kel-tec p-11 springs???

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gunner03

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Someone posted awhile back that the p-11 was failing drop tests from as little as 4ft, and recommended getting a heavier firing pin spring. If that is going to make the gun safer I'm all for it. I went to W.C.Wolff and bought this. Recoil Calibration Pak
This pak contains 1 each of 18, 19 and 20 Lb. extra power recoil spring sets for the P11 and 3 extra power firing pin springs.
Allows the shooter a choice of recoil springs to calibrate the recoil function and saving 20% over individual spring prices.
Stock No. 13203 - P11 XP Recoil Calibration Pak..... My question is how to decide which recoil springs to use and why? The gun only has 2 recoil spring to start with. Any help would be very much appreciated! I am relatively new to handguns. Thanks Gunner03
 
Just leave the stock spring in it. The heavier springs will protect against battering from the slide with +P loads, but I don't run +P though my gun much even though I carry +P. The gun is rated for limited +P with the stock spring. But, if you're not shooting +P in it, I don't see a heavier spring being that big a deal.

However, to "tune" it, start out with the heavy spring at the range and shoot it. If it fails to eject, go to the next lighter spring. You can also note how authoritive the ejection is as a gauge to how well the gun is working.

I upped the spring in my Ruger P90 with a Wolff 20 lb spring and it works well with my standard or +P loads in .45ACP. I suppose the strongest spring the gun will function with will protect the gun longer from slide battering. I've been shooting my P11 for 8 years now, thousands of rounds (uncounted) and no problems. I fire mostly factory 115 grain WalMart stuff in it anymore. Stuff is so cheap I can't justify reloading the caliber anymore.

As far as the gun being drop safe, I've never tested that, have dropped the gun before accidently when getting dressed. If it wasn't drop safe, I think I'd have heard all sorts of horror stories by now. The gun relies on a zero enertia hammer to keep it from drop firing. IOW, there is no weight of the hammer on the firing pin side that isn't counterweighted on the off side of the pivot. There is no mass on the hammer to cause enertial firing if dropped. The only weight is in the firing pin itself and if it could drop fire from 4', you'd think there'd be a slam fire problem with the gun. The velocity of the slide when closing on a new round is faster than the gun dropping from 4', much faster. The hammer drops with a rather high velocity because of the light weight of it and for this reason Kel Tec recommends you don't dry fire it.
 
I had read somewhere that they had been drop tested from as high as 50 ft with no problems, but that was a long time ago and could have been written by a biased source.I guess since I've already bought it I'll at least do the firing pin,and try the others at the range just to see. Thanks
 
He did state that he had modified some springs. The PVC almost doubles the weight, increasing the drop speed. I don't recommend messing with springs on a carry weapon, they all need to be balanced.
 
ShelbyV8 said:
He did state that he had modified some springs. The PVC almost doubles the weight, increasing the drop speed. I don't recommend messing with springs on a carry weapon, they all need to be balanced.

Go back to your physics, increasing the weight of the gun won't increase the speed at which it drops. A chevy Suburban dropped from 200 feet will be dropping at the same speed as a 1 ounce fishing weight when it hits. The only thing than can vary that is air resistance. In a total vacuum, a feather will be dropping at the same velocity as the Chevy.

I can see where lightening the firing pin spring might effect drop firing, but 4 feet is a little unbelievable for me. I've dropped mine muzzle down from that high before, or nearly. I might ought to do a drop test with an empty primed case. A four foot drop wouldn't damage the gun at all. I just find 4 feet to be totally unbelievable.
 
I have over 15K rds thru my Keltec, I quit counting. This is the gun I really wanted to hate, ended up keeping after T&E. Mine has run 100% , only malf's were introduced malf's with dummy rds.

-Mine still has the original parts, including Firing Pin, firing pin spring, recoil guide rod and recoil springs.

-I subjected mine to, among other "tests" , taking only primer cases and whacking the gun with rubber hammer. Mine never discharged, and I do mean the gun was whacked!

-What folks complain about , that l-o-n-g trigger pull, is partially due to being hammer fired. Meaning the FP is not "partially set" as some striker fired guns.

-While we are not supposed to pull trigger again on a semi on a Malf, say a hard primer, being hammer fired allows for second strikes on a P-11. Gun also works without a mag. Basically the P-11 is a polymer DAO revolver, if you think about it.

-Now just because I am just the way I am, I do have extra parts. I have installed and used these, I could tell no difference. Parts in parts place, originals back in.

-My allen screw that holds the FP, well I notched it with hand held spring punch, not that the thing would back out, then again I do not trust Murphy. This also assists with knowing "adjustment" , not too tight, not too loose, just the sweet spot for the notch in FP where allen screw fits.

-That FP channel , whole design is interesting. It works.

-T&E also included fine sand like found in cigarette ash cans. Bascially I put a loaded gun, including round chambered, into a box with sand, and then dumped more sand into the box. Safety observed, still shook the box to get sand and gun mixed real well. Gun fired as did all the rounds in the mag, and the mag also tossed into the box of sand.
Just making sure a pc of dirt, sand or would not freeze the FP in place, either causing it to NOT fire, or keeping firing pin protruded enough to allow a rd to fire when the slide returned to battery on a rd chambered and not having to pull the trigger. Making sure mags worked...etc.

-Repeated, (primer only this time) and gun whacked with rubber mallet.

-Whacking was done with primer only, with firm grip, and limp wristed...I mean the gun was knocked out of my hands more than once, onto hard grass and never fired. Again. controlled tests observing safety in a safe area.

-In a inexpensive thin , man-made material holster, which I punched two holes and tied the gun into (think strap like on holster) I again loaded the chamber with a primer only case, and dropped from the top of a shed, to tossed this hard again railroad cross ties. I never had the gun go off.

T&E was for many reasons. I was told to "tear it up if can". Reasoning was for folks that may use this in Armored Cars, bumping and whacking door facings , jumping out of cars...
The painter, carpenter, plumber or whomever that may use one in a "rough enviroment".

NO, not my favorite gun , I prefer SA only in blue and wood like 1911 and BHP. I prefer K frames, and the J frame for "always" guns.

P-11 is to me a niche gun. I do not care if it gets scratched, wet, muddy, dinged...and if ever used and has to spend time in a evidence room, well the gun is the least of my worries.

Another point often forgotten by some and brought to light by Mr. Keenan - if your CCW is taken into evidence, told to drop it by LEO sorting out the scene...

Some folks are 1) limited in what regs say they use, i.e. armored car folks, Model 10s was the mainstay forever, P-11 added to some companies. 2) some folks are limited in funds, they do not get a break on guns for jobs, these guns are bought with their own monies. So while they would prefer a nicer, more expensive gun, regs say they cannot on the job. So the price point allows some to get Police trade in Model 10s, or a P-11. While some are not into guns, some are. Meaning they would rather keep the Model 10 at home for a Home/Bedroom gun, one the wife and family can and will shoot, and use the P-11 for work. This way ~ $600 they have two guns, instead of just one.

9mm is affordable and folks will shoot more if the ammo is easy to find and affordable. Especially folks that do not reload, not really into guns, or they do not know someone that will reload for them.

I just look at the whole picture from outside the box. I have my druthers ...then again I was taught to view from my perspective, the other person's and the third party off to the side not interested, or involved.

So I test stuff from "perspectives" not many folks think of, perspectives shared to me from folks that have BTDT.

"Littler" guns by vary nature of design just cannot have the trigger pull of larger ones. Physics and such come into play. There is only so much mass and length to allow levers and springs and such to work. There has to be a trade-off in "small" and "smooth, and "reliable". Hence the reason on "littler" guns, semi or revolver, you just cannot get that smooth trigger of a larger S&W/ Colt, with assurance of getting primers to go off everytime.

I do not recommend , nor does THR or staff, some of the testing methods I did.

I did not receive any compensation for testing this gun from the mfg, or anyone else. I was asked by a gunsmith buddy to do this, as was another individual as some customers and businesses just wanted to know. I do not recieve anything now from anyone on anything. I just do these things for MY own benefit because I am curious, or someone close to me is.

All I can share is what I did, my experiences. We all learn from each other...way it is supposed to work in my mind anyway.

I do know one fellow has had his gun fall, when he caught himself working on a ladder. Gun stayed in his holster and fell onto concrete from about 12 ft. Gun did not fire. I do know one car wreck in which the gun was in a lockable container, force of accident did not discharge the gun. I know in training, some guns have gone downrange and did not fire.

I assure you if you want a "tackier" grip on a P-11, have a 2 liter of coke spilled all over and into one. Yes the gun runs, coke smells funny when heated, and the spent brass has dirt, sand, and whatever stick to it. Not a planned test...just sometimes "stuff" happens in this deal called life.

Okay maybe "just making sure" and pouring more coke into and two more mags was not needed, but hey if a test "presents itself" by golly follow thru with it - right? :p

Now this is MY gun, and same results from the other individual testing and some others. The Key being WE tested OUR guns. One has to check out their own firearms, ammo, and all equipment. What may work for someone else may NOT work for you.

Personally - I am right partial to Model 36, 37 and 442 and similar. I have a 1928 Colt Detective Special, not raised with Colt wheelguns [seems backwards to me being raised with Smith's] this gun is a great gun with 6 rd capacity. Heck even though I prefer blue, I can see myself carrying a 642...just refuse to have one with a lock.

So I concur with those that a small revolver is hard to beat for a reliable , always, CCW. Proven, will continue to be proven.

I was just asked to test the P-11...

Regards,

Steve
 
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I was a regular on the Keltec board a while back and the moderator had his P-11 discharge when he dropped it in his house.

Member YZ Guy did some testing (linked above)and repeatedly got his to fire from 4+ feet....if dropped precisely on the muzzle. It must hit JUST right to go off but it WILL!

The Wolff Extra-Power FP spring makes the gun safer if you drop it. At least 8 feet (IIRC) to go off. I carry mine every day with the EP-FP installed and have not had any ignition issues even with the mainspring reduced with the V-clip mod. Still whacks the primers right smart.

The V-spring mod is just a paper-clip with the middle bent into a tight V and substituted for the pin that holds the stationary end of the mainspring. You can see it just behind the magazine on the bottom of the butt.

The reduced mainspring tension also helps reduce the drop-firing tendency. It isn't so much the hammers' weight that causes the drop-ignition, it is the tension of the hammer pressing on the FP that defeats some of the tension and allows it to more easily go forward when dropped.

The slide...by itself....will not drop-fire. Only when the hammer is pressing on it is there the potential for trouble. You can test this for yourself. Empty gun and press on hammer with a suitable prod. You will find that you can press the FP forward with little effort. Making the hammer lighter and the FP heavier makes this effort much higher and thus safer.

As far as the Recoil Calibration kit goes, I got one and went straight to the heaviest 20lb set as I normally carry 147 Rem Golden Sabers. Totally reliable function and the heavier springs seem to tame the recoil a bit....or at least change the way it feels. Regardless, it shoots just fine with the heaviest spring.

The only malfunctions I have encountered were with some 90gr ammo that barely had enough oomph to eject. The ones that did landed about a foot away and a couple out of 100 didn't get the slide back far enough to feed the next round. Never a problem with 115's and heavier in my gun.

Manufacturers must allow for anybody shooting anything in their guns so the springs are normally pretty weak as this best allows for limp-wristers shooting lightweight ammo.

However, this 'do all' capability comes with the price of some frame battering with the hotter ammo. If you do not plan on shooting the really wimpy stuff, you can tune the gun to your preference.
 
Sm, I think you should be a gun writer ;) :) ;) :)
After firing 15k rounds in your P11 and doing all kinds of tests that show the P11 is a solid, reliable pistol, you conclude that "So I concur with those that a small revolver is hard to beat for a reliable , always, CCW. Proven, will continue to be proven" Huh?????

I thought you'd recommend the P11 instead of a revolver!
 
I don`t have as many rounds through mine as Steve does,only a little over 10,000. It`s never gone BANG unless I wanted it to and then it`s done it every single time. A fully loaded P-11 is so butt heavy I doubt it would ever fall on the muzzle anyway,so you`d have to have a very unusual circumstance indeed (in real life) for it to happen. Here`s another radical idea, don`t drop your gun on the ground! :p Marcus
 
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