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Posted: 8/22/2014 9:15:28 AM EDT
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If I had a bunch of armalite parts to build a sr25 do I have to buy their upper and lower receivers or do parts interchange like ar15 ?
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Quoted:
If I had a bunch of armalite parts to build a sr25 do I have to buy their upper and lower receivers or do parts interchange like ar15 ? Best thing to do here is go to armalite.com and read their technical section and/or callt their tech support. It has always helped me when working on my AR 10, and AR 15. |
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There's. Mag styles? Magpul I guess
All I know is everything is armalite sr25 Barrel with gas block + free float. There's 2 tubes one is fiberglass? Other is metal with long cuts Buffer tube, buffer, spring Fixed stock Grip Bcg , 2 stage trigger All the balance of parts, pins springs, detents |
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so there is no easy answer? i will basicly have a complete gun minus the recievers but wow their recievers are high There are a number of specifications that vary between Armalite and all other makers. If you want to nail it on the first go round, I will reiterate my prior post. Simply trying to keep you from ending up with extra parts, and no where to use them. Plus, they have a VERY extensive library of tech manuals, newletters, advisories, and how to"s. If your were to go to their site and download all of the free tech sheets etc. you would have a hell of an AR 15/AR10 build and maintenance library. YMMV |
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There's. Mag styles? Magpul I guess All I know is everything is armalite sr25 Barrel with gas block + free float. There's 2 tubes one is fiberglass? Other is metal with long cuts Buffer tube, buffer, spring Fixed stock Grip Bcg , 2 stage trigger All the balance of parts, pins springs, detents ArmaLite never made an SR25...Knight's makes the SR25. |
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ArmaLite never made an SR25...Knight's makes the SR25. Quoted:
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There's. Mag styles? Magpul I guess All I know is everything is armalite sr25 Barrel with gas block + free float. There's 2 tubes one is fiberglass? Other is metal with long cuts Buffer tube, buffer, spring Fixed stock Grip Bcg , 2 stage trigger All the balance of parts, pins springs, detents ArmaLite never made an SR25...Knight's makes the SR25. ^this, are you sure these parts are Armalite? |
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pulled my buddies bushmaster and the bcg interchanges as does the charging handle and bolt catch, dust cover and rod appear same as does the mag release and fcg fit, take down pins are same dia. but different lengths, so there is only the barrel that is now unknown, we will try to locate a stripped upper to try fitment
if the barrel fits then everything is the same fit except the takedown pins buffer tube is unknown since i do not have a armalite tube i am hoping this can be built on that aero precision matched reciever set i saw and just buy the buffer tube and take down pins, the only reason i am bothering is the parts were free |
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Quoted:
There's. Mag styles? Magpul I guess All I know is everything is armalite sr25 Barrel with gas block + free float. There's 2 tubes one is fiberglass? Other is metal with long cuts Buffer tube, buffer, spring Fixed stock Grip Bcg , 2 stage trigger All the balance of parts, pins springs, detents mag styles that i know of; armalite, knights, dpms (old and (new sr 25/pmags), cmmg (hk mag lower) cmmg sr 25/pmags rock river arms (fal mags). if it were me i would also, get out of the armalite parts. aero per., and psa have upper and lower combos at or below 300 bucks. you should be able to build from their parts for about the price of a 5.56 ar. the last stripped amralite lower i saw sold for more the psa upper/lower combo. i have not entered the .308 world yet i have been waiting years doing research. i plan on jumping in next month. everything i have seen tells me dpms pattern that accepts sr25 mags is the way to go, this is where all the aftermarket support is. again from my research for me the biggest aftermarket support should be with aero, or psa recievers. ymmv |
just saw that the parts were free, that changes things....maybe somewhat 
as far as i know no version of the armalite will work with dpms pattern parts. the armalite lower i saw was right at 300 bucks stripped it was a friend of mine who sold it on gunbroker, he sold it because it was going to be a pain in the ass and cost more than building a compairable dpms pattern. if you got the parts for free, add to this 600 bucks for receivers and misc parts than you did good. just my opinion. |
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For what It's worth, it is usually more cost effective just to buy a complete rifle (ie: Armalite AR-10B or DPMS G2) most of the time...As a previous poster
noted you may be better off selling your AR-10 parts and then purchasing a complete rifle like a AR-10B target series with a full factory warranty... Good luck. |
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For what It's worth, it is usually more cost effective just to buy a complete rifle (ie: Armalite AR-10B or DPMS G2) most of the time...As a previous poster noted you may be better off selling your AR-10 parts and then purchasing a complete rifle like a AR-10B target series with a full factory warranty... Good luck. don't forget when you buy a complete firearm there is an 11% federal excise tax built into the price. thats a $110 on a $1000 rifle. so i tell my wife if i build 10 i get they 11th free. |
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A buffer tube is a buffer tube. A1 length with the A2 spacer. Any rifle length tube will work.
You can get the upper and lower receivers for $550. And you have the parts for the upper, so you could get a stripped one for less. I think they still make Non F/A uppers for the AR10B. Your BCG is Non F/A, so it wouldn't assist if you got a F/A upper. Since you have the " T " handguard, you also have the " T " port door rod, which is longer than the regular AR10 upper's. Something to keep in mind if you buy a regular AR10B upper. Armalite parts are available at www.armalite.com , www.dsgarms.com , www.762sass.com . I know in the past, some have swapped around manufacturers receivers with other parts, but you need to know what your doing. |
like i said we are gonna try to borrow a stripped upper and if the barrel fits that means the only difference is the takedown pins and I do not see 2 pins being expensive, thanks for all the help 
i also have the bcg with forward assist and the fiberglass float tube and the 2 piece green plastic rifle guards just not pictured |
| Armalite now makes lowers that accept Magpul magazines. They still produce the old style lowers that can only accept their steel mags as well. I would use the Magpul upper/lower combination because that seems to be the future direction for the company. Besides, the Magpul magazines are cheaper then the steel mags and work well. |
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Just build it. All of those parts will fit on any receiver except the bolt catch. Different design for a different mag.
The handguard you'll need to sell as it won't fit anything but the Armalite receivers. Everything else will work. Barrel extensions are the same, the thing to remember is to use entire bcg, and not mix and match parts. A completedpms bcg will work in an Armalite and vice versa, but am Armalite bolt won't work in dpms carrier etc. Gotta use complete bcg. Everything else will work on other receivers. So build one, don't sell and buy complete. You'll waste money that way. |
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Eagle Arms acquired the "Armalite" name back around 1990. Post 1990 "Armalite" AR-10's are EA-10's re-branded.
There is nothing wrong with the parts you have if you get an Armalite or Eagle Arms receiver set, which are often available at 7.62sass.com http://www.762sass.com/product.php?p=1222&cid=6&session=21f7af61e73268dd5d22c8ac6d954d17 Most of the parts will interface with SR25-pattern receivers as mentioned above, except the barrel nut for that handguard. The pivot pins and takedown pins differ between the many of the variants. |
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