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SVT_Tactical
MODERATOR Chief Sackscratch Joined: December/17/2009 Location: NorthCackalacky Status: Offline Points: 31233 |
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Posted: February/22/2018 at 14:14 |
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Putting together an aero precision M5 set (https://swfa.com/catalog/product/view/id/178864/). Wanting to make sure I am on the right train of thought. I purchased a LPK for the M5 from aero minus the fire control and pistol grip. I have a barrel already from a buddy who bought a Ballistics Advantage 308 barrel then switched to creedmoor before firing the first shot. On the rest of the build...... my impression/knowledge is that the only 308 specific parts I'll need to finish will be -
The other parts can be from the AR15 platform/size
Anything I got screwy here? |
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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Handguard will need to be .308 handguard. The barrel nuts and barrel extension are much larger.
I just ordered a Aero M5 set on their presidents day sale one with the fitted handguard. Have plans to do similar. On my Mega MATEN set you could use a AR-15 tube, buffer and spring. Not sure on the Aero either, when mine arrives I plan to try the AR-15 tube and see if it works or not as I have several laying around. I really wanted to do a lightweight upper and lower, but the Aero is only 6 ozs heavier than the 2A armament with the handguard I would have chose with it. More than twice the price for 6 ozs was to hard to swallow. |
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Rancid Coolaid
MODERATOR Joined: January/19/2005 Location: United States Status: Offline Points: 9318 |
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I would do a 308 trigger, not an AR15 trigger, you can get bumpfires due to higher recoil. Timney makes AR10 triggers, I use those.
But people do use AR15 triggers in AR10s. Maybe you get lucky and get a full auto with no stamp. |
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SVT_Tactical
MODERATOR Chief Sackscratch Joined: December/17/2009 Location: NorthCackalacky Status: Offline Points: 31233 |
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I'd rather be on the safe side. I noticed a few triggers marked AR10 so I will look for one of those rather than take a chance |
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"Most folks are about as happy as they make their minds up to be" - Abraham Lincoln
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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I was mistaken on the spring and buffer. I was thinking I bought a AR-15 one, but mine is the JP AR-10 model. I jsut used ar AR-15 rifle tube.
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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SVT_Tactical
MODERATOR Chief Sackscratch Joined: December/17/2009 Location: NorthCackalacky Status: Offline Points: 31233 |
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Gotcha Its a bit cluttered with information out there on what is and isn't compatible..... Got to decide on a handguard now...... so many options |
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"Most folks are about as happy as they make their minds up to be" - Abraham Lincoln
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Chris Farris II
TEAM SWFA - Admin MODERATOR Joined: August/13/2007 Location: United States Status: Offline Points: 3196 |
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Handguard needs to be for AR-10, there are also different variants for height etc. so be careful there. Better to go ahead and get an AR-10 trigger. If you get Timney be sure to get anti walk pins they are notorious for the standard pins falling out after use. Aero sells a Carbine Buffer Tube & Spring Kit for the M5. https://aeroprecisionusa.com/m5-308-carbine-buffer-kit.html |
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Chris Farris II
TEAM SWFA - Admin MODERATOR Joined: August/13/2007 Location: United States Status: Offline Points: 3196 |
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You can build the whole thing virtually and look at available/compatible options on Gunstruction. They also have an app. It is very useful for this type of stuff.
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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I think this is an issue of people not tightening down the tension screws in the trigger housing and using the set screws. I ran two Timneys for years, still have one of them. I took the one I still have through several carbine classes and lots and lots of rounds and I have never had a pin come loose. They also come with a second set screw you tighten ontop of the tension screw so they cannot back out. I dare bet most of the problems on the net are people not following the instructions. I put a dab of blue locktite on my set screws and its never been an issue. Timney instruction video https://www.timneytriggers.com/videogallery/ar/how-to-install-a-timney-trigger-in-your-ar-rifle-28/ |
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
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SVT_Tactical
MODERATOR Chief Sackscratch Joined: December/17/2009 Location: NorthCackalacky Status: Offline Points: 31233 |
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Think I'm going to try a UBR on this one. Should just have to have a carbine buffer and spring for the 308AR
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"Most folks are about as happy as they make their minds up to be" - Abraham Lincoln
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SVT_Tactical
MODERATOR Chief Sackscratch Joined: December/17/2009 Location: NorthCackalacky Status: Offline Points: 31233 |
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most of the parts are on order now. hand guard and trigger are the only not decided yet.
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"Most folks are about as happy as they make their minds up to be" - Abraham Lincoln
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Rancid Coolaid
MODERATOR Joined: January/19/2005 Location: United States Status: Offline Points: 9318 |
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Carbon fiber fore is a good way to shed some weight out front, especially if it will be suppressed.
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SVT_Tactical
MODERATOR Chief Sackscratch Joined: December/17/2009 Location: NorthCackalacky Status: Offline Points: 31233 |
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It will be suppressed. looking at gas blocks and options to help with gas as well. Thinking the seekins adjustable will be ok. Only concern I have with the CF is the durability using a bipod RC, what CF one do you recommend? Not seeing one designated for 308AR Edited by SVT_Tactical - February/23/2018 at 12:37 |
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"Most folks are about as happy as they make their minds up to be" - Abraham Lincoln
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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The 12" Aero one is only 9.3 oz's. Lancer carbon fibers weight more than that.
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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Chris Farris II
TEAM SWFA - Admin MODERATOR Joined: August/13/2007 Location: United States Status: Offline Points: 3196 |
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I actually prefer the standard style aftermarket triggers like Geissele to the drop in but I have some CMCs and have had Timney before. |
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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CF2, you tried Elftmann yet? I am really liking the one I bought.
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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Chris Farris II
TEAM SWFA - Admin MODERATOR Joined: August/13/2007 Location: United States Status: Offline Points: 3196 |
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One day your life will flash before your eyes; Make sure it's worth watching.
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Rancid Coolaid
MODERATOR Joined: January/19/2005 Location: United States Status: Offline Points: 9318 |
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My only experience with a 308 carbon fiber is with a Lancer on a Sig716, but the longer rail weights about as much as the much shorter aluminum rail, and I like that. I haven't looked for AR10 fore ends, but I would, were I building a new one. On gas blocks, yes, get an adjustable. AR10s are notoriously overgassed.
Edited by SVT_Tactical - February/23/2018 at 15:30 |
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Freedom is something you take.
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koshkin
MODERATOR Dark Lord of Optics Joined: June/15/2004 Location: United States Status: Offline Points: 13182 |
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If you do not need too many rails, consider Brigand handguard.
ILya
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RifleDude
MODERATOR EVIL OPPRESSOR Joined: October/13/2006 Location: Texas Status: Offline Points: 16337 |
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+1 I just recently got the Elftmann 3-Gun curved version for my new ultralight Grendel build, and it’s a really nice trigger! I set mine for 2.5 lbs. |
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Ted
Money can't buy happiness... but it's much more comfortable to cry in a Porsche than on a bicycle. |
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