Ithaca. Accept no post-war substitutes.
We use varying levels of oversize barrels in our pistols, with varying degrees of metal in critical areas that have to be removed for proper fit and function. We can achieve our 1" accuracy guarantee easily with these barrels because we actually manufacture the barrels, slides and frames to our pre-specified blueprinted dimensions. We have done this at a considerable expense ourselves-unlike some other shops who rely on miscellaneous vendors for their critical parts and required a full-fit barrel on every build to compensate for these tolerances.
When your tolerances are dialed in, you don't need to start with a grossly oversize barrel, you could just manufacture the barrels to varying degrees of "oversize", select the appropriate one, and fit the barrel much more quickly with less margin for error.
If we were working with slides, barrels and frames being supplied by different vendors, with specs that are all over the place we would have to use a full-fitted barrel on every build, since the tolerances would vary so much.
All 9mm, 10mm, 38 super, .40 and Supergrade barrels use the most "oversize" barrels since we make less of those pistols and haven't tooled up for varying fits. All of the .45 pistols are either one of three different grades of oversize. I hope you find that information helpful.
Honestly, from what I've heard it seems like the general concensous is that once Sr. died, Nowlin's never been the same.
Here is the response I got from Wilson...
So it's a way of saying they use Pre-fit?
I owned what I believe was a Garth ( can't remember his last name) built Nowlin and it was top notch IMHO, and I think there's a Garth built gun up at OPS right now? Terry built a gun that was featured in the book of 1911 last year. Jr can build a gun from what I understand, I just don't know the why or why not behind why he doesn't build guns for Nowlin.
What defines "custom" to you?
I have to ask who did 40 lpi checkering for you and was it the front strap?
Michael Bay. Trident Precision Machine, Tulsa.
Yes it is the front strap and it feels awesome!
The "Greek" is Norman, right?
Here is the response I got from Wilson...
So it's a way of saying they use Pre-fit?
Honestly have no idea. Used to, Nowlin had the Fed contract, but apparently that has changed, or maybe in the process of changing. Again, just going off of what the owner of the company told me.The FBI and Homeland security orders Kart barrels? on which guns? Is Springer using them on Pros? That would be news.
Yes. Notice he said "we actually manufacture the barrels, slides and frames to our pre-specified blueprinted dimensions."
They have developed their own machining methods to hold much tighter tolerances and since they machine ALL of the mating pieces they don't have as much variation and total control on the tolerance and fit. You don't have that control if you are using someone else's machined pieces.
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