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Ugh... Time for another ar15... Simple question regarding needed parts..

Featured Replies

Have a lower and just need A couple other pieces... It is just going to. E a simple light move and shoot setup...

 

It is an ar15.com lower that came as a trade...

 

Looking at bravo company 14 + permanent flash hider as a base.. Says it does not come with bolt

 

Something like this...

 

http://www.bravocompanyusa.com/BCM-Standard-14-5-M4-SOCOM-Upper-Receiver-p/bcm-urg-m4-14socom.htm

 

But would need a bolt carrier group... And charging handle? What do I need to buy.. What is a bolt carrier group.. Think cheap... Does not news to be something high end... Also are there red dots that will co-witness with fixed iron sights

 

Also could I grind down that FSB and fit a longer 2 pc rail over it?

You need one of these:

http://www.bravocompanyusa.com/BCMGUNFIGHTER-Charging-Handle-s/123.htm

and one of these:

http://www.bravocompanyusa.com/LMT-Bolt-Carrier-Auto-M16-p/bcg-lmt-m16.htm

 

An Aimpoint M3 style red dot in a high mount will co-witness standard AR sights.

Start by reading your own link, you're starting out with an unlawful upper. Pistol grip, flash hider, and bayonet mount = 3 evil features.

 

How to tell if the following are legal in NJ

Semiautomatic Rifle

Start by reading your own link, you're starting out with an unlawful upper. Pistol grip, flash hider, and bayonet mount = 3 evil features.

 

How to tell if the following are legal in NJ

Semiautomatic Rifle

 

Vlad is in the process of moving out of state ;)

Don't skimp on the bolt carrier group (BCG). The bolt really is the heart of an AR.

 

The cheapest I've seen recently is the Palmetto BCG:

http://www.palmettostatearmory.com/1746.php

 

Haven't read up on it and don't have one, so can't speak to the quality.

 

I use these:

http://www.bravocompanyusa.com/BCM-Bolt-Carrier-Group-MPI-Auto-M16-p/bcm%20bolt%20carrier%20group%20auto%20mp.htm

http://www.aimsurplus.com/product.aspx?item=XDD9300&name=Daniel+Defense+MPI+Tested+Bolt+Carrier+Group&groupid=55

 

For the charging handle, I highly recommend the BCM gunfighter.

 

http://www.bravocompanyusa.com/AR15-Charging-Handle-s/35.htm

 

Yes, it's more than double the price of your typical CH, but it's worth it in my opinion.

 

Having a red-dot cowitness will depend on the mount it is attached to. Larue, Daniel Defense, ARMS, ADM, Bobro and a number of other manufacturers all make decent mounts for various aimpoints that will do either a lower 1/3 or absolute cowitness. Same goes for Trijicon, altho you have less mount options. Depending on the irons and red dot you'll be using, I'm sure someone will be able to make a more specific recommendation.

  • Author

Start by reading your own link, you're starting out with an unlawful upper. Pistol grip, flash hider, and bayonet mount = 3 evil features.

 

How to tell if the following are legal in NJ

Semiautomatic Rifle

Thanks captain obvious... Gun will never see NJ soil so don't sweat it...

 

To those that answered my actual question.. Thanks your help is appreciated...

Start by reading your own link, you're starting out with an unlawful upper. Pistol grip, flash hider, and bayonet mount = 3 evil features.

 

How to tell if the following are legal in NJ

Semiautomatic Rifle

Fantastic observation. Why don't you take a look at who created the thread you just linked...

Guys - ease up. Not everyone keeps tabs on where VladT is living on a day to day basis :icon_rolleyes:

Have a lower and just need A couple other pieces... It is just going to. E a simple light move and shoot setup...

 

It is an ar15.com lower that came as a trade...

 

Looking at bravo company 14 + permanent flash hider as a base.. Says it does not come with bolt

 

Something like this...

 

http://www.bravocompanyusa.com/BCM-Standard-14-5-M4-SOCOM-Upper-Receiver-p/bcm-urg-m4-14socom.htm

 

But would need a bolt carrier group... And charging handle? What do I need to buy.. What is a bolt carrier group.. Think cheap... Does not news to be something high end... Also are there red dots that will co-witness with fixed iron sights

 

Also could I grind down that FSB and fit a longer 2 pc rail over it?

 

No 14.5" middy?

Guys - ease up. Not everyone keeps tabs on where VladT is living on a day to day basis :icon_rolleyes:

No, but it's relatively easy to see that he created the thread that he linked.

 

Back on topic. Anthony, didn't you toss around the idea of an SBR?

Gotcha. Do you plan on building a completely separate rifle, or just having a separate upper?

What are advantages of 14.5 mid length as opposed to carbine... I've been looking through bravo company.. Where else do I source an upper?

 

The carbine gas system is shorter than the midlength or rifle. It increases the gas pressure transmitted to the BCG a whole LOT. The gas system was designed for a 20" barrel with a rifle length gas tube, which results in about 19k psi. A carbine length system on a 16" barrel results in about 33k psi. A midlength results in about 26k. Those numbers are pressure at the gas port IIRC.

 

The higher pressure means more stress on the locking lugs on the bolt. It also means the BCG slams back with a lot more force, which results in harsher recoil. If it slams hard enough, you amy also get the BCG slamming into battery which can cause the muzzle to dip. Worst case, you can get slam fire form the firing pin bouncing, but usually you have to be really over gassed for that, or you have to have crud in your firing pin channel.

 

If you are considering a supressor, then that makes the pressures jump even higher, and that's where things like adjustable gas blocks and the noveske switchblock come into play. Especially when dealing with shorter gas systems.

 

IMO you want the longest gas system that is reliable for the barrel length you are going to use. Several other factors come into play, but in general, for 14.5 or 16" go midlength. For 17" or longer, go rifle.

 

Rainier arms builds uppers, as does noveske, spikes, etc.

  • Author

The carbine gas system is shorter than the midlength or rifle. It increases the gas pressure transmitted to the BCG a whole LOT. The gas system was designed for a 20" barrel with a rifle length gas tube, which results in about 19k psi. A carbine length system on a 16" barrel results in about 33k psi. A midlength results in about 26k. Those numbers are pressure at the gas port IIRC.

 

The higher pressure means more stress on the locking lugs on the bolt. It also means the BCG slams back with a lot more force, which results in harsher recoil. If it slams hard enough, you amy also get the BCG slamming into battery which can cause the muzzle to dip. Worst case, you can get slam fire form the firing pin bouncing, but usually you have to be really over gassed for that, or you have to have crud in your firing pin channel.

 

If you are considering a supressor, then that makes the pressures jump even higher, and that's where things like adjustable gas blocks and the noveske switchblock come into play. Especially when dealing with shorter gas systems.

 

IMO you want the longest gas system that is reliable for the barrel length you are going to use. Several other factors come into play, but in general, for 14.5 or 16" go midlength. For 17" or longer, go rifle.

 

Rainier arms builds uppers, as does noveske, spikes, etc.

 

 

thanks.. know of any other sights like bravo that allows for searching of various uppers they have?

Like I said. Rainier arms lists their uppers as well as some 3rd party ones. Noveske sells theirs, spikes sells theirs, Lauru sells theirs. I could list a ton, but if you are looking for a quality pre assembled 14.5" upper, those are where I'd go besides bravo.

 

Are you looking for something particular?

  • Author

honestly.. I am just looking for something relatively inexpensive since I plan to eventually do a SBR once I am a permanent resident of PA and get that all sorted out..

the 16in has to be reliable.. because I won't own unreliable stuff.. but I think that the $400-$500 14+ flash hider to get 16 is where I am at for this build.. I don't mind a quality BCG/charging handle/ etc.. because it can be reused on the SBR.. but something super elite.. like Noveske would be a waste to me at this point..

Most of the ones I listed are going to run $600-800 for their basic upper decent 14.5"

 

Del-ton will build you an ok 16" upper for less, but it is pretty basic with a mossberg barrel. They'll even weld on the muzzle device if that is necessary.

Aim surplus has 10% off for black Friday, bring the spikes 14.5 with dynacomp to about $500.

  • Author

Aim surplus has 10% off for black Friday, bring the spikes 14.5 with dynacomp to about $500.

 

http://www.aimsurplus.com/product.aspx?item=XSTU5050MLS&name=Spikes+Tactical+14.5%22+Lightweight+5.56%2f.223+Upper+Receiver&groupid=368

 

this one?

 

that seems like a great deal.. but is spike stuff on par with Bravo stuff? most people with Bravo stuff are really happy.. not as familiar with Spike stuff?

Spikes is GTG! Hell, they've got to be good, they were chosen to build the NJGF lower :icon_rolleyes: .

 

Seriously though, Spikes quality is right up there with Bravo.

  • Author

Spikes is GTG! Hell, they've got to be good, they were chosen to build the NJGF lower :icon_rolleyes: .

 

Seriously though, Spikes quality is right up there with Bravo.

 

thanks for the feedback.. was not planning on making the purchase yet.. but with the discount I might have to pull the trigger..

I think Raz-o was referring to this one:

http://www.aimsurplus.com/product.aspx?item=XSTU5050MLSDC&name=Spikes+Tactical+14.5%22+Lightweight+5.56%2f.223+DynaComp+Upper+Receiver&groupid=368

 

Dunno if it helps, but BCM is doing 10% for black friday:

"This Friday and Saturday, November 25 and 26, all orders placed on BravoCompanyUSA.com will be discounted 10%! No code needed."

 

The Spike's upper will still probably come out cheaper since it includes the bolt, but the only one that seems to be in stock at AIMSurplus is the one with the pinned dynacomp muzzle brake.

  • Author

I think Raz-o was referring to this one:

http://www.aimsurplus.com/product.aspx?item=XSTU5050MLSDC&name=Spikes+Tactical+14.5%22+Lightweight+5.56%2f.223+DynaComp+Upper+Receiver&groupid=368

 

Dunno if it helps, but BCM is doing 10% for black friday:

"This Friday and Saturday, November 25 and 26, all orders placed on BravoCompanyUSA.com will be discounted 10%! No code needed."

 

The Spike's upper will still probably come out cheaper since it includes the bolt, but the only one that seems to be in stock at AIMSurplus is the one with the pinned dynacomp muzzle brake.

 

thoughts on the Spikes unit?

from everything I have read spikes is as good as bc, my spikes build came out good, everything fits nicely...I wouldn't hesitate to buy from them...

thoughts on the Spikes unit?

I've heard nothing but good about Spike's from people that have them, but have no first hand experience aside from being on the line with other guys shooting Spike's guns at carbine classes. From what I've read on other forums, they are thought of pretty highly. I do have a Spike's .22 AR, but it's not an apples to apples comparison, so no point in even trying.

 

If you were staying in Jersey, I'd say go for the Spike's upper with the dynacomp. Shave off the bayo lug ears and you're GTG with a compliant upper. Easy one stop shopping for a quality upper. Since you're not staying in Jersey, and this is purely based on videos I've seen of the dynacomp, I think there are better comps out there - namely the BattleComp and PWS FSC556, not to mention the assortment of flash hiders that you'll be able to have on your gun in PA. Just my .02

  • Author

I've heard nothing but good about Spike's from people that have them, but have no first hand experience aside from being on the line with other guys shooting Spike's guns at carbine classes. From what I've read on other forums, they are thought of pretty highly. I do have a Spike's .22 AR, but it's not an apples to apples comparison, so no point in even trying.

 

If you were staying in Jersey, I'd say go for the Spike's upper with the dynacomp. Shave off the bayo lug ears and you're GTG with a compliant upper. Easy one stop shopping for a quality upper. Since you're not staying in Jersey, and this is purely based on videos I've seen of the dynacomp, I think there are better comps out there - namely the BattleComp and PWS FSC556, not to mention the assortment of flash hiders that you'll be able to have on your gun in PA. Just my .02

 

 

I really wanted the SAME unit with the flash hider..

If you're not in a hurry and don't mind missing out on the black friday deal, they do seem to get the vortex version from time to time.

 

AIM has a subforum on ar15.com in the industry section and it gets updated from time to time with when they expect more of a particular version for the 14.5" uppers:

 

http://www.ar15.com/forums/t_2_217/203828_ETA_on_Spikes_Tactical_14_5and_8243__Light_Weight_Mid_Length_AR_15_Uppers_.html&page=11

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