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The bottom line, is the early P6s, prior to the development and introduction of the P225, used a different barrel. bblr has posted profiles showing the difference in the barrels ramps. If yours looks like the P225 barrel rather than the P6 barrel, you should be all right. I'm not sure of the "date" of the transition.
Look at the photos I posted in Post #13, the P6 barrel is on the left, the P225 on the right... notices the shapes of the feed ramps coming off the chamber... the P6 is angled from chamber to ramp, the P225 stepped! That should be a guide to determine what you have. Remember the ramp itself on mine is polished, but dimensionally duplicating the P225, in "my" opinion... and works!
I remembered it was a "J" month, either June or July, in 1989. The source of the information was a letter from SIG Sauer Eckernforde in response to an inquiry from a gun forum member asking if and when the feed ramp was changed. Unfortunately, the response was not explicit about the change being to the P6 only or to both the P6 and P225. The inquiring member took it to mean both.
Also, there are original owners of early P225s that state their pistols have the same barrel as the early P6s. As far as I know in all of the comparison photos of P6 and P225 feed ramps, the P225 barrel came from a post 1990 P225.
bblr,
It seems like the P6 shown on that pic has a wider feed ramp making one think it'd feed HP's better.
How would a gunsmith go about changing the feed ramp angle, and approximately what would they charge?
It might be beneficial, if we could assemble much of this information in a "Sticky", since we have had several threads covering the P6/P225 it seems the past 12 months or so.
A lot of newer faces, finding these old warriors, and putting them back into service, and asking the same questions.
It might be nice to point them in the same direction!
I bought my P6 from Bud's during the initial flood of imports for about $320. Several years after that I sent it to Exeter for the SSP. After arrival, I got a call from a Sig CS rep, who told me the barrel was shot out. He said it looked like tens of thousands of rounds had gone through it. I verbally authorized a new barrel to add to the SSP.
When it was returned to me, imagine my surprise when I saw a brand new P225 slide attached! My first thought was, "How nice of them to include a slide." I then checked the credit card bill and found that I had been charged for that new slide, as well as a feed ramp polish and several other tweaks, none of which had been discussed, much less authorized.
Needless to say, I called the rep back and voiced my displeasure. He could not explain satisfactorily what had happened, but had ALL charges reversed, including shipping to and from.
Spoke to someone at the Sig Sauer custom shop today.
He said it should feed HP's as is, but recommended me sending it in for one of their "Enhancements". He said they'd replace all the springs, detail clean it , and polish the feed ramp the shoot a variety of HP's through it to see if the feed ramp needed the angle fixed.
@bblr, here's a pic of the feed ramp on the gun I'm thinking of getting.
That's definitely the old angle. I would still buy a P6 if it had the old feedramp angle. I'm sure there's gunsmiths out there that can re-profile it to the new angle if feeding is a problem.
The thing with the old barrels is many will feed some hollow points just fine. I believe the shape of the bullet has as much to do with whether a P6 will feed a HP round or not as the barrel and feed ramp. My 11/79 P6 fed every HP I gave it - all 2 boxes of 2 different brands. The bullets on both brands were not very truncated and I think that was the difference. BTW my P6 is a range gun and normally only sees round nose ammo.
I've got Federal HST's LE 147gr, Federal 115gr Hi-Shok, Hornady Critical Duty LE 135gr, and Remington Golden Saber.
Those are my defense rounds and that's what I'd want it to feed.
My former P6 would choke on 124gr Gold Dots reliably and would sometimes feed 115gr CorBon +P hollow points. My assumption is the extra +P kick would help the feeding a bit, even though they had a might wide mouth.
For posterity, the only 9mms I have owned that were bullet profile sensitive are SIG P6 and 239. Glocks eat everything, Smiths eat everything, Browning eats anything, Kahr eats anything. My P225-A1 has yet to balk on a HP profile, but I only dozens of Gold Dots downrange.
Btw, that is an eclectic list of varying bullet weights.
FYI, every time I buy a used gun, I always at a minimum put a new parts kit in it. I will always do a complete tear down (to the frame), clean, and relube during reassembly. FYI, here's a pic of my P6 completely torn down, and reassemble nickel parts:
Dear God, I'd be terrified to even attempt something like that.
I shot it at 7 yds just to see how it would feed various ammo. It shout about 3-4" too low.
The front sight has an "8" imprinted on it and the rear sight a "7".
Take that for what it's worth.
If you look at my pic, in the lower box is where the ears of the plastic seat are it. If I remember correctly, I had to shave down the plastic on that "L" raised area to where it was flat. This allowed room for the seat to fit. The new strut is slightly to the rear of the gun compared to the old strut. This pushes the mainspring against where the grip is in the upper box. That raised area on the back needs to be removed to allow room for the mainspring.
Here's a pic of a new revision Hogue grip. Compare the old grip to the Hogue grip to see how much needs to be removed.
The P225/P6 is very similar in size to the P228, but the square trigger guard on the P225 might not fit all the way in.
I don't have a P228 holster, but I do have a P229R holster. I can try that and let you know how it works.
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