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 5.45x39 upper
rgvwheeler  [Team Member]
9/13/2011 4:46:42 PM
I am planning on buying a 5.45x39 smith and wesson upper for my RR. Ive had experience with 7.62x39 before and it was marginal due mainly to magazine issues. Does anybody have any words of wisdom using this type of upper. Mags, ammo, buffer, etc? Thanks for the help!
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damcv62  [Life Member]
9/13/2011 9:43:57 PM
My first suggestion would be buy a spikes 5.45x39 bolt. Its nickel plated, or whatever their plating is, and is a breeze to clean. Its full auto ready, so you are good to go. I ran a S&W upper on my old RR, I used a colt carrier and the S&W bolt. Ran pretty well. I had just a normal H buffer. I kind of wanted to try suppressing it, but figured with the corrosive ammo, I shouldn't. I ran c product mags, they worked alright. Everything was dirty though. That is why I ended up getting rid of it. The price of 5.45 went up a bit, and I didn't feel like stocking a corrosive ammo when I could run 5.56 for pennies more and not have to worry about everything rusting.
damcv62  [Life Member]
9/13/2011 9:45:15 PM
Oh, and I'd check out one of the LWRC AK uppers. I still might get one to try, just because I run a couple of their uppers, and they all run very well for me. Not sure how much cleaner it would be, but being a piston, I'd have to think it would be at least a little better.
rgvwheeler  [Team Member]
9/13/2011 11:23:15 PM
Agreed I was looking one of LWRC's uppers tonight, and they look pretty nice. Another one to look at is the long stroke piston from PWS. They have an upper they call the Diablo in 7.62x39. It has a 7" barrel and it is supposed to run. I am a litte leary abouth buying a $1,100 blaster upper but it is a cool caliber and if it runs as good as I have heard they do, I think it's worth a try.
damcv62  [Life Member]
9/14/2011 12:16:46 AM
Yeah, can't blame you there. I guess I can't really see spending that much on a blaster upper either. Which is all any of my uppers are. When I was touring LWRC, they said they were only going to make the one run of the AK uppers because they didn't sell very well. Which I can understand, seeing as we are debating the pros and cons of having a $1100+ upper that is made to run corrosive cheap ammo.
viper5243  [Team Member]
9/17/2011 7:52:04 AM
I bought an Adams Arms 16". Cut it to 11" and i love the thing. Had a bit of a gas problem going from 16" to 11" but once it was solved it rips is FA. I prefer the chrome or NiB BCG's because you can see the dirt on them but the AA has a coating on it that makes it just as easy to clean. I lube the gun with WD40 and when i go to clean it just wipe it down with a shop rag and it's good to go.
Derf  [Member]
9/19/2011 9:28:14 AM
viper, i am guessing its a piston upper?
what size gas port did you end up with if you dont mind me asking?
viper5243  [Team Member]
9/19/2011 9:38:43 AM

Originally Posted By Derf:
viper, i am guessing its a piston upper?
what size gas port did you end up with if you dont mind me asking?

Yes it was a piston. The problem i had was it was getting enough gas to reset the hammer but not strip a new round. I bought a set of number drill bits and went up slowly. Ended up on #42 bit. Now i still might go higher because on the middle gas setting it still does not work the gun suppressed. What i believe i will do is turn it to the middle setting and go through the same process. Shoot -remove gas block- drill - replace gas block - shoot - repeat till it works.

The AA upper is the one im shooting in my avatar. NICE flame, and kinda fucking loud with a PWS-SM556
Derf  [Member]
9/19/2011 11:43:51 AM
Sounds good, thanks for the info.
I have been wanting to cut mine, just not havnt felt like dicking around with the gas port.
luscioman  [Member]
9/26/2011 10:28:55 AM
Make sure you get a melonite gas tube on it. I just had a regular gas tube get destroyed from the corrosive ammo.
rgvwheeler  [Team Member]
10/14/2011 7:29:21 PM
I ran my Model 1 commando upper today, and it ran great. Using standard carbine buffer spring and Spikes ST2 tungsten buffer. The rate of fire was around 750-800, exactly where I wanted it. recoil was very mild much like 223. ASC mags worked great. I was shooting bulgarian surplus and I noticed it smelled kinda funny but ran fine. I didn't have enough time to make a video but i will next time I go out. Overall very please with my new cheap ammo upper.
jjlovik  [Team Member]
10/15/2011 11:16:42 PM
ASC mags? Are you talking about C-product mags or some other brand I haven't heard of? I, too have had very good luck with function of model 1 short uppers, but the grouping of these is poor. I think they are rechambered 5.56 bbls. But for full auto blasting, I think they are a good value. I also have a S&W that groups quite well. Smith claims to use the proper bore diameter. Here is a vid of the S&W with a can.
Originally Posted By rgvwheeler:
I ran my Model 1 commando upper today, and it ran great. Using standard carbine buffer spring and Spikes ST2 tungsten buffer. The rate of fire was around 750-800, exactly where I wanted it. recoil was very mild much like 223. ASC mags worked great. I was shooting bulgarian surplus and I noticed it smelled kinda funny but ran fine. I didn't have enough time to make a video but i will next time I go out. Overall very please with my new cheap ammo upper.


viper5243  [Team Member]
10/15/2011 11:51:16 PM
C-products is no more. ASC makes them now. They are good mags. Except i have one where the springs broke after 2-3 months of use. Yes the springs actually broke in the mag and stopped working.
jjlovik  [Team Member]
10/16/2011 9:33:36 AM
Where are these available at? I have a dozen or so Cproducts mags that work and another dozen or so that have crapped, so I know I will need more. Interesting thing is I have several old (80's vintage) gi mags that work perfect. They hold 29 rds but function fine. This tells me that there must be some minute difference that maybe could be done to other AR mags. The ASC/Cproduct mags work, but I think lack durability. Thanks Jerry
Originally Posted By viper5243:
C-products is no more. ASC makes them now. They are good mags. Except i have one where the springs broke after 2-3 months of use. Yes the springs actually broke in the mag and stopped working.


viper5243  [Team Member]
10/16/2011 9:50:00 AM
This is where i got mine.

http://www.aimsurplus.com/product.aspx?item=MASC54539&name=ASC+30rd+Black+5.45x39+AR+Magazine&groupid=14
Stahlgewehr762  [Member]
10/18/2011 6:11:20 PM
Originally Posted By jjlovik:
I, too have had very good luck with function of model 1 short uppers, but the grouping of these is poor. I think they are rechambered 5.56 bbls. But for full auto blasting, I think they are a good value.


This has been my experience as well. The first 5.45 11.5" HBAR I ordered from M1S had to be returned for a visibly off-center bore when viewed from the muzzle end. The less-than-stellar accuracy probably has something to do with the concave muzzle face (can't really call it a "crown") used on these barrels. I hadn't heard about M1S using 5.56 barrel blanks, but wouldn't be too surprised. I'm just glad mine doesn't keyhole bullets!

rgvwheeler  [Team Member]
10/18/2011 6:41:15 PM
M1s claims it's an ER Shaw barrel 1:8 twist so it doesn't sound like a .556 barrel to me. I haven't set it down On the bench to check accuracy either
viper5243  [Team Member]
10/18/2011 7:55:49 PM
Talking with some dealers i have heard that even though they might use ER Shaw barrels, they are 2nds or not the top quality barrels that come out of their.
jjlovik  [Team Member]
10/18/2011 9:39:12 PM
All I know is, at 7 to 9 cents cheaper per round they are sweet deals for us guys with the addiction!!
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