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	Firing pin safety mechanism - Patent 4658529
		Firing pin mechanism according to claim 2 wherein said rib is disposed so as to contact at least two surfaces of said firing pin when said safety is in the "on" position.
		Firing pin safety mechanism according to claim 10 wherein said releasable locking means includes a pair of detents in said slide and a ball yieldingly loaded in said safety.
		In such pistols, the firing pin is maintained in a ready position, wherein the hammer end of the firing pin is exposed, by a spring which encompasses the pin in the pistol slide.
	www.freepatentsonline.com /4658529.html (2802 words)

	Pin - Wikipedia, the free encyclopedia
		A pin is a device used for fastening objects or material together.
		a bridge pin refers to the vertical wire on the bridge of keyboard instruments such as the piano and harpsichord that is used to control the string resonances.
		In firearms, the firing pin is a nail-like device to transfer hammer energy to the primer of ammunition
	en.wikipedia.org /wiki/Pin (333 words)

	Firing pin safety device for hand firearms - Patent 4090316
		A hand firearm has a firing pin which is pivotable between safety and firing positions and a hammer which has a striking surface engaging the firing pin when the firing pin is in its firing position and a recess which receives the firing pin when in its safety position.
		As a result, it was not possible to reliably avoid firing of the weapon since the firing pin was in the lifted position and upon being subjected to forces of impact the firing pin contacted the cap of the cartridge.
		The block has positioned therein a firing pin 3 which is pivotable in a longitudinal plane about a pivot point as defined by the end of the firing pin which engages the cap of the cartridge as shown in the drawing.
	www.freepatentsonline.com /4090316.html (2684 words)

	Rifle firing pin - Patent 5421119
		The firing pin of claim 1 in which the chamfer forms along the radially outer edge of the shoulder a conical section corresponding to a cone that forms relative to a perpendicular from the shoulder an angle of between 22.degree.
		The firing pin of claim 4 in which the chamfer forms along the radially outer edge of the shoulder a conical section corresponding to a cone that forms relative to a perpendicular from the shoulder an angle of between 22.degree.
		An M16/AR-15 rifle firing pin of a unitary titanium construction and having a chamfer along the radially outer edge of the shoulder does not exhibit the nicks or wear of a titanium firing pin with a conventional perpendicular shoulder.
	www.freepatentsonline.com /5421119.html (1759 words)

	KTOG.Org - Firing pin removal - Kel-Tec Owners Group
		The firing pin is held in place in the slide by the firing pin retention set screw.
		As the retention set screw is loosened, the firing pin is allowed to move while under the stored energy of the firing pin spring.
		ANOTHER step I take when the firing pin is removed, is to take an old, worn out,.22 caliber all-bronze cleaning brush (a new one is too large) and swab out the firing pin orifice while the slide is held in place in a padded vise.
	www.ktog.org /firingpin.htm (484 words)

	1911 Firing Pin - THR (Site not responding. Last check: 2007-10-09)
		The older firing pin is pretty much straight tapered with a larger bulge near the butt end.
		The '80 pin will work in any 1911 but the '70 is not compatable with the firing pin safety in the '80 series 1911 Colts.
		firing pins won't work in a Series 80 pistol unless the firing pin safety parts are removed....Shim required in the frame.
	www.thehighroad.org /showthread.php?t=79501 (376 words)

	Colt Series 80 Firing Pin Block (Site not responding. Last check: 2007-10-09)
		This firing pin blocking mechanism on the Series 80 Colts differentiates the Series 80 Colts from the "true" M1911A1 pistols.
		The purpose of the firing pin block is to prevent the firing pin from moving forward unless the trigger is depressed.
		This "lawyer friendly" mechanism is supposed to prevent "accidental discharges" caused by dropping the pistol or catastrophic mechanical failures.
	www.sightm1911.com /lib/tech/s80fpb.htm (117 words)

	UBERFAQ - FIRING PINS
		Put the wrong pin in the wrong bolt and the pin is likely to seize causing the rifle to slamfire the second a round is chambered.
		Please pay attention to the orientation of the pin before removing it from the bolt and verify the orientation is correct before replacing the assembly in the carbine.
		This firing pin is the only type that was ever manufactured with a return spring on the pin.
	www.simonov.net /uberpin.htm (384 words)

	Advantage of titanium firing pin? - 1911Forum
		Springfield uses an XXH firing pin spring in conjunction with the titanium firing pin.
		If memory serves me correctly the ideal behind using the titanium firing pin in the Springfield was to prevent inertia firing the same reason Colt and Para uses the firing pin block (or the series 80 system as some call it).
		My testing and experience indicates that a lightweight firing train is a good thing up until the part that has to keep moving under its own inertia and against a spring, in other words, the firing pin.
	www.1911forum.com /forums/showthread.php?t=9891 (689 words)

	Winchester 94 firing pin - THR (Site not responding. Last check: 2007-10-09)
		The original firing pin is a solid thick pin front to rear same diameter.
		The cuts in the pin are different and the pin is a skeletonized version- by that I mean the diameter is right just before the tip and at the rear of the pin but is much thinner at the center.
		This new pin is made to fit all the post '64 models.Should make it to the range this weekend for test firing this one and an Israeli FN K98 with a new Mojo rear sight in 7.62 NATO.
	www.thehighroad.org /showthread.php?t=85021 (391 words)

	Angular shape firing pin for use with a collapsible toggle recoil in a hand held weapon - Patent 4467698
		In accordance with the invention claimed, a new and improved mechanism employing a novel bolt firing pin configuration and controls therefor is disclosed which can be used effectively to absorb the effects of the shell explosive forces in weapons such as rifles and pistols.
		A striking pin 56 is formed in the center of indentation 54 and axially aligned with barrel 15 for striking the primer of the bullet in the usual manner.
		After a firing sequence and return of bolt 19 to its forward position in the frame of the weapon, spring 26 moves and maintains link 24 and its surface at the free end of the link against cam rider 22 to hold and/or lock the bolt in its extended, i.e., at rest position.
	www.freepatentsonline.com /4467698.html (3789 words)

	D&L Sports Locking 1911 Firing Pin Stop
		The FPS holds the firing pin and extractor in place to perform their critically important firing functions.
		The FPS is generally held in place by the firing pin head and spring pressure, as well as FPS fit to the slide.
		This creates a situation where the firing pin head can not return to its proper position, and it allows the FPS to catch on the back of the cocked hammer when the slide is attempting to return forward.
	www.dlsports.com /locking_1911_firing_pin_stop.html (536 words)

	Mak firing pin problem. - TheFiringLine Forums
		My first thought was that the firing pin must have been making contact when the safety was engaged but after several more tests, the mark appears after the slide is racked, but before the safety is engaged and the pistol decocked.
		The makarov doesn't have a firing pin spring to hold it away from the primer end of things, it just floats around in the chanel as it likes.
		You should be able to hear the firing pin move back and forth if you move the gun back and forth along the bore axis.
	www.thefiringline.com /forums/showthread.php?t=81961 (482 words)

	Firing Pin Fixture for Mauser Bolts (Site not responding. Last check: 2007-10-09)
		If your work space is like mine, you won't have room for a Mauser stock, complete with security hole, to use as a firing pin removal tool.
		In place of this convenient hole, many times the tip of the pin is placed directly onto the bench top, not a good thing.
		This simple and cheap fixture will accept the firing pin tip and allow you to compress the spring, while supporting the pin at the safety flange and at the same time refrain from slipping across the table and into your glass of milk.
	www272.pair.com /stevewag/boltfix/boltfix.html (276 words)

	Dealing With Light Hits
		The other variation is the firing pin used in the so-called high energy kit which has only one position and is used with a much heavier spring.
		Reassemble firing pin assembly and bolt, and align the bolt cap as it was when removed from the rifle.
		Using a very fine stone break the sharp edges of the threaded area of the firing pin and the edges of the unthreaded square section of the firing pin and then polish with 600 grit paper.
	www.steyrscout.org /lightht.htm (2491 words)

	M1 Garand - Firing Pin
		Part Function: The Firing Pin is responsible for setting off the primer of a cartridge which is chambered in the rifle.
		The firing pin is propelled forward into the primer by the M1's hammer after the hammer has been released from the sear by a pull on the rifle's trigger.
		Many of the GIs in W.W.II hoped that their firing pin might be the last moving mechanical object in the vicinity of the dictator pictured on these German Stamps.
	www.civilianmarksmanship.com /nomenclaturehtml/nomenclaturefiringpin.html (127 words)

	Firing pin on hammer: need an empty cylinder? (Site not responding. Last check: 2007-10-09)
		Anyway, I know that the old single actions with the firing pin on the hammer needed to be carried with an empty cylinder to avoid accidental discharges.
		The transfer bar slips into a gap between the frame mounted firing pin and the hammer face when the trigger is fully depressed.
		The only way the gun can fire is if the transfer bar is in postion to transfer the hammer blow to the firing pin.
	smith-wessonforum.com /eve/ubb.x/a/tpc/f/530103904/m/106100914/xsl/print_topic (1166 words)

	Benchrest Central Forums - Firing Pin Springs
		Anyway, I like to change firing pin springs in my rifles when they get down to #20 as they seem to degrade very fast from there, or at least for peace of mind and something else to just not worry about.
		Put the spring over the firing pin and lower the quill until the spring compresses to the same length as the alum.
		It might be simpler to put the assembled bolt in a vise and pull on the firing pin with a spring scale, note poundage when the firing pin is at the cocked position.
	www.benchrest.com /forums/printthread.php?t=2043 (1592 words)

	Dry fire practice and firing pin happiness - 1911Forum
		Seems like just having a case in there to keep the firing pin from overtraveling should be enough, but I'm not that familiar with the 1911.
		Unfortunately, I can't speak to the issue of firing pin spring wear.
		Personally, I've only had one firing pin ever fail and that was the factory part in my Para P16 which was made of typical Para mush-metal.
	www.1911forum.com /forums/showthread.php?t=9671 (422 words)

	SKS Owners
		The pic below is a cutaway SKS bolt with firing pin taper, and taper in bottom of hole in bolt, vividly shown.
		The alteration done to the firing pin in conjunction with spring, or Murrays replacement firing pin and spring, will virtually eliminate this problem.
		It is possible to clean firing pin, breech bolt, etc. and eliminate some of the possibility of slam-fire, and uncontollable full-auto, but the addition of the spring virtually eliminates the possibility.
	www.murraysguns.com /sksown.htm (486 words)

	SPEEDLOCK FIRING PIN KITS at Brownells (Site not responding. Last check: 2007-10-09)
		Aluminum/steel or titanium firing pins weigh less than half of original factory firing pins, and the weight savings alone would decrease lock times dramatically.
		If the firing pin is larger in diameter at the shoulder, under the spring, than it is at the rear, it is the ISS firing pin.
		Aluminum firing pin with 4041 steel tip weighs less than half of the factory part for faster lock-time and improved ignition.
	www.brownells.com /aspx/ns/store/productdetail.aspx?p=12723 (390 words)

	SIG firing-pin lock - TheFiringLine Forums
		The "patented automatic firing pin block" locks the firing pin in place until the trigger is pulled.
		Enough (a lot) of firing tends to upset the firing pin/block surfaces, and while it was minor it was something I didn't care for too much.
		The firing pins cannot be reused according to Sig.
	www.thefiringline.com /forums/showthread.php?t=19609 (815 words)

	View topic - charles daly o/u firing pin sticking
		Further inspection reavealed that the firing pin was staying stuck in the primer.
		I noticed the primers were gouged wherer the pin was stuck and the action was forced open.
		It does not have rebounding firing pins, the hammer rests on the firing pin when it is uncocked.
	www.shotgunworld.com /bbs/viewtopic.php?t=3645 (582 words)

	10mm Talk 198 (Site not responding. Last check: 2007-10-09)
		Please Note: all "Directions" are respective of the gun normal firing position with the barrel pointing away from you with the sights "up" Again, back to the question...
		The firing pin MAY lock in the forward position, and it WILL poke your eye out at 100 miles per hour when you depress the firing pin lock plunger (Not S&W's nomenclature, but mine...
		The firing pin is a challenge to remove/replace the first time, but after you see how the safety interacts with the rest of the slide pieces you'll remove it easily next time.
	www.home.earthlink.net /~gnappi/talk/10_talk198.htm (796 words)

	Gunboards - Late War Firing Pin Comments, Trivia, and pics... (Site not responding. Last check: 2007-10-09)
		I have a number of firing pins with the RW code on them.
		My late war Steyr firing pin exhibits the same feature as the Gustloff (flat milled section on the Gustloff is longer than the MO).
		BTW, the tip of the firing pin is not rough milled as yours.
	www.gunboards.com /forums/topic.asp?TOPIC_ID=97266 (325 words)

	Broke firing pin positioning pin ? P229 - Topic Powered by Groupee Community
		March 13, 2005 06:41 PM Today after doing some dry firing with a snap cap I found that my firing pin positioning pin was coming out.
		March 17, 2005 10:06 AM It is the hootis that holds in the thingamabob that retains the firing pin in the slide!
		It is the hootis that holds in the thingamabob that retains the firing pin in the slide!
	sigforum.com /eve/ubb.x/a/tpc/f/150601935/m/903106622 (320 words)

	Firing Pin Alternation in Glock 17
		The non-conductive parts in the Glock firing pin assembly pose a slight difficulty in obtaining a good reading repeatedly.
		During test fire, I noticed that the gun 'wipes the primers' with the lightweight striker.
		It could be affected though, if the catch on the new pin had a different roughness, radius or angle.
	www.lspi.com /Dvorak_1.htm (394 words)

	Firing Pin Protrusion Test
		If the firing pin fails this test, the drogue gun must be replaced.
		Pull the handle until the firing mechanism is fully extended.
		Lockwire the firing link to the drogue gun housing by inserting the lockwire through the housing and roll pin, which is attached to the firing link.
	www.tpub.com /ase2/150.htm (233 words)

	MY SIG P226 .40 has the firing pin positioning pin broken - Topic Powered by Groupee Community
		It can take a lot of force to start the pin out and in your case the situation might be complicated by the fact that the pin is broken.
		Once the FPPP is removed, the firing pin will actually block or partially block the FPPP hole in the slide and it must be pushed forward out of the way when installing the pin or when trying to push the punch all the way through the slide.
		May 03, 2005 12:38 PM A carpenter's nail set punch is the tool to get the pin started because it has a sharp tip and you can get it centered into a small dent in the head of the pin and it won't slip off.
	sigforum.com /eve/ubb.x/a/tpc/f/150601935/m/712100852 (1086 words)

	Glock firing pin disassembly for cleaning (Site not responding. Last check: 2007-10-09)
		CAUTION: The firing pin spring and guide rod are under extreme pressure and can cause serious injury.
		This will cause "hydrolicing" of the pin with loss of energy and thereby cause non-detonation of the cartridges.
		AGAIN CAUTION: The firing pin spring and guide rod are under extreme pressure and can cause serious injury.
	www.22lrconversions.com /glk-dsmb.htm (449 words)

	Help--removal of HK USP firing pin - TheFiringLine Forums
		Second, since the firing pin hole of the USP is very small, surprisingly little dirt gets in there.
		The pin should come out, reluctantly, as does the retaining pin, which is also under spring pressure.
		It's not quite as bad as it sounds, but the roll pin must be removed, then everything comes out in short order, but it's getting it back together that is a pain.
	www.thefiringline.com /forums/showthread.php?t=4300 (679 words)

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