Barrel for a CNo.7 .22 Enfield
- Thread starter mark k
- Start date
I'll bet there'd be a great market for someone who tooled up to produce original pattern Cno7 barrels...lots of people looking for them.
Incidentally- can they be made up generically? Do they not have to be made up a bit oversize on the shoulder dimension and then fitted to the receiver so that the extractor cut indexes correctly as the knox form flat indexes correctly as the front sight indexes correctly? Which usually doesn't happen without some skilled fitting up...
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stencollector
CGN Ultra frequent flyer
- Location
- shilo MB, the armpit of Canada
The machining of the Enfield barrels and receivers had the indexing already built in to them. I have replaced many barrels on the no4s and no7s, and I don't recall ever having to remove metal to make them fit. There is no reason why if someone was making new 22 barrels, theycould not also meet this standard.
Of course, for the 50 or so barrels that would meet the Canadian market, it would not really be called mass production, and therefore not be priced like mass production either.
Of course, for the 50 or so barrels that would meet the Canadian market, it would not really be called mass production, and therefore not be priced like mass production either.
I'm no expert on CNC machining, but if someone had a Cno7 barrel and programmed a CNC machine with all the specs, and fed it .22 barrel blanks, would it not output perfect barrels ready to rock?
Doubt that a single CNC machine could be programmed to spit out finished barrels. How many fully automated rifle barrel lines do you suppose there are in Canada? Who would be willing to setup for a run of a handfull of barrels? A US barrel maker like Shaw or Wilson could make a run of contoured, threaded blanks. A second contractor could do the breeching, chambering, etc. But the resulting barrels would not be cheap. Mass produced generic Mauser type barrels are $150 or so. Generic M-1 barrels are $200. These are made in large quantities. If a limited run of finished No. 7 barrels could be made for under $400, I would be surprised.
There go the economics, shot to hell...
Once again, putting a liner in a dark .303 barrel begins to make sense.
There are a couple of little catches to liners. They are controlled exports from the US, so there is that hurdle. Brownells sells Redman's liners in two lengths, 24" and 32". A Lee has a 25 1/4" barrel. Guess which liner you need? The 32" liner is a lot more expensive than the 24".
w ww.trackofthewolf.com has hammerforged .22 liners for US$4.20 per inch. Brownells sells Redman's button rifled barrels in 24" and 32" lengths. Lee barrels are 25 1/4" long. The 32" liner is about US$80. Liners are subject to export controls. Sleeving a .303 barrel is not particularly difficult, although the .303 chamber must be sleeved separately, and the barrelface/boltface relationship of a .22 is different than a .303, so that must be dealt with. Basically you wind up with a simulated No.9 rifle.
CNo7 Barrel
CNo7 barrel source has dried up! I've tried several sources and the general comment is "wish I had something to sell you however haven't seen anything in a long time".
Any body purchase one recently? What do you think these would sell for? Used? Unissued?
CNo7 barrel source has dried up! I've tried several sources and the general comment is "wish I had something to sell you however haven't seen anything in a long time".
Any body purchase one recently? What do you think these would sell for? Used? Unissued?
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maple_leaf_eh
CGN Ultra frequent flyer
I have seen Tiriaq's .22LR barrel liner reamer. It has a .303 pilot leader then a conventional reamer body attached to a long rod. He explained the process to me, and it is perfectly logical. Start by boring out the chamber and plug it with a hollow cylindrical slug. Then run the reamer down the bore. He said some .303 bores will still show grooves after reaming, but they fill in with the epoxy around the liner.
As long as the rim of the .22 is supported against the bolt face, either with a ring on the face or a protrusion on the chamber face, you'll be all set. Really quite simple when you think about it.
As long as the rim of the .22 is supported against the bolt face, either with a ring on the face or a protrusion on the chamber face, you'll be all set. Really quite simple when you think about it.
How's the accuracy with a properly done liner?
Or better yet, how much for a complete turnkey installation, someone hands you a dark bored .303, gets back a functional and accurate .22?
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You might want to try this method....use the .303 barrel as a bushing, cut off the barrel ahead of the knox form, drill it out, thread it and screw any .22 cal barrel you like into the bushing. If you are using "Full wood" no one will know and it means you can use any .22 barrel you want. We have done this a couple of times and the results are very good. .22 rifle barrels are available at just about any gun show, they usually come attached to a Cooey reciever of some sort!!!
Scott
Scott
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Interesting idea. You'd still need it to be about 25" long and mount an enfield front sight base on it, although that's not hard as long as you have a .22 base, the pins and a lathe.
Some older barrels are long enough; a Cooey 75 comes to mind. If a scrap .303 barrel's muzzle is cut off and bored out, it can be installed on the .22 barrel, to provide sight base mounting lugs, as well as bayonet lugs, if desired. Its not really necessary to use a .303 breech as a bushing, easy enough to make an adapter sleeve to fit the .22 barrel. As M39a2 pointed out, what is under the wood doesn't show. One advantage of doing a .22 version of a No.5 is that a shorter barrel is needed.
stencollector
CGN Ultra frequent flyer
- Location
- shilo MB, the armpit of Canada
You one veddy smart cookie, 5 ton ( M39).
I think even a beginner on the lathe like me can tackle this.
I think even a beginner on the lathe like me can tackle this.
