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Link Posted: 1/18/2019 9:23:13 PM EDT
[#1]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Yeah they changed the design and killed the large-frame line.

Both of which are a shame.  I don't like the new ones.
View Quote
Damn, I wasn't aware of that. So much for that idea.
Link Posted: 1/19/2019 7:28:06 PM EDT
[#2]
Couple projects from Black Friday.

22" M5 rifle in 6.5CM
- Criterion hybrid barrel
- JP SCS buffer and FMOS HP BCG
- Vortex PST-II 5-25x50 FFP

So far this one is shooting under 0.5MOA with factory ammo.

12.5" M5 pistol in .308
- BA Barrel
- Holosun 510C

This one warms the knuckles.  

Attachment Attached File
Link Posted: 1/20/2019 1:25:37 AM EDT
[#3]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Couple projects from Black Friday.

22" M5 rifle in 6.5CM
- Criterion hybrid barrel
- JP SCS buffer and FMOS HP BCG
- Vortex PST-II 5-25x50 FFP

So far this one is shooting under 0.5MOA with factory ammo.

12.5" M5 pistol in .308
- BA Barrel
- Holosun 510C

This one warms the knuckles.  

https://www.AR15.Com/media/mediaFiles/51421/4E91670F-90A0-427D-88C5-CA7D6DAE7E7F_jpeg-813911.JPG
View Quote
I like
Link Posted: 1/20/2019 11:36:25 PM EDT
[#4]
Link Posted: 1/21/2019 3:56:24 AM EDT
[#5]











Action/Receivers:Aero M5E1 15" M-Lok Builder's Kit with Aero LPK
Barrel:Craddock Precision 22" 6.5CM (rifle +2" gas length)
Bolt:RCA titanium high pressure BCG with adjustable gas key
Receiver Extension:Spikes Tactical 308 buffer tube, end plate, & castle nut
Buffer setup:Armalite AR10 recoil spring and AR15 H1 buffer (3.8oz)
Furniture:Magpul; PRS stock, MOE K2+ grip, bipod, and magazines
Charging Handle:Radian Raptor 308
Trigger:Hiperfire Hipertouch 24E
Gas:Ballistic Advantage LoPro nitride gas block (pinned)
Suppressor:Q Full Nelson; taper shoulder machined into barrel
Scope, Mount, ACI, and Bubble Level:To be determined...








Link Posted: 1/21/2019 10:00:17 AM EDT
[#6]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Barrel:Craddock Precision 22" 6.5CM (rifle +2" gas length)
View Quote
Nice -- I done learned me about another option!  Thanks!
Link Posted: 1/21/2019 5:33:51 PM EDT
[#7]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
What charging handles do you guys prefer?  I have 2 m5 builds I'm working on.
View Quote
Radian Raptor
Link Posted: 1/22/2019 7:05:34 PM EDT
[#8]
swapped out the trigger to a triggertech flat face to match my bolt gun.Its not quite on the level of the diamond series I have in my bolt gun but its damn good.

Link Posted: 1/23/2019 7:30:48 PM EDT
[#9]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
swapped out the trigger to a triggertech flat face to match my bolt gun.Its not quite on the level of the diamond series I have in my bolt gun but its damn good.

https://i.ibb.co/r0KdpW3/308.jpg
View Quote


CMT handguard?
Link Posted: 1/24/2019 4:43:14 PM EDT
[#10]
Discussion ForumsJump to Quoted PostQuote History
Quoted:



CMT handguard?
View Quote
Yep it's my 2nd one and they have been great so far.
Link Posted: 1/26/2019 1:33:26 AM EDT
[#11]
Distant cousins... 9mm AR SBR and AR10. I don’t own a 5.56 an likely never will...

Almost finished, just waiting on BCG and CH



Lower:
Aero M5 stripped lower
Aerom LPK minus FCG
CMC 3.5# flat bow single stage
UBR Gen 2
DPMS 308 buffer/spring
Hogue grip

Upper:
Aero M5 w/12” keymod handguard
SLR Sentry
BA 16” CMMV
KVP Linear Comp
Sig backup iron sights
Aero standard CH w/Badger tactical latch 2
Toolcraft Black Nitride BCG

I just ordered 100 rounds of XM80C to break everything in.
It’s turning into a nice battle rifle, with the potential for some glass to shoot piggies and deer.
Link Posted: 1/27/2019 6:15:40 PM EDT
[#12]
What barrel nut wrench are you all using? The 3 I have do not clear the barrel
Link Posted: 1/27/2019 6:47:21 PM EDT
[#13]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
What barrel nut wrench are you all using? The 3 I have do not clear the barrel
View Quote
Tagged! I have a 6.5C Ballistic Advantage Premium barrel.

Ar10 wrench is too big
Standard AR wrench is too small
Link Posted: 1/27/2019 8:32:50 PM EDT
[#14]
Discussion ForumsJump to Quoted PostQuote History
Great color.

Moar pics!
Link Posted: 1/28/2019 1:15:17 AM EDT
[#15]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
What barrel nut wrench are you all using? The 3 I have do not clear the barrel
View Quote
I originally bought a “2 Unique llc” wrench for my 6.5 (& first 308/large AR). But it was not wide enough for the heavy barrel.  Contacted them & they offered to open it up.  A very heavy duty tool.  If you order one make sure you contact them with your intended application.  Great to deal with.

But I wanted it built in the meantime & had everything already all set, parts laid out, days off scheduled & most importantly 6.5 headspaced gauges rented & already delivered.  So I bought & tried the Magpul wrench.  That is also a nice piece.

Barrel was Aero’s original 5 lb 22” 6.5cm stainless barrel.
Link Posted: 1/28/2019 4:20:31 PM EDT
[#16]
Has anyone installed the new Aero Atlas S-1 handguard? Having an issue with a barrel nut not timing.
Link Posted: 1/28/2019 10:19:29 PM EDT
[#17]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
What barrel nut wrench are you all using? The 3 I have do not clear the barrel
View Quote
My DPMS wrench clears my Criterion 22" Hybrid-contour barrel.  It uses a JP extension.
Link Posted: 2/10/2019 1:59:29 PM EDT
[#18]
Aero receivers, bcg, k-mod rail
BA .308 16" Nitride Mid
SL stock on a Colt tube
BCM CH/grip
AAC fh
Leupold VX 2-7x33 in a WARNE mount
Link Posted: 2/10/2019 8:05:20 PM EDT
[#19]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Has anyone installed the new Aero Atlas S-1 handguard? Having an issue with a barrel nut not timing.
View Quote
I just installed my Atlas S-1 today.  Did your rail come with the shim pack?  I had to use the thick shim and two of the thinner variety to get my to time correctly under torque.  
If you don't have the shims, call Aero and I am sure they will send some to you.
Link Posted: 2/10/2019 8:10:48 PM EDT
[#20]
Still waiting on my LaRue trigger, but let the build begin!



Link Posted: 2/10/2019 11:08:27 PM EDT
[#21]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Has anyone installed the new Aero Atlas S-1 handguard? Having an issue with a barrel nut not timing.
View Quote
I had to use some of the included shims as well.  Love the handguard.
Link Posted: 2/12/2019 1:03:28 AM EDT
[#22]
How have Toolcraft BCGs been in these guns?

And any love for MI rails?
Link Posted: 2/12/2019 8:27:01 AM EDT
[#23]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
How have Toolcraft BCGs been in these guns?

And any love for MI rails?
View Quote
Can't speak for Toolcraft, but the M5 has an integrated barrel nut on the upper receive so I don't think other rails are compatible
Link Posted: 2/12/2019 9:23:22 AM EDT
[#24]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
the M5 has an integrated barrel nut on the upper receive so I don't think other rails are compatible
View Quote
No it doesn't.

Link Posted: 2/12/2019 9:25:06 AM EDT
[#25]
Not all M5 uppers have that integrated barrel nut. None of mine do and I use normal handguards on them. As far as toolcraft bcg's, They are good to go. I use one right now.
Link Posted: 2/12/2019 9:40:38 AM EDT
[#26]
M5 = normal barrel nut configuration.

M5E1 = "enhanced" barrel nut. And they're made for BAR type handguards.
Link Posted: 2/12/2019 10:55:17 AM EDT
[#27]
Thanks for the corrections... Sorry it was early
Link Posted: 2/12/2019 2:14:36 PM EDT
[#28]
gotta say, some of these sticks are pure gold!  great job
Link Posted: 2/12/2019 8:59:07 PM EDT
[#29]


Lower:
M5 Lower, Parts Kit, Carbine Buffer Tube
Geissele SSA-E Trigger
MOE Grip
Battle Arms Ambi Safety
Battlelink Minimalist Stock & Cobra Weave Paracord
Spike Tactical Billet Mag Catch Button

Upper:
M5 Upper w/ Black Nitride BCG
Aero 18" CMV Barrel & 15" keymod handguard
Spike Tactical / Superlative Arms Adj. Gas Block
Procomp 762 Muzzle Brake
Radian Raptor Ambi Charging Handle
Magpul Sights (for now; need to research optics)

Price: ~1400
Weight ~9lbs
Link Posted: 2/13/2019 6:34:03 PM EDT
[#30]
I just loaded some test ammo in my rifle (haven’t fired it yet) and the bolt is very difficult to pull back after a round is seated.

They also seem like they’re not seating all the way.

I had to smack the charging handle with a 2x4 to get the BCG to come out of battery (assuming it was fully seated to begin with.

Is this something that a few rounds should work out when breaking the rifle in?

ETA: the rifle specs are above on this page.
All Aero except the BA Barrel (who makes Aero barrels) and a Toolcraft BCG.
Link Posted: 2/13/2019 8:30:07 PM EDT
[#31]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I just loaded some test ammo in my rifle (haven’t fired it yet) and the bolt is very difficult to pull back after a round is seated.

They also seem like they’re not seating all the way.

I had to smack the charging handle with a 2x4 to get the BCG to come out of battery (assuming it was fully seated to begin with.

Is this something that a few rounds should work out when breaking the rifle in?

ETA: the rifle specs are above on this page.
All Aero except the BA Barrel (who makes Aero barrels) and a Toolcraft BCG.
View Quote
Should work itself out after the first round...immediately proceeding the catastrophic failure, e.g. rifle explosion.

Did you confirm that your ammo is loaded to the correct OAL and that you are using the correct bullet diameters?  Is the barrel stamped with the correct caliber?
Link Posted: 2/13/2019 9:45:22 PM EDT
[#32]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Should work itself out after the first round...immediately proceeding the catastrophic failure, e.g. rifle explosion.

Did you confirm that your ammo is loaded to the correct OAL and that you are using the correct bullet diameters?  Is the barrel stamped with the correct caliber?
View Quote
Responses like this make me question why I visit this forum, but remind me of why I have such a low post count over the past 10-Years.

To answer your patronizing questions; yes, I am attempting to use the correct ammunition in the weapon, and the markings on the barrel match the label on the box.
Link Posted: 2/13/2019 10:33:22 PM EDT
[#33]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Responses like this make me question why I visit this forum, but remind me of why I have such a low post count over the past 10-Years.

To answer your patronizing questions; yes, I am attempting to use the correct ammunition in the weapon, and the markings on the barrel match the label on the box.
View Quote
Not being patronizing...trying to discern what the exact issue may be.  You said you "loaded some test ammo", which to many people on this board is reads "I hand loaded a few rounds for my rifle".  Also, you stated "They also seem like they’re not seating all the way." Thus, I asked if you verified the Over All Length of the ammo, along with verifying that the bullet you used was the correct diameter.  Both issues would easily explain your problem, as you described it.

Next, I asked to make sure the barrel you installed was indeed the caliber you ordered.  Since you didn't specify whether your build is a 308 or 6.5 Creedmoor (or one of several other possible calibers), another possible issue is that whomever you ordered the barrel from sent you the wrong caliber.  I have ordered barrels in the past, only to receive the wrong caliber.

Since I now understand that you are using factory built ammunition, I would suggest you use/purchase/borrow a 308 Winchester Go/No Go gauge.  The issue you describe is not normal, and could easily cause the catastrophic failure of the rifle.  Also, double check the head stamp on the round to ensure it is 308 Winchester, and not something like 308 Norma.
Link Posted: 2/13/2019 10:46:35 PM EDT
[#34]
I retract my last, you are a scholar and a gentleman.
Link Posted: 2/13/2019 11:18:33 PM EDT
[#35]
No worries.

Is the BCG from Aero?  Work is they can have head spacing issues.  If you have access to another bolt, you could try that in your bolt carrier as see if the issues is replicated.  If it happens again with a different bolt, there may be something wrong with the barrel extension tolerances of that particular barrel.

Maybe try another type of ammo?  Different Manufacturer?  There can be head space issues between 308 Winchester and 7.62x51, also.
Link Posted: 2/14/2019 3:10:18 AM EDT
[#36]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I just loaded some test ammo in my rifle (haven’t fired it yet) and the bolt is very difficult to pull back after a round is seated.

They also seem like they’re not seating all the way.

I had to smack the charging handle with a 2x4 to get the BCG to come out of battery (assuming it was fully seated to begin with.

Is this something that a few rounds should work out when breaking the rifle in?

ETA: the rifle specs are above on this page.
All Aero except the BA Barrel (who makes Aero barrels) and a Toolcraft BCG.
View Quote
All that other stuff aside (I'm not gonna rehash that argument above)...

My M5E1 6.5 Creedmoor build also has a BA barrel and BCG. What I discovered is that BA left the corners on the barrel extension lugs quite sharp, with no chamfering. And it was making the bolt bind up, and it took both hands pulling back on the CH to get it to open with a round in the chamber. It was even leaving scratches on the necks where the brass came into contact with the extension upon extraction.

So I carefully took a file and took the sharp edge off of the lugs. This allowed the bolt to cycle much easier. The extension lugs still leave their mark on the brass, but not nearly as bad as before.
Link Posted: 2/14/2019 7:56:08 AM EDT
[#37]
Sorry for derailing this thread...

@quietm, I will try some different ammo and see if that makes a difference (I was using XM80C originally), unfortunately I only have one bolt and no access to another.

@Gone_Shootin, I’ll take a look at the extension lugs, as this sounds like the same problem I’m having.

——————-
A round will fully seat in the chamber with the BCG out, and the extractor dosnt seem to be overly stiff and works fine on a round when removed from the rifle.

Maybe I just need to clean/polish up some of the barrel.
Link Posted: 2/14/2019 8:49:22 AM EDT
[#38]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Sorry for derailing this thread...

@quietm, I will try some different ammo and see if that makes a difference (I was using XM80C originally), unfortunately I only have one bolt and no access to another.

@Gone_Shootin, I’ll take a look at the extension lugs, as this sounds like the same problem I’m having.

——————-
A round will fully seat in the chamber with the BCG out, and the extractor dosnt seem to be overly stiff and works fine on a round when removed from the rifle.

Maybe I just need to clean/polish up some of the barrel.
View Quote
I seem remember this same issue earlier in the thread. That's where I got the idea to check for sharp edges. They aren't really a burr either, just cut very sharply, or at least as sharp as a 45° angle can get.

And you're not derailing the thread. It's an issue with a barrel that's commonly used with these builds. Folks need to know.
Link Posted: 2/14/2019 9:03:45 AM EDT
[#39]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

All that other stuff aside (I'm not gonna rehash that argument above)...

My M5E1 6.5 Creedmoor build also has a BA barrel and BCG. What I discovered is that BA left the corners on the barrel extension lugs quite sharp, with no chamfering. And it was making the bolt bind up, and it took both hands pulling back on the CH to get it to open with a round in the chamber. It was even leaving scratches on the necks where the brass came into contact with the extension upon extraction.

So I carefully took a file and took the sharp edge off of the lugs. This allowed the bolt to cycle much easier. The extension lugs still leave their mark on the brass, but not nearly as bad as before.
View Quote
I just finished a build and noticed mine is doing this. Not tearing up the neck as much, just have to use two hands on the charging handle
Link Posted: 2/14/2019 9:17:46 AM EDT
[#40]
@JoeMal, what barrel are you using?

I just opened a ticket with Ballistic Advantage’s customer service, we’ll see what they say. I’d prefer to have the manufacturer fix the issue if possible.
Link Posted: 2/14/2019 9:54:14 AM EDT
[#41]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
@JoeMal, what barrel are you using?

I just opened a ticket with Ballistic Advantage's customer service, we'll see what they say. I'd prefer to have the manufacturer fix the issue if possible.
View Quote
BA Premium 22" 6.5 Creedmoor
Link Posted: 2/14/2019 10:13:33 AM EDT
[#42]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
BA Premium 22" 6.5 Creedmoor
View Quote
That's the exact same barrel I have.

Repost of a pic of the build:
Link Posted: 2/14/2019 10:25:56 AM EDT
[#43]
That picture makes me wish I would’ve gone with FDE.
Link Posted: 2/14/2019 10:48:17 AM EDT
[#44]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
That picture makes me wish I would've gone with FDE.
View Quote
Rattlecan is cheap and easy
Link Posted: 2/14/2019 12:30:40 PM EDT
[#45]
I already got a response back from BA’s Customer Service.
They told me to go ahead and send them the whole upper so they could take a look at it!
Link Posted: 2/14/2019 1:10:05 PM EDT
[#46]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I already got a response back from BA's Customer Service.
They told me to go ahead and send them the whole upper so they could take a look at it!
View Quote
Bleh. What a pain

I'm going to shoot mine a bit once I get it scoped and see how things go. Maybe by then you'll have a response back about what they did

So you're sending the upper, rail, gas block, muzzle device, etc?
Link Posted: 2/14/2019 2:04:37 PM EDT
[#47]
how do you guys like that heavy 22" BA 6.5cm barrel?  I just ordered the complete upper from aero on sale.  I'll swap the gas block to adj but curious about the barrel??????
Link Posted: 2/14/2019 2:09:58 PM EDT
[#48]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Bleh. What a pain

I'm going to shoot mine a bit once I get it scoped and see how things go. Maybe by then you'll have a response back about what they did

So you're sending the upper, rail, gas block, muzzle device, etc?
View Quote
I’ll be sending the entire thing, to include the BCG and CH.

I’m assuming it won’t take them too long to get it sorted out, and I’m pretty impressed with how quickly I got a response about this problem.
Link Posted: 2/14/2019 2:11:46 PM EDT
[#49]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
how do you guys like that heavy 22" BA 6.5cm barrel?  I just ordered the complete upper from aero on sale.  I'll swap the gas block to adj but curious about the barrel??????
View Quote
I haven't shot mine yet, but you can find lots of reviews online

They guarantee moa with match ammo. So they stand by it... Send it back if it's not accurate
Link Posted: 2/14/2019 5:54:16 PM EDT
[#50]
You're confusing M5 (threaded), and the M5E1 (forged in handguard mount)
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