I just had to share this build with you M14 lovers out there. Have a gander at the finished product!
I mentioned that we started with a Norc 2009 rifle. The barrel came off so sweetly. Some of you who have helped me rebarrel your M14's can recall all the jumping up and down on the wrench
This one was fast, slick, and quick. I was totally impressed. The flash suppressor was not welded on. Super smooth and predictable removal. Damn... those Zhinese high school shop class teens got this job right!
Have a look at the receiver with the USGI Winchester made barrel:
What I love about working with USGI parts or USGI Spec'ed parts, is that everything lines up predictably! Life is good! Have a gander at the this Norc gas cylinder that slid right on to the Winchester barrel.
Here is the HRA op rod that needed very little work on the (filing gently) on the interior of the op rod tab to get things to fit on the Norc 2009 op rod track. Life does not get any better than this. M14doctor will be the first to agree with me that sometimes the USGI spec'ed op rod tabs need some tweaking to fit the Norc or Poly op rod tracks!
So here is the Norc gas cylinder assy. I only needed ONE shim (8 thou) made of stainless steel to get that USGI gas cylinder lock to time perfectly (tension at 5 o'clock, plastic hammer to bottom dead center or 6 o'clock). Hey even the 2009 Norc gas cylinder assemblies come with spindle valves that actually work with only light thumb pressure. Life is great.
And finally, for you bayonet lug fans, drool over the USGI unit... I love this build
I closed the stripped USGI bolt on a GO gauge of 1.630" and it closed perfectly. Then closed (or tried to) the bolt on a NO-GO gauge of 1.634" and the right lug only closed halfway... this indicated about a 2 or 3 thou(sandths of an inch) shortfall. Good news because the chamber is likely about 2 thou ABOVE the GO gauge. Pretty close to a match chamber (not a NATO chamber of over 10 thou... most Norc/Poly chambers are around 10 to 15 thou OVER the 1.630" SAAMI GO gauge). This baby will be a tight chamber (read: range work, hunting) but not necessarily for muddy, frozen, rusty, corroded ammo that you might encounter during the
zombie invasion! 
Sometimes in life, if you ever come across USGI parts like we did for this build, the stars align for you nicely. This project did not get any better. I loved the process so much that I had to share it all with you!
Enjoy the pics! Fire away any questions you may have!
Cheers all!
Barney

I mentioned that we started with a Norc 2009 rifle. The barrel came off so sweetly. Some of you who have helped me rebarrel your M14's can recall all the jumping up and down on the wrench
This one was fast, slick, and quick. I was totally impressed. The flash suppressor was not welded on. Super smooth and predictable removal. Damn... those Zhinese high school shop class teens got this job right!

Have a look at the receiver with the USGI Winchester made barrel:

What I love about working with USGI parts or USGI Spec'ed parts, is that everything lines up predictably! Life is good! Have a gander at the this Norc gas cylinder that slid right on to the Winchester barrel.

Here is the HRA op rod that needed very little work on the (filing gently) on the interior of the op rod tab to get things to fit on the Norc 2009 op rod track. Life does not get any better than this. M14doctor will be the first to agree with me that sometimes the USGI spec'ed op rod tabs need some tweaking to fit the Norc or Poly op rod tracks!

So here is the Norc gas cylinder assy. I only needed ONE shim (8 thou) made of stainless steel to get that USGI gas cylinder lock to time perfectly (tension at 5 o'clock, plastic hammer to bottom dead center or 6 o'clock). Hey even the 2009 Norc gas cylinder assemblies come with spindle valves that actually work with only light thumb pressure. Life is great.


And finally, for you bayonet lug fans, drool over the USGI unit... I love this build

I closed the stripped USGI bolt on a GO gauge of 1.630" and it closed perfectly. Then closed (or tried to) the bolt on a NO-GO gauge of 1.634" and the right lug only closed halfway... this indicated about a 2 or 3 thou(sandths of an inch) shortfall. Good news because the chamber is likely about 2 thou ABOVE the GO gauge. Pretty close to a match chamber (not a NATO chamber of over 10 thou... most Norc/Poly chambers are around 10 to 15 thou OVER the 1.630" SAAMI GO gauge). This baby will be a tight chamber (read: range work, hunting) but not necessarily for muddy, frozen, rusty, corroded ammo that you might encounter during the
Sometimes in life, if you ever come across USGI parts like we did for this build, the stars align for you nicely. This project did not get any better. I loved the process so much that I had to share it all with you!
Enjoy the pics! Fire away any questions you may have!
Cheers all!
Barney
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