Firing-pin - Factbites

Firing-pin - Factbites
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Topic: Firing-pin

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	Pin - Wikipedia, the free encyclopedia
		In firearms, the firing pin is a nail-like device to transfer hammer energy to the primer of ammunition
		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.
		A pin is a device used for fastening objects or material together.
	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.
		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.
		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.
	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)

	Firing pin - Wikipedia, the free encyclopedia
		When the hammer strikes the rear of the firing pin, it is driven forward into the primer, causing the impact sensitive primer compound to detonate, which in turn causes the gunpowder to burn, propelling the bullet with gas pressure.
		The firing pin is part of the firing mechanism of a gun.
		It is a very hard steel rod with one small, rounded end for striking the percussion cap of a cartridge.
	en.wikipedia.org /wiki/Firing_pin (97 words)

	Firing pin safety mechanism - Patent 4658529
		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.
		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 mechanism according to claim 4 wherein said releasable locking means includes a pair of detents in said slide and a ball yieldingly loaded in said safety.
	www.freepatentsonline.com /4658529.html (2802 words)

	Colt Series 80 Firing Pin Block
		The purpose of the firing pin block is to prevent the firing pin from moving forward unless the trigger is depressed.
		This firing pin blocking mechanism on the Series 80 Colts differentiates the Series 80 Colts from the "true" M1911A1 pistols.
		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)

	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
		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)

	M1 Garand - Firing Pin
		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.
		Part Function: The Firing Pin is responsible for setting off the primer of a cartridge which is chambered in the rifle.
		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)

	Winchester 94 firing pin - THR
		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.
		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.
	www.thehighroad.org /showthread.php?t=85021 (391 words)

	D&L Sports Locking 1911 Firing Pin Stop
		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.
		The FPS is generally held in place by the firing pin head and spring pressure, as well as FPS fit to the slide.
		The FPS holds the firing pin and extractor in place to perform their critically important firing functions.
	www.dlsports.com /locking_1911_firing_pin_stop.html (536 words)

	Firing Pin Fixture for Mauser Bolts
		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.
		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.
	www272.pair.com /stevewag/boltfix/boltfix.html (276 words)

	UBERFAQ - FIRING PINS
		This firing pin is the only type that was ever manufactured with a return spring on the pin.
		CHINESE TYPE 1: This pin was based on the type 2 Russian firing pin.
		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.
	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.
		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.
		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).
	www.1911forum.com /forums/showthread.php?t=9891 (689 words)

	Firing Pin Stops
		A Bullet Proof firing pin stop is fully machined from super tough bar stock steel with great care to radius all corners resulting in a part that is many times stronger than a standard firing pin stop.
		A quality firing pin stop should fit snuggly in place, therefore this part does require minor fitting to your particular pistol for a perfect fit.
		Most firing pin stops are cheap, mass produced, stamped parts, but they're not Bullet Proof either.
	www.wilsoncombat.com /a_firing_pin_stops.asp (118 words)

	SIG firing-pin lock - TheFiringLine Forums
		The "patented automatic firing pin block" locks the firing pin in place until the trigger is pulled.
		The firing pins cannot be reused according to Sig.
		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.
	www.thefiringline.com /forums/showthread.php?t=19609 (815 words)

	Kimber Series II Firing Pin Block
		I do like it better in one respect than the Series 80 firing pin block of Colt: it is activated by the grip safety, not by the trigger (see diagram), so you get the clean trigger pull sans the click and crunch of the Series 80 guns.
		When you depress the grip safety, a small pin pushes a plunger up in the slide which unblocks the firing pin.
		White arrow points to pin which engages firing pin block plunger in slide
	www.sightm1911.com /lib/tech/kimber_sii_fpb.htm (148 words)

	SKS Owners
		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.
		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.
	www.murraysguns.com /sksown.htm (486 words)

	10mm Talk 198
		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.
		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...
		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...
	www.home.earthlink.net /~gnappi/talk/10_talk198.htm (796 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.
		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.
		Unfortunately, I can't speak to the issue of firing pin spring wear.
	www.1911forum.com /forums/showthread.php?t=9671 (422 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)

	MY SIG P226 .40 has the firing pin positioning pin broken - Topic Powered by Groupee Community
		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.
		April 22, 2005 08:01 PM Yes I have been shooting alot and I have been doing some dryfiring as well.
	sigforum.com /eve/ubb.x/a/tpc/f/150601935/m/712100852 (1086 words)

	Dealing With Light Hits
		Reassemble firing pin assembly and bolt, and align the bolt cap as it was when removed from the rifle.
		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.
		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)

	SPEEDLOCK FIRING PIN KITS at Brownells
		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.
		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.
	www.brownells.com /aspx/ns/store/productdetail.aspx?p=12723 (390 words)

	Benchrest Central Forums - Firing Pin Springs
		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.
		Put the spring over the firing pin and lower the quill until the spring compresses to the same length as the alum.
		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.
	www.benchrest.com /forums/printthread.php?t=2043 (1592 words)

	Glock Firing Pin Safety
		As the trigger is pulled towards the rear, an extension on the trigger bar pushes the firing pin safety up and opens the firing pin channel.
		In the secured position the firing pin safety mechanically prevents the firing pin from moving forward.
		A spring-loaded pin projects into the firing pin cut-out and blocks it.
	www.tulsafirearms.com /online-catalog/firearms/glock/glock_firing_pin_safety.htm (119 words)

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

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In the News (Sat 2 Jun 12)