First AR build

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NorEastBeast

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Hey guys,
I'm about to start my first AR build and wanted to see what you guys think? Am I missing anything? The build cost me just over $500 bux.
I've learned just about everything on my build from this site. I just want to make sure I have everything needed for the build.


http://www.slickguns.com/product/stripped-blemished-ar-15-upper-receiver-4995#comments
http://www.slickguns.com/product/colt-le6921r0977-m4-upper-ar-15-parts-kit-29999?subscription=1
http://www.slickguns.com/product/ne...15-polymer-lower-reciever-black-10995-shipped
 
Keep in mind that you will need to have the bayonet lug removed, the flash hider replaced with a muzzle brake pinned and welded, and have the stock pinned to a fixed length to comply with the AWB if you are in MA. You need to do those things before you assemble the parts, or assemble the parts into a rifle in another state and don't bring it back until you have the modifications made.
 
joshk1025 said:
Keep in mind that you will need to have the bayonet lug removed, the flash hider replaced with a muzzle brake pinned and welded, and have the stock pinned to a fixed length to comply with the AWB if you are in MA.
Click to expand...

He's got a lot more that just that to worry about.

OP, You do realize that the upper you linked has a 14.5" barrel, right? Also. I would never build on a plastic receiver, Save your sheckles until you can swing an aluminum one.
 
vice block, armorers wrench, compensator (1.5") pin and welded. I would spend 80 bucks on a forged lower.
 
The 14.5" barrel shouldn't be a problem if he pins on a muzzle brake that is 1.5" or longer (which is what they would normally pin a flash hider on for).

- - - Updated - - -

Also one of the reasons he has gotta pin and weld the brake before he assembles it, otherwise he has an AW (against MA law) and a SBR (against fed law).
 
joshk1025 said:
Keep in mind that you will need to have the bayonet lug removed, the flash hider replaced with a muzzle brake pinned and welded, and have the stock pinned to a fixed length to comply with the AWB if you are in MA. You need to do those things before you assemble the parts, or assemble the parts into a rifle in another state and don't bring it back until you have the modifications made.
Click to expand...

joshk1025 said:
The 14.5" barrel shouldn't be a problem if he pins on a muzzle brake that is 1.5" or longer (which is what they would normally pin a flash hider on for).

- - - Updated - - -

Also one of the reasons he has gotta pin and weld the brake before he assembles it, otherwise he has an AW (against MA law) and a SBR (against fed law).
Click to expand...


That was my whole point. It was not just a MA problem, it is a Fed problem. You had suggested that he assemble it out of state
 
question for another AR newbie, what are the advantages & disadvantages to an SBR vs. standard length?
 
joshk1025 said:
Keep in mind that you will need to have the bayonet lug removed, the flash hider replaced with a muzzle brake pinned and welded, and have the stock pinned to a fixed length to comply with the AWB if you are in MA. You need to do those things before you assemble the parts, or assemble the parts into a rifle in another state and don't bring it back until you have the modifications made.
Click to expand...

I will be having the alterations made before I mount the upper to the lower.

7.62x39 said:
He's got a lot more that just that to worry about.

OP, You do realize that the upper you linked has a 14.5" barrel, right? Also. I would never build on a plastic receiver, Save your sheckles until you can swing an aluminum one.
Click to expand...

From what I gathered the barrel is actually 16 inches long with the birdcage added.
hv55maxx said:
Get rid of the polymer lower. I had one crack after 1k rounds FYI. Never again

http://www.northeastshooters.com/vbulletin/threads/241504-Polymer-AR-Lower-fail-around-1k-rounds
Click to expand...

Damn, That sucks. Mine is made from a diffrent manufacturer though..So far it has great reviews. Hopefully it will hold up since I already bought it. Thanks for sharing the link.

Knicks said:
vice block, armorers wrench, compensator (1.5") pin and welded. I would spend 80 bucks on a forged lower.
Click to expand...
Got it. Thanks!

7.62x39 said:
That was my whole point. It was not just a MA problem, it is a Fed problem. You had suggested that he assemble it out of state
Click to expand...

See, this is where I am confused. From what I understand it is legal to own the upper as long as it is not assembled to the lower before having the alterations made from a gunsmith. I do not plan on assembling the gun until I have the stock pinned, Muzzle welded, Bayonette lug removed. etc.

So, am I violating MA or Federal Law? I don't think I am... Check out this post I started: http://www.northeastshooters.com/vbulletin/threads/258382-Can-you-buy-a-Non-compliant-ar-15-upper


- - - Updated - - -

BTW, Thanks fellas!
 
Last edited:
NorEastBeast said:
From what I gathered the barrel is actually 16 inches long with the birdcage added.
Click to expand...

I don't know what you're basing that assumption on. The ad says nothing about the muzzle device even being included, let alone how long it is. All of which is a moot point anyway. Until the MD is permanently attached to BATF specs, it doesn't count toward barrel length.
 
NorEastBeast said:
Damn, That sucks. Mine is made from a diffrent manufacturer though..So far it has great reviews. Hopefully it will hold up since I already bought it. Thanks for sharing the link.
Click to expand...

The fact that the plastic lowers are crap has been well documented. Maybe next time you should ask for advise before You place the order and it's too late.
 
There's only one poly lower I'd build a gun on . I forget who makes it but the buffer tower is reinforced with metal and it goes into the rear take down pin.
Even then I wouldn't trust my life on it and would only use it for a .22lr
 
Mr.E said:
question for another AR newbie, what are the advantages & disadvantages to an SBR vs. standard length?
Click to expand...

decreased muzzle velocity, increased muzzle flash and noise. Less powerful and more flashy and noisy - it turns your AR15 into a Harley Davidson.
 
7.62x39 said:
You only posed only the MA legal question in that thread. You are now talking about Federal law, as in not legal in any of the 50 states without getting an SBR stamp
Click to expand...

"The overall length should include the size of the stock fully extended (for those that have adjustable stocks). Additionally, you will measure the length of the actual barrel tip and not include the flash hider, suppressor. The reason for this is that the flash suppressor is NOT considered a part of the barrel unless it is welded and pinned to the barrel"
7.62x39 said:
The fact that the plastic lowers are crap has been well documented. Maybe next time you should ask for advise before You place the order and it's too late.
Click to expand...

some people don't have hundreds to spend..besides, it's my first build. We'll see what happens. Many people seem to like them and others don't. There are always haters. I did my research and took the chance. I'll find out for myself.
 
Last edited:
7.62x39 said:
I don't know what you're basing that assumption on. The ad says nothing about the muzzle device even being included, let alone how long it is. All of which is a moot point anyway. Until the MD is permanently attached to BATF specs, it doesn't count toward barrel length.
Click to expand...

NorEastBeast said:
Additionally, you will measure the length of the actual barrel tip and not include the flash hider, suppressor. The reason for this is that the flash suppressor is NOT considered a part of the barrel unless it is welded and pinned to the barrel"
Click to expand...

Which is exactly what I said above.
 
7.62x39 said:
I don't know what you're basing that assumption on. The ad says nothing about the muzzle device even being included, let alone how long it is. All of which is a moot point anyway. Until the MD is permanently attached to BATF specs, it doesn't count toward barrel length.
Click to expand...
researched it online and called and asked to be sure.
 
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joshk1025 said:
Just keep in mind that a birdcage flash hider is not ma legal.
Click to expand...


Don't waste your breath, OP is clueless. He asks for help too late after He has already bought a bunch of non-compliant and inferior parts and is now trying to rationalize his purchases. I don't think we can help him at this point.
 
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NorEastBeast said:
"The overall length should include the size of the stock fully extended (for those that have adjustable stocks). Additionally, you will measure the length of the actual barrel tip and not include the flash hider, suppressor. The reason for this is that the flash suppressor is NOT considered a part of the barrel unless it is welded and pinned to the barrel"



some people don't have hundreds to spend..besides, it's my first build. We'll see what happens. Many people seem to like them and others don't. There are always haters. I did my research and took the chance. I'll find out for myself.
Click to expand...

You don't have to have hundreds$ especially for a lower. Plenty of group buys for lowers under 100$ seen some as low as 65$ out the door....sorry cant remember the shop.
NorEastBeast....who are you shipping the lower to and how much for transfer?
Foursessons had Anderson lowers for 75$ LPK 50$ M4 pre pinned stock 60$
185$ or so and you have a decent lower

The lower you looking at also has plastic fire control parts.
there is even a note that you can upgrade to a milspec lpk?
Think long and hard why this is 110$ plastic lower plastic trigger and commercial stock kit.

What do you plan on getting for a upper? Building out a stripped upper will cost you more than buying some of the cheaper uppers available.
 
Last edited:
mac1911 said:
You don't have to have hundreds$ especially for a lower. Plenty of group buys for lowers under 100$ seen some as low as 65$ out the door....sorry cant remember the shop.
NorEastBeast....who are you shipping the lower to and how much for transfer?
Foursessons had Anderson lowers for 75$ LPK 50$ M4 pre pinned stock 60$
185$ or so and you have a decent lower
Click to expand...

Dis.....

You can get 100% lowers that aren't anodize for short money. Really the only reason of ever buy a poly lower is to try stuff out on. 80% tho so I can just throw it away after I destroy it.
 
I also want to add. The point of biulding your self is to try and build the best you can with the best deals on the best/better parts. Sometimes its just better to buy a complete rifle on a budget. Example fourseasons just had a deal a weak of so ago.
M&P sport AR and 420 rnds of federal m855 for 700$ out the door! Might have been 750 $ but I thought that wad a good deal. Think it came with a cleaning kit also.....
Point is don't buy cheap to buy cheap. Find good deals they are out there. There also has been many great deals on ARs in the classifieds for only a few hundred more.
OP you say you don't have 100s well if your honest with yourself I can bet you can save 100 or so a month. Log every penny you spend for 2 weeks. Send me that list and I will show you......log everything even that money in your cup holder.
I can almost bet I can get you into a better rifle in no time.
 
NorEastBeast said:
Many people seem to like them and others don't. There are always haters. I did my research and took the chance. I'll find out for myself.
Click to expand...

Did you happen to run across this review from ar15dotcom. This was this gentleman's experience when he tried to install the axis pins in his new frontier receiver.

2013-03-19%2016.52.39.jpg


2013-03-21%2016.24.45.jpg
 

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