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Link Posted: 6/4/2015 7:50:56 PM EDT
[#1]
Here is that fellows thread on the same issue from the Aim Surplus industry section:







Straight up
Link Posted: 6/5/2015 3:44:54 AM EDT
[#2]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Here is that fellows thread on the same issue from the Aim Surplus industry section:

http://www.ar15.com/forums/t_2_217/264311_Check_out_my_AWESOME_308_BCG___.html



Straight up
View Quote


That is wild... after combing about in this thread, and the Aero thread, dozens of people have had plenty of great experiences and results with the Aim BCG's... lemons are out there I suppose.  Enough people also say that they have had problems with plenty of other more expensive models (except for JP it seems) BCG is going to be a tough choice. Maybe stock, optic and trigger choices will come first
Link Posted: 6/7/2015 3:21:24 PM EDT
[#3]
Seekins rail

Does anyone know if this rail will work with the Maten upper?
Link Posted: 6/7/2015 7:29:43 PM EDT
[#4]
SLR makes a nice rail.
</a>"
Link Posted: 6/9/2015 6:52:08 PM EDT
[#5]
Got my mega lower yesterday!

PRS, a shambled together LPK from PSA, bolt and optic are all that are left.

Anyone using any of the Bushnell 3-21 optics on their MaTens? Compared to the MK6 I am also considering, the thing looks huge!
Link Posted: 6/10/2015 11:42:32 PM EDT
[#6]
I to am debating a bushy dmr 3-21 or a Leupold Mk6 3-18.
Link Posted: 6/11/2015 2:32:18 AM EDT
[#7]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I to am debating a bushy dmr 3-21 or a Leupold Mk6 3-18.
View Quote


I think i just snagged one of the EE, ill post some pictures once i get it and my LT mount in.
Link Posted: 6/11/2015 9:21:42 AM EDT
[#8]


Discussion ForumsJump to Quoted PostQuote History
Quoted:
I think i just snagged one of the EE, ill post some pictures once i get it and my LT mount in.
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:





Quoted:


I to am debating a bushy dmr 3-21 or a Leupold Mk6 3-18.






I think i just snagged one of the EE, ill post some pictures once i get it and my LT mount in.
I went with a Vortex 6-25. The price was right, but the higher end mag clarity leaves something to be desired...


 
Link Posted: 7/12/2015 6:10:50 PM EDT
[#9]
I'm looking for input on what buffer/spring combo to get.  I'm putting together a 12.5" SBR with a Rainier Arms barrel suppressed by a Saker 762, with an adjustable gas block.  I'll be using a milspec buffer tube with a B5 SOPMOD.





The OP talks about using the Slash heavy buffers, but it seems like a lot of guys aren't using them with their collapsible stocks, and at $100ish or more each, I thought I would check and see if other buffers/springs work.

 
Link Posted: 7/12/2015 8:00:03 PM EDT
[#10]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I'm looking for input on what buffer/spring combo to get.  I'm putting together a 12.5" SBR with a Rainier Arms barrel suppressed by a Saker 762, with an adjustable gas block.  I'll be using a milspec buffer tube with a B5 SOPMOD.

The OP talks about using the Slash heavy buffers, but it seems like a lot of guys aren't using them with their collapsible stocks, and at $100ish or more each, I thought I would check and see if other buffers/springs work.  
View Quote


Its not a Mega, but I also have a 12.5" 308. I also run a collapsible stock.  It runs great with a standard 308 buffer and spring. I think the key is running an adjustable gas block obviously. I have shot mine in a couple 3 Gun matches now in the Heavy Metal division and it ran without a hiccup. I can then throw my suppressor on and have a fun day plinking out to 500M. If I do my part and read winds well, 700m has been possible even with my crappy marksmanship.

ETA I checked my log book for my rifle. I have ~600 rounds through it; a mix of 175 sierras and 147 ball. It has ran great with that buffer combination on all ammo so far.
Link Posted: 7/13/2015 12:00:27 AM EDT
[#11]

Discussion ForumsJump to Quoted PostQuote History
Quoted:
Its not a Mega, but I also have a 12.5" 308. I also run a collapsible stock.  It runs great with a standard 308 buffer and spring. I think the key is running an adjustable gas block obviously. I have shot mine in a couple 3 Gun matches now in the Heavy Metal division and it ran without a hiccup. I can then throw my suppressor on and have a fun day plinking out to 500M. If I do my part and read winds well, 700m has been possible even with my crappy marksmanship.



ETA I checked my log book for my rifle. I have ~600 rounds through it; a mix of 175 sierras and 147 ball. It has ran great with that buffer combination on all ammo so far.
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:



Quoted:

I'm looking for input on what buffer/spring combo to get.  I'm putting together a 12.5" SBR with a Rainier Arms barrel suppressed by a Saker 762, with an adjustable gas block.  I'll be using a milspec buffer tube with a B5 SOPMOD.



The OP talks about using the Slash heavy buffers, but it seems like a lot of guys aren't using them with their collapsible stocks, and at $100ish or more each, I thought I would check and see if other buffers/springs work.  




Its not a Mega, but I also have a 12.5" 308. I also run a collapsible stock.  It runs great with a standard 308 buffer and spring. I think the key is running an adjustable gas block obviously. I have shot mine in a couple 3 Gun matches now in the Heavy Metal division and it ran without a hiccup. I can then throw my suppressor on and have a fun day plinking out to 500M. If I do my part and read winds well, 700m has been possible even with my crappy marksmanship.



ETA I checked my log book for my rifle. I have ~600 rounds through it; a mix of 175 sierras and 147 ball. It has ran great with that buffer combination on all ammo so far.
Awesome, that's what I wanted to hear!  Another question for you;  How long of a handguard can you fit on your 12.5?  I'm trying to get the rail as close to the muzzle device as possible, but haven't found anything that gives me a concrete answer on how much shorter the rail should be based on barrel length.



 
Link Posted: 7/13/2015 3:35:23 AM EDT
[#12]
Awesome, that's what I wanted to hear!  Another question for you;  How long of a handguard can you fit on your 12.5?  I'm trying to get the rail as close to the muzzle device as possible, but haven't found anything that gives me a concrete answer on how much shorter the rail should be based on barrel length.
 
View Quote

I used the 11in SLR Rifleworks solo. I'll IM you a picture.
Link Posted: 7/15/2015 12:48:31 AM EDT
[#13]
Crappy ipotato pic...



Mega upper/lower
Gunfighter CH
Rainier UltraMatch 18
Surefire MB7.62
Magpul Miad
Larue/Harris bipod
SLR Sentry 7 adjustable gas block
SLR 16 inch rail
Bushnell 3.5-21 H59, LT745 10 MOA
Primary arms red dot in 45 mount


Still need-
Magpul PRS
BCG
LT MBT
Link Posted: 7/30/2015 3:55:09 PM EDT
[#14]
Anybody have any pmag M118 mags? Do they drop free? They're supposed to fit longer loaded shells but not drop free in all lowers...

These https://www.primaryarms.com/Magpul_PMAG_25_M118_LR_SR_Gen_M3_Windowed_PMAG_7_6_p/mag577.htm

Also as a heads up, Primary arms is having a sale on 308 pmags, 5 bucks off 'till the 3rd.
Link Posted: 7/30/2015 3:57:05 PM EDT
[#15]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Anybody have any pmag M118 mags? Do they drop free? They're supposed to fit longer loaded shells but not drop free in all lowers...

These https://www.primaryarms.com/Magpul_PMAG_25_M118_LR_SR_Gen_M3_Windowed_PMAG_7_6_p/mag577.htm

Also as a heads up, Primary arms is having a sale on 308 pmags, 5 bucks off 'till the 3rd.
View Quote

The new ones drop free in my Cerakoted lower.
Link Posted: 7/30/2015 6:57:02 PM EDT
[#16]
PJHOG,
Do you have a side picture without suppressor.
Please.
Link Posted: 7/30/2015 11:23:49 PM EDT
[#17]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
<a href="https://flic.kr/p/siYKqs" target="_blank">https://farm9.staticflickr.com/8739/17268728742_b92de2cfe9.jpg</a>#megaarms by ,
View Quote


Also interested in what your Chrono has to report. ( I have a similar built but with a 22" heavy barrel).
Link Posted: 8/2/2015 11:32:05 PM EDT
[#18]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Crappy ipotato pic...

<a href="http://s102.photobucket.com/user/laxplayer201092/media/mega6.jpg.html" target="_blank">http://i102.photobucket.com/albums/m93/laxplayer201092/mega6.jpg</a>

Mega upper/lower
Gunfighter CH
Rainier UltraMatch 18
Surefire MB7.62
Magpul Miad
Larue/Harris bipod
SLR Sentry 7 adjustable gas block
SLR 16 inch rail
Bushnell 3.5-21 H59, LT745 10 MOA
Primary arms red dot in 45 mount


Still need-
Magpul PRS
BCG
LT MBT
View Quote


I'd like to see more pics of this gun.  I'm debating on either a Rainier Ultramatch 18 or 16.  My build will be very similar to yours.

Outlaw
Link Posted: 8/3/2015 10:38:02 AM EDT
[#19]
Here ya go Outlaw







Link Posted: 8/3/2015 3:55:21 PM EDT
[#20]
Thanks.  I like the two tone grip.
Link Posted: 8/16/2015 5:42:41 PM EDT
[#21]
So what is the best set up for a super reliable .308 AR using the Mega upper and lower combo?

Barrel, BCG & buffer/spring ?

Thanks,

EMSflyer
Link Posted: 8/16/2015 6:30:56 PM EDT
[#22]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
So what is the best set up for a super reliable .308 AR using the Mega upper and lower combo?

Barrel, BCG & buffer/spring ?

Thanks,

EMSflyer
View Quote


JP low mass bcg, JP silent captured recoil spring,  and any barrel of your choice.

Just my opinion.
Link Posted: 8/17/2015 6:41:18 AM EDT
[#23]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


JP low mass bcg, JP silent captured recoil spring,  and any barrel of your choice.

Just my opinion.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
So what is the best set up for a super reliable .308 AR using the Mega upper and lower combo?

Barrel, BCG & buffer/spring ?

Thanks,

EMSflyer


JP low mass bcg, JP silent captured recoil spring,  and any barrel of your choice.

Just my opinion.


Yeah, and also throw an adjustable gas block in there. The JP LMOS and JP captured spring will literally outrun the magazine so you need to slow it down a bit to get it to be reliable and keep from having your bolt lugs ride over the top of the rounds.
Link Posted: 8/17/2015 6:54:14 AM EDT
[#24]

Discussion ForumsJump to Quoted PostQuote History
Quoted:
JP low mass bcg, JP silent captured recoil spring,  and any barrel of your choice.



Just my opinion.
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:



Quoted:

So what is the best set up for a super reliable .308 AR using the Mega upper and lower combo?



Barrel, BCG & buffer/spring ?



Thanks,



EMSflyer




JP low mass bcg, JP silent captured recoil spring,  and any barrel of your choice.



Just my opinion.
Rifle length receiver (a1/a2) extension, rifle buffer, adjustable gas block, rainier arms match barrel.

 



Bcg: Rubber City Armory
Link Posted: 8/17/2015 6:04:42 PM EDT
[#25]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Rifle length receiver (a1/a2) extension, rifle buffer, adjustable gas block, rainier arms match barrel.    

Bcg: Rubber City Armory
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Quoted:
So what is the best set up for a super reliable .308 AR using the Mega upper and lower combo?

Barrel, BCG & buffer/spring ?

Thanks,

EMSflyer


JP low mass bcg, JP silent captured recoil spring,  and any barrel of your choice.

Just my opinion.
Rifle length receiver (a1/a2) extension, rifle buffer, adjustable gas block, rainier arms match barrel.    

Bcg: Rubber City Armory

To be more specific I am planning on a carbine size gun with a 16" to 18" mid length gas system....
Link Posted: 8/17/2015 9:08:37 PM EDT
[#26]
You will want a rifle length gas system with the 18" and it wouldn't hurt on the 16" as well. .308's need longer gas systems and smaller gas ports.

Im shooting a 17" barrel with rifle length gas and an adjustable gas block thats 80% closed.
Link Posted: 8/30/2015 1:30:37 PM EDT
[#27]
Finally finished mine.  

Ma-ten MKM rifle length
Rainier 18" ultramatch
SLR gas block
Rubber City Armory BCG
Magpul ACS-L
Geissele SSA-E
Ergo Tactical Deluxe grip

Leupold Mk4 3.5-10x40, for now still deciding on bigger glass
Haven't decided on muzzle brake either.  Maybe a Little Baster or suppressor host

Sighted in and adjusted with 11 rounds of Black Hills 175 match.  SLR gas block is super simple.  Then shot two 5 shot groups with Federal Gold Metal Match 175.  Shot the left group first, .75 moa.  Then shot the group on the right, first shot was the one flyer high.  I'm happy.

 

Link Posted: 8/30/2015 10:18:45 PM EDT
[#28]
I FINALLY GOT MINE SHOOTING RIGHT!!!!!!!!!!!!!!!





Had my buddy shoot this group as I am physically a bit challenged ( and WAY out of shape and practice ) to shoot this well anymore:





178 grain Hornady Amax at 100 yards.  3/16ths, center to center max distance.

I did not do too bad with the 178 grain, myself, holding under 1 inches for almost very group I shot with them....but nothing today beats my buddy's group.  That was just awesome!!!!

 
Link Posted: 8/31/2015 12:08:25 PM EDT
[#29]


Updated, realized the phone posted a stupid small picture
Still in progress but it's coming along.
Link Posted: 8/31/2015 10:35:10 PM EDT
[#30]
I'd appreciate some input. I'm wanting to go to a longer barrel and I'm thinking about getting a PRS stock.
I know it's a negligible increase, but I'm leaning towards an 18" barrel. I'd also consider 20". Is 18 a good compromise? Is the 20 worth it?
On the PRS, I'm sure that either model will work, but is it worth it to get the one for the 308? Do they use the same extension/tube?
Finally, I need an adjustable gas block. I want to go with a rifle length gas system and will most likely use the same handguard.

Here's what I currently have:
16" Rainier ultramatch barrel
Rainier match low profile gas block
Magpul UBR, slash extra heavy buffer
young mfg NM carrier and JB enhanced bolt

It's accurate and I like it, but it's not exactly what I want.

Link Posted: 8/31/2015 11:19:01 PM EDT
[#31]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Is 18 a good compromise? Is the 20 worth it?
On the PRS, I'm sure that either model will work, but is it worth it to get the one for the 308? Do they use the same extension/tube?
Finally, I need an adjustable gas block. I want to go with a rifle length gas system and will most likely use the same handguard.
View Quote


18" is a good compromise.  I personally chose a 20" barrel for extra velocity for shooting long distances.

It's worth getting the 308 version of the PRS so that your charging handle won't hit the cheek rest.  

If you don't raise the cheek rest you could use either version....they're identical other than the clearance for the charging handle.

Both versions of the PRS use a standard A2 receiver extension.

I recommend SLR gas blocks.


Link Posted: 9/1/2015 7:37:26 AM EDT
[#32]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I recommend SLR gas blocks.


View Quote


Agreed, that's what I've got as well.
Link Posted: 9/1/2015 10:49:15 AM EDT
[#33]
Thanks.
Has anyone used the luth-ar stock with one of these? Looks to be almost $100 cheaper than the Magpul and lighter.
Link Posted: 9/1/2015 9:16:33 PM EDT
[#34]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Thanks.
Has anyone used the luth-ar stock with one of these? Looks to be almost $100 cheaper than the magpul and lighter.
View Quote

I have, I'll get pics up later. I really like mine and it replaced a PRS. I liked my PRS but when I bought a mega build from another member I replaced my PRS on it after  a month with an FDE Luth MBA-1. I have noticed no real cons, its way cheaper and is nearly a pound lighter.
Link Posted: 9/30/2015 5:36:31 PM EDT
[#35]


Bolt and new gunfighter are in, finally finished! Taking her out this weekend.
Link Posted: 10/1/2015 1:08:09 AM EDT
[#36]
Just wrapped up a Mega MATEN M-LOK build.  

Rainier ultra match 16" with Rainier ultra match BCG, Geissele 2 stage trigger, Syrac Ordnance .750 Adjustable Gas Block, Magpul UBR and Leupold Mark 6 1-6x20 CMR-W on top.  I had Rainier install the barrel, gas block and bolt.



Just getting her on paper, 5 shots at 50 yards.
Link Posted: 11/15/2015 1:34:10 PM EDT
[#37]
Bump for those of us that are getting into the Maten game a little late.



Here is mine. Planned usage is 200-500 yards. I need to some research but I am pretty sure I want to get a Mega 16" barrel. Hope to have this finished up by Thanksgiving.










Ignore the BB gun glass. It is there for effect (and motivation):









Link Posted: 12/23/2015 4:26:55 PM EDT
[#38]
Almost finished...





Link Posted: 1/22/2016 12:26:09 AM EDT
[#39]
I'm where you are on your last post.  Still trying to decide on an 18 or 20 inch barrel.....




Link Posted: 2/7/2016 2:05:29 AM EDT
[#40]
Does anyone know if the Sentry 9 clamp on will fit comfortably under a MaTen MKM or MML handguard?  TIA
Link Posted: 2/7/2016 11:54:04 AM EDT
[#41]
I'm having a bolt catch problem. The problem is, bolt carrier is not going back far enough to allow the bolt catch to catch. I've been digging around and it seems the most likely cause is the buffer?

Here is the buffer that's in there now, along with the spring.
DSG Short Carbine Buffer
Armalite AR10 carbine spring

Any suggestions?

Carrier is a DPMS, as is the barrel.
Link Posted: 2/7/2016 2:47:40 PM EDT
[#42]
I assume you are usign a AR-15 receiver extension? That Armalite buffer sping is designed to be use in AR-10 carbine and rifle receiver extensions. It may be too long for use with AR-15 RE's. The right fix would be to get a Armalite carbine receiver extension and H3 buffer.
Link Posted: 2/7/2016 3:05:42 PM EDT
[#43]
I can't believe I overlooked that.

Thanks!
Link Posted: 2/7/2016 3:49:07 PM EDT
[#44]
Just finished another MATEN build.

7lbs 9oz, no Optic or Mag



Link Posted: 3/3/2016 11:28:54 PM EDT
[#45]
No other mega builds recently?
Link Posted: 3/4/2016 1:47:50 AM EDT
[#46]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
No other mega builds recently?
View Quote



The iPhone isn't doing it justice, but here's mine that I recently finished after a year of gathering components.



















Receiver:
Mega Maten ambi. set

Upper components:
Mega 20" barrel
Aim nitride 308 BCG
Mega charging handle (soon to be replaced by a BCM gunfighter mod.3)
SLR Sentry 7 adjustable gas block
Spikes Tactical rifle-length melonited gas tube
Fortis 15" 308 switch rail
Larue index clips (upper rail)
BCM keymod rail panels (sides and bottom)
JP large-profile compensator (1.2" to .750") w/Gemtech shim kit (5/8-24)
Troy folding battlesights (M4 front, standard rear)
Primary Weapons keymod bipod adapter
Harris 9-13" S-series bipod

Lower components:
Geissele hi-speed national match (match rifle) trigger
BAD-CASS safety lever
Spikes Tactical billet magazine release button
Magpul PRS stock w/extended butt-pad (0.80")
DPMS A2 receiver extension
JP silent captured spring w/lightest spring (from builder kit)
Magpul Moe+ grip
Magpul M3 10rd Pmag

Optic:
Vortex Viper PST 6-24X50 FFP w/EBR-2C MOA reticle
Bobro dual lever 30mm precision mount w/20MOA cant
Vortex 30mm bubble level
Vortex SV-2 Switchview throw lever
Butler Creek flip covers (14 and 43)
Tenebraex Sunguard ARD


Link Posted: 3/4/2016 8:51:57 AM EDT
[#47]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Just finished another MATEN build.

7lbs 9oz, no Optic or Mag

http://i64.tinypic.com/akhoyd.jpg
http://i63.tinypic.com/e7kjs4.jpg
http://i67.tinypic.com/122yt89.jpg
View Quote


What handguard is that? I like it, reminds me of the Noveske.
Link Posted: 3/4/2016 9:42:20 AM EDT
[#48]
It's the SMOS Arms rail. It's basically an MLOK NSR for 308. In fact SMOS made all Noveskes NSRs for them.
Really thin and really strong and lightweight.
Link Posted: 3/4/2016 10:06:18 AM EDT
[#49]

Discussion ForumsJump to Quoted PostQuote History
Quoted:


It's the SMOS Arms rail. It's basically an MLOK NSR for 308. In fact SMOS made all Noveskes NSRs for them.

Really thin and really strong and lightweight.
View Quote


No shit, I learn something new every day. Their GFY (does that stand for what I think it stands for?) lower looks identical to the Noveske Gen III lower ... and Merlin, Oregon, is 8.9 miles from Grants Pass. Maybe I'm the last to know...



-Stooxie



 
Link Posted: 3/7/2016 8:45:14 PM EDT
[#50]
Brahmzy. Could you tell what handguard your are using?
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