THE ACCURATERELOADING.COM BIG BORE FORUMS


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Picture of WyoJoe
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I just came from the gunshop where I just picked up my P-17 (By winchester). This is going to be the basis of my first big bore. I have some questions on it that this forum might have the answers for. I was thinking of having it barreled for .458 Lott or .416 Rem Mag. I has already been sporterized. About all it needs is barreling, the bolt face opened, and the feed rails worked. I noticed the magazine box is too short for the .375 H&H. Can it safely be opened up for a longer cartridge? Also I noticed it is cock on closing. Can it be converted easily to cock on opening? Or is it really no big deal?If the box can't be opened up I will probably have it barreled for the .458 Winchester. I appreciate any information.

Thank You,
WyoJoe

 
Posts: 1172 | Location: Cheyenne, WY | Registered: 15 March 2001Reply With Quote
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The P17 is an excellent candidate for a big bore such as 458 lott. Here is what you do:

open bolt face
open rails
tune rails for feeding
tune ramp for feeding
open bottom of receiver for length
build new magazine box and follower for magnum length
straighten floor plate (cut & re-weld)
hone trigger
convert to cock on opening
grind ears off
drill & tap
cut off bolt handle and weld a straight one on (the dogleg handle will probably hit your knuckles under heavy recoil)
take off barrel (this can be a big deal on an Enfield)
thread new barrel
ream new barrel
set headspace
test fire

Unfortunately, the labor for this is a lot more than just buying a CZ550 in 458 win mag and reaming it out. But the end result is nicer.

 
Posts: 18352 | Location: Salt Lake City, Utah USA | Registered: 20 April 2002Reply With Quote
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WyoJoe, the P-17 can be opened to any of the major big bores. Long magazines can be made or purchased and the rifle will handle whatever you want to put into it. This same action is what Art Alpine of A-Square built all of his big bores on. It requires a lot of work and time but it can be made into a great rifle.

Good luck
Steve

------------------
Every man dies, but not every man really lives!!

 
Posts: 439 | Location: Kansas by way of Colorado and Montana | Registered: 04 April 2001Reply With Quote
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"take off barrel (this can be a big deal on an Enfield)"

Turn the shoulder off the barrel using a lathe and unscrew the barrel by hand.

: )

 
Posts: 813 | Location: Left Coast | Registered: 02 November 2000Reply With Quote
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Scot,

I guess taking off a lug nut could be a big deal if I did not know which direction to turn it. Thanks for the info.

:-)

 
Posts: 18352 | Location: Salt Lake City, Utah USA | Registered: 20 April 2002Reply With Quote
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Picture of Paul H
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My previous 458 lott was built on a P-14.

500 grs seems to have covered all that is involved. The lott I had was poorly converted, I had to do some rail work to get reliable feeding. Mine had the cock on closing, and I never considered changing it. I had a timney trigger.

I agree that getting a new CZ-550 458 win mag and having it re-chambered is a better way to go. If you add up the costs of the action work, new barrel, iron sights, and bluing, you are looking at $1k, or more for the barreled action.

Honestly, with the availability of the CZ 550, I see no reason to use a P-14 or P-17 to build a big bore on. Perhaps for the 505 Gibbs, but 416 Rigby on down, just go CZ. Well, there is the other reason, you have a machine shop and want to do the work yourself. Having a big bore compatently built on a milsurp action is much more exspensive then buying new.

 
Posts: 7213 | Location: Alaska | Registered: 27 February 2001Reply With Quote
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Picture of WyoJoe
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Paul,
I hear what you are saying but my P-17 already has a lot of the work done on it. It was that way when I got it. About all I have to do is have it barreled, bolt face opened up, feed rails worked, and if I do it as a .458 Lott have the magazine opened or replaced. The guy who had it before me did a lot of the work and then I think he had to trade it in. It even has a brand new walnut stock that has never been used. Not too bad of a deal for $260 + tax.

WyoJoe

 
Posts: 1172 | Location: Cheyenne, WY | Registered: 15 March 2001Reply With Quote
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Wyo Joe,

If you still need to open up the bolt face, open the rails, change the feed ramp, build a magazine box, etc., then what work was already done on your P17?

 
Posts: 18352 | Location: Salt Lake City, Utah USA | Registered: 20 April 2002Reply With Quote
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Add surface grind,new trigger, 3 pos. safty and a rust blue to 500's box....just buy a drop box magazine for that big boy...First class is just a little cheaper...A 505 would make the finished gun worth about $2500 more. Now thats an incentive.

------------------
Ray Atkinson

ray@atkinsonhunting.com
atkinsonhunting.com

 
Posts: 42321 | Location: Twin Falls, Idaho | Registered: 04 June 2000Reply With Quote
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Picture of Paul H
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quote:
Originally posted by WyoJoe:
Paul,
I hear what you are saying but my P-17 already has a lot of the work done on it. It was that way when I got it. About all I have to do is have it barreled, bolt face opened up, feed rails worked, and if I do it as a .458 Lott have the magazine opened or replaced. The guy who had it before me did a lot of the work and then I think he had to trade it in. It even has a brand new walnut stock that has never been used. Not too bad of a deal for $260 + tax.

WyoJoe



You must not be familier with what all is entailed in what you listed as still needing to be done. Barreling is $350-500, do you want irons, if so $100 minimum, bolt face, and extractor $50 minimum,

feed rails, hard one to estimate, absolutely what seperates the men from the boys, and what differentiates a DGR vs a rifle chambered for a large bore round, I'd say $100 min, but if it runs $300, pay it. There are probably a dozen people in the country that should be entrusted with this work, and 100's that should never even be allowed to touch a gun, let allow take a dremel to it.

You not only need the magazene opened, but the action has to be milled to allow for the longer ammo, and you can't just open the magazene, you need a new follower and spring, so figure $200 minimum, if you go with new bottom metal, $400.

So what are we up to? $800 to well over $1000. I highly, highly, highly recomend against going this route, if it is done on the cheap, it'll still be an exspensive project, and if it isn't done by a compentent smith, which is almost guranteed if done by a local or on the cheap, it'll be a poor rifle. There are very few competent gunsmiths in this country, and fewer still that understand what is required to build a gun to hold up to the 458 lott. It doesn't have to cost a fortune, but it does have to be done right.

I know, because I went down the same exact path. I came across a P-14 already barreled as a 458 lott, with a cracked stock, and a thin contour 21 1/2" barrel for $400. I fabricated a second recoil lug for the barrel, and repaired the stock. It didn't feed well, so I did some work on the rails. Still wasn't right because it had the standard magazene follower.

I thought about rebarrelling, as I wanted a heavier and slightly longer barrel, but then figured I had $400 into the action, which wasn't worth it. I sold the gun with dies, brass and bullets to a buddy for $500. The stock cracked again, and he had a custom glass stock made for $700. It still has the fundamental issues with the magazene. He likes the barrel as is, and its a good enough gun.

When folks say start with the CZ, they've either gone down the same road I did, or realized the wisdom in others advice and avoided making the same mistakes.

 
Posts: 7213 | Location: Alaska | Registered: 27 February 2001Reply With Quote
<R. A. Berry>
posted
WyoJoe,
Ditto Paul H.
That is why I find the CZ 550 Magnum so enthralling, and why I sold the P-17 I once bought. If the rifle you have is a shooter, you got a bargain, but there is no sense in going the Enfield route nowadays. Save the money and avoid the aggravation. Use that Enfield as is or trade it in on a CZ 550 Magnum, this is the practical approach.

------------------
DaggaRon
RAB

 
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Look here Frank.
 
Posts: 9823 | Location: Montana | Registered: 25 June 2001Reply With Quote
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The 1917 Enfield is a great action, but you will spend big bucks getting it to work for a Lott or worse a 505 gibbs. While the bolt is easy to open up for a Lott, a 505 gibbs requires you to use a P-14 bolt as there isn't enough metal on a 1917 bolt. Buy custom bottom metal from Precise metalsmithing and save yourself alot of grief. The rails need to be milled out and the ramp milled to fit. Doing this for a 505 Gibbs is real hairy stuff. There are lots of other problems involved although converting to cock on opening isn't too difficult.
In the end you will wish you bought a CZ550.-Rob
 
Posts: 6314 | Location: Las Vegas,NV | Registered: 10 January 2001Reply With Quote
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Hey guys, he has already bought the Enfield so thats a done deal...the CZ doesn't seem to be an option in his case..

The Enfield is one of the nicest big bore actions around when done right and full blown, and yes its expensive, but if done right any 505 Gibbs will bring about $5000. minimum and up to $10,000 or more. The 458 Lott will bring a Lott less money...

------------------
Ray Atkinson

ray@atkinsonhunting.com
atkinsonhunting.com

 
Posts: 42321 | Location: Twin Falls, Idaho | Registered: 04 June 2000Reply With Quote
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You can also get bottom metal from London Guns in California. Cock on opening kits are available, Brownells has the extended followers and mag boxes, I believe. Yes it is a lot of work, but what better way to learn? I say go for it, and enjoy. - Dan
 
Posts: 5285 | Location: Alberta | Registered: 05 October 2001Reply With Quote
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I'd say go for the Enfield and I'd barrel it 404Jeffrey, or even 416Rigby. It will cost you whatever you want it to cost. The Rigby is more work but there is no magic to this, just time if you can do some or all of it yourself.
I have several Enfields all of them are chambered for 375 length cart. You can expect to spend many months on this project. I am working on 2 Enfields now,I hope 1 will be a 475Mbogo and the other a 358/416improved of some sort.
I would suggest getting a look at some that have been done and go from there. I have some p14 bolts here if you need one as well as numerous parts. If you can, locate an A-Square Hannibal to look at or copy.
I have a cz in 416 Rigby and as much as it's a good shooter and handles recoil ok it is butt ugly. Mark
 
Posts: 109 | Location: Sask.Ca | Registered: 27 February 2001Reply With Quote
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As an afterthought, find a copy of the 2002 Gun Digest and look on page 101. There is an Enfield there built by Tom Burgess and stocked by D'arcy Echols in 416 Rigby that is just gorgeous. - Dan
 
Posts: 5285 | Location: Alberta | Registered: 05 October 2001Reply With Quote
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I have both a 416 Rem and a 375 H&H using the P-17 enfield along with many big bore rifles and yet the 416 and 375 are always with me on any hunt. I will say yes I have more money in them then I would have if I bought something different but I love the way they both turned out
 
Posts: 35 | Location: washington USA | Registered: 13 January 2002Reply With Quote
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