Questions about my new M305/M14S

Thresher

Thresher

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GunNutz
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East of the Rockies
Just a few questions regarding m rifle I just recieved in the mail today. First, I was surprised to see the model and serial numbers electric-penciled on the side of the reciever, which I had thouht would be on the top rear. Also, my safety engages HARD even though I thouroughly cleaned the trigger group but I guess this will wear in. The most important issue to me is the gas system, which parts aren't compatable with U.S. M14s?, because eventually I'd like to change out the gas parts. Is it the gas plug with different threads or is it the threads on the barrel that the locking pl;ate threads on to?
And last but not least, is it normal to have three or four threads exposed forward of the locking plate??

Thanks for the patience guys, I'm looking forward to your answers.
 
Norcinco gas system parts are not interchangable with their USGI counterparts.

The gas nut has a metric thread as well as the gas lock, plus the Norinco gas piston is a slightly different diameter then the USGI gas piston.

The castle nut that hold on the FH is also metric.

A few exposed threads on the barrel where the gaslock is located is normal when it is tightened.

SKBY.
 
no snob factor here, I have a whole box of U.S.G.I new parts bough at a yardsale in maine from an older lady whos husband had passed on, and was wondering what would and wouldn't fit as replacement parts if I ever needed to replace. Call it the curiosity factor. I also asked about the threads because my winchester M14 doesn't have more than half a thread showing, it's almost even with the lock. Skullboy, do you mean threads showing is common for the norincos or M1As/M14s in general?
Thanks
 
Last edited:
Splatter:

I must confess that I am a USGI parts snob. That aside, when the M14 is used for regular competition, I prefered to use USGI parts since I could easily (long before 2002) replace the worn parts. I was shooting NRA High Power matches at least 2X per month at 50 rounds per match, plus the practice and load testing in between.

Back in 1986, spare M14 parts were plentiful and easy to buy from Numrich and SARCO in New York and New Jersey respectively.

Fast forward to a post 9/11 world with shztloads of $ 399 Norinco shooters and M14 USGI parts are very hard to find and harder to afford. And hence my recommendation to keep your Norinco M14 as an inexpensive battle rifle and blaster.

Next and final point: Save your money and anxiety by avoiding the rush/hype to build yourself an M25 wannabe (Designated Marksman Rifle). You'll be into the $ 2K mark and who knows if you will ever recover your $$ out of that project.

Enjoy the inexpensive M14 addiction by keeping it inexpensive !!

Review my DVD or videos where I continuously advocate the "Welfare Approach" to tweaking all the potential accuracy out of this $ 399 blaster !!
 
Thresher: You are right. The gas lock seems to expose a pile of threads on the Norinco barrel. That's all cool.

Yes, the real USGI M14's like your Winchester will only expose a little bit of a (coarser) thread. That's allright.

Now, here's a little known fact about the USGI M14s... that most people on this board don't know: USGI gas cylinder assemblies and their front bands were NOTORIOUS for rattling, even when the gas plug was cranked down. Sloppy to the tune of 15-20 thou (0.015" to 0.020") of slack between the shoulders on the barrel and the front band. HEY ! It was designed as a battle rifle and NOT a tack driver !!

Hope this helps understand the addiction !
 
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