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Posted: 1/29/2023 9:08:35 PM EDT
[#1]
Build one with an 18" barrel. 16" wastes too much powder. Problem solved.
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Posted: 1/29/2023 9:13:18 PM EDT
[#2]
My 16” .308 is one of my favorite guns. You should definitely do it.
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Posted: 1/29/2023 9:14:01 PM EDT
[#3]
Quote HistoryQuoted: Build one with an 18" barrel. 16" wastes too much powder. Problem solved. how much velocity loss are we talking for the same round out of a 16" vs. 18"? |
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Posted: 1/29/2023 9:14:21 PM EDT
[#4]
Quote HistoryQuoted: My 16” .308 is one of my favorite guns. You should definitely do it. Pics? Need inspiration... |
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Posted: 1/29/2023 9:14:21 PM EDT
[#5]
i am trying to decide between this and an 8.6 blk for an upcoming trip to alaska.
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Posted: 1/29/2023 9:15:11 PM EDT
[#6]
Quote HistoryQuoted: i am trying to decide between this and an 8.6 blk for an upcoming trip to alaska. I kicked around an 8.6 but I could only shoot it once through my .30 can. Lol. |
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Posted: 1/29/2023 9:15:33 PM EDT
[#7]
Quoted: I have a YHM QD .30 Phantom suppressor sitting in my safe unused and I'm kicking around building a smallish AR10 in .308 for shits and giggles. I've spec-ed out an Aero M5 receiver set and their 15" Atlas rail, a Toolcraft dual ejector BCG, and a Faxon Big Gunner profile, 16" barrel. I can't decide if I want to go w/ a fixed A1 stock or something collapsible. Someone talk me off this ledge... Sorry OP. My 16" AP M5E1 is my favorite rifle. I say jump off that ledge. |
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Posted: 1/29/2023 9:16:03 PM EDT
[#8]
Quote HistoryQuoted: how much velocity loss are we talking for the same round out of a 16" vs. 18"? About 50 fps mv. I prefer 16" for my use. |
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Posted: 1/29/2023 9:16:15 PM EDT
[#9]
18" is 2 better. Use the extra money on 155 AMAX.
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Posted: 1/29/2023 9:16:15 PM EDT
[#10]
I like the Ruger SFAR.
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Posted: 1/29/2023 9:16:34 PM EDT
[#11]
Why would I try and talk you out of such a thing? Fuckin do it!
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Posted: 1/29/2023 9:17:30 PM EDT
[#12]
build it in 260 rem or 6.5 creedmoor. same basic round size, much better ballistics
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Posted: 1/29/2023 9:17:36 PM EDT
[#13]
If you have a good quality suppressor, a 308 sbr is not a bad option if you're willing to reload and tune the gas and buffer systems
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Posted: 1/29/2023 9:18:28 PM EDT
[#14]
OP, get an LMT and use whatever barrel you want, when you want.
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Posted: 1/29/2023 9:19:17 PM EDT
[#15]
No. Easily one of my favorites
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Posted: 1/29/2023 9:20:03 PM EDT
[#16]
This is my 16" and 10". The 10" is way more fun.
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Posted: 1/29/2023 9:20:24 PM EDT
[#17]
Tag, I've been considering something like this for a while now, and have been researching receiver sets and trying to decide if I should piece one together, or drop a couple grand and buy a pre-made one...
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Posted: 1/29/2023 9:20:37 PM EDT
[#18]
Don't build one, just buy a Ruger SFAR.
It handles MUCH better than a standard large frame and you'll want the weight savings with a suppressor on the end. |
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Posted: 1/29/2023 9:21:40 PM EDT
[#19]
Quote HistoryQuoted: OP, get an LMT and use whatever barrel you want, when you want. This. I have the LMT pinned 13.5”. Fire breather. |
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Posted: 1/29/2023 9:23:31 PM EDT
[#20]
Quote HistoryQuoted: Pics? Need inspiration... Quote HistoryQuoted: Quoted: My 16” .308 is one of my favorite guns. You should definitely do it. Pics? Need inspiration... 16" Armalite AR-10B with YHM .30 ULT.  Attached File |
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Posted: 1/29/2023 9:23:38 PM EDT
[#21]
Build a 12 in pistol...
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Posted: 1/29/2023 9:23:45 PM EDT
[#22]
I treat my 16" AR10 like an AK.
x51 > x39 
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Posted: 1/29/2023 9:24:32 PM EDT
[#23]
I’ve got a 16” with a meh barrel, eventually want to drop a better, longer barrel and buffer setup in it to see what it can really do.
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Posted: 1/29/2023 9:24:56 PM EDT
[#24]
Quote HistoryQuoted: Build one with an 18" barrel. 16" wastes too much powder. Problem solved. I love my 16" .308  Attached File |
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Posted: 1/29/2023 9:25:18 PM EDT
[#25]
Quote HistoryQuoted: Pics? Need inspiration... Quote HistoryQuoted: Quoted: My 16” .308 is one of my favorite guns. You should definitely do it. Pics? Need inspiration... 
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Posted: 1/29/2023 9:25:45 PM EDT
[#26]
Don’t build a 16 inch .308 AR10
Build a 10 inch .308 AR10 sbr instead |
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Posted: 1/29/2023 9:26:26 PM EDT
[#27]
Talk you out of a 16-inch .308? Okay, go 14.5-inch instead.
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Posted: 1/29/2023 9:26:32 PM EDT
[#28]
My 13.5” AR-10 is one of my favorite guns.
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Posted: 1/29/2023 9:29:00 PM EDT
[#29]
Talk you out? This is ‘Merica. Build it for the Hell of it!
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Posted: 1/29/2023 9:31:26 PM EDT
[#30]
Quote HistoryQuoted: Build one with an 18" barrel. 16" wastes too much powder. Problem solved. This. It is not so much power lost as it is muzzle blast if you ever have to shoot it without hearing protection / suppression. The difference is VERY VERY noticeable. Goes from painfully loud (18 inch) to HOLY FUCK THAT FUCKING HURTS loud (16 inch) |
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Posted: 1/29/2023 9:33:58 PM EDT
[#31]
Do you already have .308/7.62x51 ammo and/or reloading supplies already?
I like cartridge interchangeability but depends what you already own. YMMV. |
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Posted: 1/29/2023 9:34:50 PM EDT
[#32]
Quote HistoryQuoted: I like the Ruger SFAR. You didn't build that |
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Posted: 1/29/2023 9:38:13 PM EDT
[#33]
Had a P/W 16" .308 and it was a solid rifle....... after figuring out the gas adj, spring weight, and buffer weight. Ran fine afterward suppressed and unsuppressed.
Still have a 18" and a 12.5". Those actually run well and required less fussing with weights and gas adj.   |
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Posted: 1/29/2023 9:38:34 PM EDT
[#34]
Definitely don’t do it
Build a 12.5” with Thermal instead 
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Posted: 1/29/2023 9:39:41 PM EDT
[#35]
Quote HistoryI agree! I built one, tried to do another but 14.5" barrels are damn hard to find! |
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Posted: 1/29/2023 9:42:12 PM EDT
[#36]
Do it. Just rattle canned my 16” 308.
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Posted: 1/29/2023 9:43:41 PM EDT
[#37]
I like shooting my 16" Aero, but not as big of a fan of carrying it. It's about 13 lbs with the can on it and a 10 round mag. Could be worse, but if I was doing it over again, I'd have gone lighter on everything to drop a few lbs. It's fine for a while, but I was definitely ready to put it down after carrying it hunting for the day. I can't talk you out of it, because they're fun rifles, as long as you don't mind the weight.
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Posted: 1/29/2023 9:44:31 PM EDT
[#38]
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Posted: 1/29/2023 9:44:46 PM EDT
[#39]
Barrels are like women. Under 18? Leave it the fuck alone.....
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Posted: 1/29/2023 9:44:53 PM EDT
[#40]
Sorry to go against the tide. But rifle cartridges deserve rifle length barrels. Unless it’s just a fashion statement.
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Posted: 1/29/2023 9:45:13 PM EDT
[#41]
Main issue I had with mine was muzzle blast.
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Posted: 1/29/2023 9:48:26 PM EDT
[#42]
Quote HistoryQuoted: My 16” .308 is one of my favorite guns. You should definitely do it. I'm here! My 16in 308 has been absolutely fantastic. Great shooter, soft recoil and a great hunter. |
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Posted: 1/29/2023 9:50:58 PM EDT
[#43]
My 16" Aero precision lives in my truck.
Trying to get an SFAR to replace it with. |
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Posted: 1/29/2023 9:51:15 PM EDT
[#44]
Get the aero bcg instead of the toolcraft. It is ramped and will fit the lower receiver better.
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Posted: 1/29/2023 9:53:13 PM EDT
[#45]
Quote HistoryQuoted: build it in 260 rem or 6.5 creedmoor. same basic round size, much better ballistics This. For the weight of the rifle, might as well add more legs. |
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Posted: 1/29/2023 9:56:11 PM EDT
[#46]
Quote HistoryQuoted: I kicked around an 8.6 but I could only shoot it once through my .30 can. Lol. I mean, technically once you send an 8.6 round through it, it will be an 8.6 can. Problem solved, problem staying solved |
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Posted: 1/29/2023 9:57:09 PM EDT
[#47]
Quote HistoryQuoted: About 50 fps mv. I prefer 16" for my use. Quote HistoryQuoted: Quoted: how much velocity loss are we talking for the same round out of a 16" vs. 18"? About 50 fps mv. I prefer 16" for my use. Depends on the load. OP said talk him out of a 16 in. I'm trying. We still want him to build something. 
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Posted: 1/29/2023 9:57:09 PM EDT
[#48]
Quote HistoryQuoted: Get the aero bcg instead of the toolcraft. It is ramped and will fit the lower receiver better. Is the ramp better than the dual ejectors? When I built a precision AR10 in 6.5CM, the dual ejector was THE thing that supposedly helped it run. |
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Posted: 1/29/2023 9:57:33 PM EDT
[#49]
Get a SFAR or ROGUE.
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Posted: 1/29/2023 9:58:06 PM EDT
[#50]
16" is my favorite length in a semi-auto .308. You lose less than 100 fps from an 18 and less than 150 fps from a 20" but you gain a handier rifle. Even better if you can find a rifle length gas barrel. My M5 build will have a Criterion whenever I get around to finishing it.
 My 716i with a Dead Air Sandman S, Dead Air 3 prong, Kahles K16i, Nightforce 1.375" Unimount, SSA-E, B5 SOPMOD Bravo, H3 buffer and Ergo Grip. Without the can it weights all of 9lb 7 ounces. Optic and mount combo weighs about 22 ounces putting the rifle without optic at around 8lb 1oz; with the stock H2 buffer it's 8lbs on the money. Ruger SFAR is supposed to be 6lb 13 oz. Never once did I think "Gee I wish rifle weighed 1lb 4oz less" when when I carried it last hunting season climbing canyons for miles and miles. If anything the can was the biggest annoyance when scrambling canyons or pushing through scrub oak, took it off more than once for those instances due to the length. The 716i was the lightest rifle in my party because everyone else had traditional bolt guns with heavy glass. "Don't be a bitch" applies. |
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