? There are other pieces in the area around the firing pin, how about them? Having seen videos about how small those springs are, I think a gunsmith with a steadier hand and better eyesight than mine would be necessary. But if it is good to go beyond the basic field stripping for a really thorough cleaning, and even small part replacement, I would do that. Prevention is worth.. well, lots !

I appreciate this sight because it is the only place I feel like I can get honest answers from real and experienced people. Thanks.
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Old 02-08-2015, 09:36 PM   #5
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Personally the only time I disassemble any pistol further than removing the firing pin and spring, and cleaning it and the channel is if it is necessary to do so to reach a part I am replacing.

There are others here who are, in my opinion perhaps a bit OCD and fully disassemble their pistols on a frequent basis.

I don't believe full disassembly is necessary, and certainly not to keep a gun functional. l expect that will cause unwanted wear particularly to the pins and pin holes. After all, those are parts that don't generally move. Steel surface to steel surface movement will, in the long run, cause frictional wear.

As a side note, an old mate of mine, who was a Glock factory instructor was constantly replacing the demonstration/training pistols used for the armourers' courses because new,tight-fitting pistols became excessively worn after about six months of course use.
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Old 02-08-2015, 09:43 PM   #6
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Quote:
Originally Posted by abninftr View Post
Personally the only time I disassemble any pistol further than removing the firing pin and spring, and cleaning it and the channel is if it is necessary to do so to reach a part I am replacing.

There are others here who are, in my opinion perhaps a bit OCD and fully disassemble their pistols on a frequent basis.

I don't believe full disassembly is necessary, and certainly not to keep a gun functional. l expect that will cause unwanted wear particularly to the pins and pin holes. After all, those are parts that don't generally move. Steel surface to steel surface movement will, in the long run, cause frictional wear.

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Absolutely agree. Well said.
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Old 02-09-2015, 11:38 AM   #7
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Some folks may be thinking about that firing pin spring replacement for the first time as a result of this thread. It is worthy of note that removal of the firing pin and spring is a little different in firing pin safety equipped slides and pre-firing pin safety slides.

How does one know?

The firing pin safety equipped slide has the paddle shaped sear lever which can be observed a short distance ahead of the firing pin stop on the under side of the slide. The paddle and the milled away area it resides in can be observed with the pistol assembled by locking the slide back and looking on the underside of the slide. Now, you know what you have.

Firing pin spring removal of firing pin safety equipped hi powers:

Safety glasses are highly advised.

Remove slide from frame. Place slide in padded vise or on a clean flat surface upside down. When using a clean flat surface; I recommend using something soft to jack/elevate dovetailed front sights off the surface. I do this with the slide held in my hand but I like a challenge.

Depress firing pin as far as it will travel while depressing sear lever in such a manner as to lift the paddle. Release sear lever. Firing pin should lock forward relieving pressure on the firing pin stop. Remove firing pin stop. Place something over the rear of the slide to block high velocity exit of firing pin. I use my hand. Depress sear lever like you did before. Firing pin will fly into what ever you used to trap it. Now the firing pin can be retracted the rest of the way. Remove spring and inspect the firing pin. Clean tunnel. Swap springs unless you did this for pleasure or practice.

Place spring over firing pin. Insert into tunnel. Care must be taken now to keep your punch on head of firing pin. Push firing pin into tunnel and depress sear lever. Release sear lever to trap firing pin. Re-install firing pin stop. Depress sear lever. If firing pin and hole in firing pin stop were aligned correctly; firing pin will return to normal at rest position. If firing pin is trapped by inside surface of firing pin stop; some firing pin stop manipulation is in order to align the hole in the firing pin stop with head of firing pin. This is not uncommon. It is more common on pistols equipped with aftermarket rear sights that required firing pin stop trimming.

Hi Powers not equipped with firing pin safety.

The procedure is basically the same except you no longer have the firing pin safety sear lever to assist and/or hinder you. Delete sear lever manipulation from the procedure. Firing pin will only be trapped by firing pin stop plate.

If you want to replace the firing pin due to deformity or breakage; buy it from Browning Parts. The new style works in both kinds of hi powers. If you buy from another source; you run the risk of being sent the old style which will NOT work in a firing pin safety equipped pistol.

Hope this helps. I am certain if I missed something, ARBINFNTY will be along to correct and/or supplement my guidance.
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Old 02-09-2015, 04:46 PM   #8
 
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I second Chuntaro's suggestion of using safety glasses. You haven't lived until you let the fp shoot across the room. It is almost like an Easter egg hunt. Seriously, all of Chuntaro's and Abinftr's thoughts and directions are spot on.
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Old 02-09-2015, 05:02 PM   #9
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Not much more to add after abninftr and chuntaro comments. But, I only remove firing pin when "I" think I've shoot too many rounds in a given range session (rarely). I never completely field strip down to bare bones for cleaning. Unnecessary in my opinion. I'd rather soak it in a dunk tank instead of removing roll pins.
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Old 02-09-2015, 05:09 PM   #10
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Amen to the dunk tank. Wonderful invention.
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