Looking for NEA AR-15 7.62x 39 feedback

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IMR4320

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I have been looking at this carbine for a while and like the idea of being able spend 18c/round vs.40c although I realize surplus ammo's accuracy isn't the best. I also like the idea of having the lower receiver at the same time and if I feel like shooting .223/5.56 I can have an upper ready and swap them in a matter of seconds. My question is, what is the reliability of this 7.62x39 mechanism, in terms reliability, longetivity and relative accuracy ? Also, if I want to switch to 5.56, can I use this same upper alone and just change the barrel and bolt, the whole bolt assembly or just parts of it, what else has to be changed ?
Thanks for any info.
 
I have been looking into them as well. There is not too much info, but I did see a good video from a reputable fellow on youtube (ryan? From funker tactical. actually his channel that he had the video on was "Lifeline") - if you look up the nea 7.62x39, it will come up. He seemed happy with the accuracy of the 14.5 shooting surplus ammo
 
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Swapping out the barrel, gas system and BCG when you want to shoot either calibre isn't easily doable... It's not an XCR after all!

That said, swapping complete uppers on an AR is as simple as pushing two pins out then in... You could easily run one lower and two uppers if you want.

I suggest you have two complete rifles though... The x39 primers can be hard, and you'll likely need a heavy hammer spring to make it 100% reliable. That makes your trigger heavier, and less than ideal for accuracy with 5.56. Maybe I'm just too picky because I compete...

The 7.62 x 39 round is inherently less accurate than 5.56, especially when using the cheapest surplus you can find (which is the whole point, n'est ce pas?)... It is still pretty good though, and will hit a 6 inch plate at 200 if you're prone or at the bench. Earlier 7.62 x 39 ARs were fraught with problems... The angle of the shoulder of the round made redesigning mags a challenge, but they seem to have it worked out now. FWIK the ASC mags are supposed to be the best.

The bolts can still be a weak spot. They needed to fit a larger base into the space of a smaller bolt, so they can break. It doesn't happen often, and if you get a quality rifle with a warranty (like NEA or Windham) they'll replace it. The LMT bolt is supposed to be the cat's pyjamas, but it's another $250-300 if you can find it.

Using corrosive ammo in a DI rifle requires a little immediate effort to clean the rifle and ensure no corrosion. There is a good video on YouTube going over his method here: https://youtu.be/s8u5gUem55U

Questar sells the CMMG Mutant that overcomes all these issues by using AK mags and a completely redesigned bolt that is robust. That said, they're $2200, and there are no pistol AK mags available (unlike the 7.63 x 39 XCR pistol mags you can run in an AR).

Here is what I bought from a sponsor site: Great US made rifle and at 2014 prices.

http://www.kellysonline.ca/products/windham-weaponry-ar15-7-62x39-r16m4ftt-762

Bottom line: its a great way to save money plinking with an AR platform, but I wouldn't trust my life to it!
 
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7.62x39 is not less accruate, it just doesn't have as flat a trajectory as .556

An sks with surplus ammo may be less accurate than a $3k .223 AR with match ammo, but that's not the fault of the calibre.

I just received a 7.5 NEA upper from CanAmmo, and I'll do a review after I shoot it. I don't expect it to shoot .5 MOA because it isn't designed or priced to be a benchrest shooter.
 
Smcx said:
7.62x39 is not less accruate, it just doesn't have as flat a trajectory as .556

An sks with surplus ammo may be less accurate than a $3k .223 AR with match ammo, but that's not the fault of the calibre.

I just received a 7.5 NEA upper from CanAmmo, and I'll do a review after I shoot it. I don't expect it to shoot .5 MOA because it isn't designed or priced to be a benchrest shooter.
Click to expand...

I'm thinking of getting 7.5 NEA in 7.62x39 as well so I hope I can see your review real soon :)
 
Smcx said:
7.62x39 is not less accruate, it just doesn't have as flat a trajectory as .556

An sks with surplus ammo may be less accurate than a $3k .223 AR with match ammo, but that's not the fault of the calibre.

I just received a 7.5 NEA upper from CanAmmo, and I'll do a review after I shoot it. I don't expect it to shoot .5 MOA because it isn't designed or priced to be a benchrest shooter.
Click to expand...

Yes there's nothing inherently wrong with 7.62x39, but it's dang hard to find good bullets for .310/.311 nor is there many options for "match" ammo.
So 7.62x39 tends to be kinda butt ugly choice for groups.

Somebody needs to standardize a .308x39 derivative so handloaders can shoot too!
(apparently pressure spike from oversize 310 surplus isn't that bad, and cases are overbuilt/not enough pressure to cause problems )
 
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