M-305 FTF After almost 1000rounds

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ciccio

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I was shooting Norinco steel cased(7.62X51) and American Eagle .308(147gr) at the range the other day when this happened...

m305extractorpost.jpg


As you can see the, tip of my extractor broke off.

It happened with the Norinco ammo. Before this, it has performed flawlessly. The only thing that I did different from my other shooting sessions was the introduction of the American Eagle.308 FMJ @150gr.

All this aside, I'm still happy with my gun!

My gun is a stock Norinco M305 except:
stainless oprod spring guide and buffer pad.

Anyone have a spare extractor? Anyone in the LMD? :)

Also, are the extractors on the Garand bolts interchangeable with the M305 extractors?
 
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Yes, M1 Garand extractors are exactly the same dimensions as the M14 ones. If you can find someone with a spare you will be good to go.

Just be careful to strip yer bolt underneath a towel (catch the ejector and extractor spring, etc).... Re-assembling can be a biatch. Lots of advice on the Sticky section of this forum on how to re-assemble.

Keep us posted
 
I’m wondering if this could have been the result of having used steel case ammo?

FWIW: If you rifle is from Marstar, purchased within one year, it would still be covered under their warrantee.

I’m curious, how many rounds should an M14S (Norinco) be able to shoot before a parts failure? What’s the “ballpark” average?

Exerpt taken from: M14 History and Deveolpment, Lee Emerson, October 10 2006:

"The Mean Time Between Failure (average time between any failure requiring repair) was 270 days ... As of November 1965, the aveage annual ammunition usage for each rifle was 810 cartridges (610 rounds ball, 50 rounds tracer and 150 rounds blank)."

From this study it may be surmised that the M14 rifle will shoot < 810 rounds before MTBF. - Is it just me or does this seem like a low round count before failure?

Are M14's so fragile? :runaway:

P.S. From the same document: "The average production cost was $150.15 per rifle with TRW being the most affordable of the four manufacturers." - and we thought $400.00 was cheap.:p

Jeff
 
Jeffman: Despite the broken extractor, I don't find the M14 so fragile. I don't "baby" it like my scoped bolt actions and sometimes I don't clean it for days after dragging it through the bush and shooting it in all sorts of nasty weather. (of course I'd do this too with a C7...:rolleyes: )
I've even dropped it a few times while pulling stuff out of my truck and never had a problem. I just make sure she's well greased and she always shoots very well even after dragging her through muddy swampy areas while chasing wetcoast black tails. This rifle has served me well beyond my needs. For the $400(Marstar) I paid for her, she's earned her keep.


Thanks for the info Hungry. I figured since the Garand is not on the U.S. restricted list that requires import docs, I could order a Garand extractor from Numrichs. I wonder if the Garand extractor plunger and spring will fit too? :)

Hungry here: Yes to the extractor plunger. The ejector spring from the M1 Garand is too short. Recall that with ball powder and the .308 Win cartridge, the engineers discovered a faster cycle time with the op rod and hence a stronger ejector spring was designed. Introduce the Norinco Kommunist copykats, and now you have an even STRONGER spring that makes the Norinco bolt assembly an even bigger biatch to carry out. Wear eye protection... tactical goggles. LOL
 
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hmmm...

I've fired a big number from my m14 which is second hand, and havnt had any equipment break on me except the scopes!
 
Yeah...mine ate a few scopes too. The first one being a Leeper... I took my Arms #18 off a while ago and now shoot only with irons. K.I.S.S.
 
JeffMan said:
I’m wondering if this could have been the result of having used steel case ammo?

FWIW: If you rifle is from Marstar, purchased within one year, it would still be covered under their warrantee.

I’m curious, how many rounds should an M14S (Norinco) be able to shoot before a parts failure? What’s the “ballpark” average?

Exerpt taken from: M14 History and Deveolpment, Lee Emerson, October 10 2006:

"The Mean Time Between Failure (average time between any failure requiring repair) was 270 days ... As of November 1965, the aveage annual ammunition usage for each rifle was 810 cartridges (610 rounds ball, 50 rounds tracer and 150 rounds blank)."

From this study it may be surmised that the M14 rifle will shoot < 810 rounds before MTBF. - Is it just me or does this seem like a low round count before failure?

Are M14's so fragile? :runaway:

P.S. From the same document: "The average production cost was $150.15 per rifle with TRW being the most affordable of the four manufacturers." - and we thought $400.00 was cheap.:p

Jeff
Click to expand...

Inflation......

However, some here bought some mixed part Israeli shipments back in the 80-90s apparently for low money as well.

Fluke? Who knows, the receiver is still the strong bit, just an extractor swap.
 
JeffMan said:
I’m wondering if this could have been the result of having used steel case ammo?
Click to expand...
I doubt it


JeffMan said:
I’m curious, how many rounds should an M14S (Norinco) be able to shoot before a parts failure? What’s the “ballpark” average?
Click to expand...

I put 10,ooo rounds through one of the old norcs, from the early 90's.
Never any problems, other thant the sights.

I had the barrel cut down, tried a few of the un-used norc project bolts I had on hand. I went from long headspace to 1.633 in no time.

BTW the barrel still gauged in at under 2 on the TE gauge.

For the most part there are few failures.


GG&FB
 
CICCIO;
If you can provide your invoice number, or at least the approximate date of purchase we will replace the part if it was purchased within the last year.... Or even close to that....
On the other hand we have large inventories of parts for both the M-14 and the Garand.
Regards
John
 
my friend`s nork m14 got no problem after 4000rd ps about 1000 contributed by me, I sold my Tikka 7mm-8, nork 14 is great you don`t have to worried about ammo, I only put 150 rd thr my Tikka 7mm-8 is tooooo pricey, but with nork 14 you can alway go out and bang bang
 
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