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I thought I wanted an AR based 308...

Discussion in 'Rifle Country' started by gspn, Aug 3, 2012.

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  1. gspn

    gspn Member

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    I thought I wanted an AR based 308...but now that I'm looking for one I'm seeing so many variations that I think I have "analysis paralysis".

    So many people make them but the 308 segment lacks the parts/accessory interchangeability of the 5.56 market.

    Seems like everyone uses a different mag, everyones lowers use different parts, and prices are all over the place.

    Is there a good resource out there that sums up the differences or pro's and con's of the multitude of models out there?
     
  2. A-FIXER

    A-FIXER Member

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    Food for thought...... Fal!!!!
     
  3. mjsdwash

    mjsdwash Member

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    i agree, FAL. The ar's are good, and i love them in 5.56, but they seem a little fragile for something that heavy and expensive. I thought I saw one that took Fal mags, may have been rra.
     
  4. mberoose

    mberoose Member

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    ARs are overrated anyways.

    -runs away-
     
  5. 06

    06 Member

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    May just be me but that Aluminum chassis and small pin seems a bit light for pushing heavier loads accurately.
     
  6. BBQLS1

    BBQLS1 Member

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    I don't know much about ARs, but I do know they are lighter than a FAL.
     
  7. JHenry

    JHenry Member

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    i think rock river arms makes one that accepts FAL mags. And while the AR-10 doesnt host the same amount of aftermarket parts as its 223 counterpart there is still a wide range to choose from.

    Whatever you decide on just be sure to read alot on whichever product your thinking about. Both positive and negative
     
  8. -v-

    -v- Member

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    Most important question: How much are you willing to spend and what do you want to do with it?
     
  9. Big_E

    Big_E Member

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    There is also the PTR-91, M1A and SCAR-17.

    The lack of proprietary parts does discourage me from investing in a AR-10 platform. Maybe in the future the market will be more standardized based on how the M110 does in the military.

    If I was building a precision rifle, I'd go M1A or PTR. For a plinker/"battle rifle" I'd go with a SCAR or FAL. Or PTR GI, or M1A, or 308 Saiga... or :)

    **Or you could go with whatever company can use the .308 PMAG. Which I believe is Knight's or DPMS I think.
     
  10. Cal-gun Fan

    Cal-gun Fan Member

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    Armalite is making ones that take the PMAG now too, I think.
     
  11. rcmodel

    rcmodel Member in memoriam

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    The small pins and aluminum upper & lower do nothing but hold the stressed steel parts together in one bunch.

    None of them are stressed parts on the AR design.
    The steel bolt and bolt carrier take all the strain when locked in battery inside the steel barrel extension.

    rc
     
  12. gspn

    gspn Member

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    My thoughts are that the rifle would perform several roles. The first would be as a gun with more reach and punch that the 5.56 (I have several of those already).

    I'd do some target shooting, some hunting (deer and hog), and it would also be a backup in case of a New Orleans type civil unrest incident...just in case you had to be on your own for a week or so.

    I started thinking of the AR platform because the knowledge transfers from one gun to all the others...the manual of arms would be identical.

    I'm not married to the idea...I just thought that would be a good place to start.

    Ideally I'd spend between 1k and 2k on the rifle...optics would be an additional expense later. I could spend more if it would get me a lot more functionality...but I don't want to spend more just to up the "cool factor".
     
  13. Infidel4life11

    Infidel4life11 Member

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  14. gspn

    gspn Member

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    Nice timing...I just bought one of their 5.56 rifles earlier this week. I haven't even had a chance to shoot it yet. It's nice to see a vote of confidence on the rifle...I'll check out their 308 too.
     
  15. Dean1818

    Dean1818 Member

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    I went through the same process, as I wanted a AR in 308

    After careful research, I purchased a Bison armory lower and LPK
    With gieselle trigger to build.

    Its in 6.8 (Bison is one of the leaders in the 6.8 field)

    Why?

    1) the AR15 is MUCH easier to build

    2) the AR15 will end up being 2 plus pounds lighter, vs a 308 AR
    (important when you hunt)

    3) the AR15 platform allows me extreme flexibility as I can put a 5.56, 6.8, 22LR, and other caliber
    uppers on the lower

    The 308 AR gives me almost no options

    4) 6.8 is easy on brass and reloaders are getting 6-12 loadings

    5) tula ammo is coming out with plinking ammo in 6.8 in 2013

    6) 6.8 isnt a 308 in power (about 80% of) but will still have terminal velocity at 350 yards.
    I wouldnt shoot that far anyway. (in north texas a 200 yard range, or a shot at a animal at over
    200 yards is rare.)


    So.... My path is 6.8
     
    Last edited: Aug 3, 2012
  16. TonyAngel

    TonyAngel Member

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    If the civil unrest part of your requirements is playing any sort of major role in this purchase decision, you're getting the wrong weapon. The rifle is too big and bulky and the ammunition weighs too much and takes up too much space.
     
  17. justice06rr

    justice06rr Member

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    The only compatible parts you can really interchange are accessories like sights, flashlights, etc.

    If you really wanted a 308 I would recommend the SCAR-17. Otherwise, if you want to stick with the AR15 platform you have many many caliber options besides the 308.
     
  18. rayatphonix

    rayatphonix Member

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    6.5 Grendel is another option. Somewhat better ballistics than a 6.8 if you think longer shots may be required. 200 yards and under, there's no advantage over the 6.8. I've got an AR 10 and while it's great for several activities, walking through the woods isn't one of them. My next purchase will be a Grendel upper so I can hunt deer with an AR platform rifle.
     
  19. madcratebuilder

    madcratebuilder Member

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    There are different uppers/lowers, the bolt release and mag catch can be proprietary. Several magazines used, G3, FAL, M14 and SR-25. The SR-25 is the defacto standard with ArmaLite, CMMG, LMT, KAC, DPMS and others using them.

    The lightest 7.62 AR's are just under 8lbs in A2 configuration. Scoped with accessories can be up to 12lbs. They are the most accurate semi rifle you are likly to encounter, My 21" N6 easily out shoots my NM M1A.

    This FAQ well show the differences in the uppers/lowers, RE's and other parts. While it's mainly for the AR-10 it does cover the others to a point. Of all the 7.62 and 30.06 gas guns I have, the AR-10/N6 is the most comfortable to shoot. The new ArmaLite AR-10A uses SR-25 mags and has a life time warranty, starts at $1500.
     
  20. velocette

    velocette Member

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    My DPMS LR 308B which I've had for about 5 years is the most accurate rifle I own. Easily sub MOA with decent ammo, 5 rd 100yd groups that you can cover with a nickel if I do my part. In the 5 years, it has never jammed, failed, or had any part break, wear or be replaced. Now about 2000 rds downrange. Including the scope, I have about $2000.00 invested, some of the best money I have ever spent on a firearm. Ordered from the factory with a cryo barrel, JP trigger & JP adjustable gas block. The only modification I have done is to install a Magpul MOE+ pistol grip.

    Roger
     
  21. kestak

    kestak Member

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    Greetings,

    I may be of some help.
    If you want to go cheap and roll the dice, CETME is a choice. SAIGA is another choice and should function better than the CETME overall. If you want reliability and decent pricing, the PTR91 sold by CDNN around 950$ is great for the money.
    M1A is a great semi-auto in 308. If you want to use iron sights.

    AR-based, I look at a lot of them and it was my last buy. I read too many people complaining about DMPS. RRA LAR-8 is great but they have many proprietary parts. CMMG not bad, but read some horror stories too. It is why I decided to go with LMT MVS models. Nowhere I read people having issues and the accuracy is great.

    Thank you
     
  22. kcshooter

    kcshooter Member

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    I thought Armalite was the "other" pattern?


    I've got an LR 308, and I've also had no issues whatsoever with it, run factory, CProducts, and Magpuls magazines without fail, and find it's accuracy to be much better than I expected out of a semiauto AR pattern rifle. Softer recoil than expected too.

    I had a PTR that I absolutely despised, wasn't as accurate, much more recoil, and just a disgusting mess to clean, dirtiest rifle I ever had and left the marks from the fluting on all my brass.
    I'd consider an M1A, but I don't like a lot of the scope mounting options. The FAL weighs a lot and also recoils more, but an iconic rifle.
     
  23. -v-

    -v- Member

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    The SR-25 standard is what everyone seems to be moving towards. While the ability to use FAL/M14 magazines was a big plus 8-10 years ago, that is not the case today with magpul making SR25 PMags.

    For a $1k-2k range, I would personally go with an Armalite AR-10A ($1.5k). If this is going to be a rough use rifle, I think either a chrome-lined or a stainless barrel is a biiig plus. One other plus is the rifle is 7.75lb - right in the same range as an AR15.

    CMMG's offering looks nice too, but I am unsure if the CHF barrel is also chrome lined. You may want to email them about it.

    Now, not to discount DPMS's offerings, their LR308 RECON looks like a sharp rifle as well. Comes with a stainless barrel, but it is about a pound heavier then the AR-10A, conversely, should be $100-200 cheaper too. DPMS's LR308 line seem to be much superior to their regular offerings as far as fit and finish. Fair disclosure I have their 16" LR308 offering and am very pleased with it. Just give the chamber a good cleaning after running Russian steel cased before going back to brass.

    On the debate of 20" vs 18" vs 16". Loading a 16" with 180gr pills, they will stay super-sonic out to 900-1000 yards, although your come-up at 1000 is going to be almost 500 inches (!!). Myself? I'll take a handier over a longer rifle almost any day, and the loss of 200 yards of absolute range doesn't really bother me much.
     
  24. Robert101

    Robert101 Member

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    I think your original thought of wanting an AR based 308 is still valid. I made the choice of purchasing the DPMS Tac20 with Nikon glass. Did a trigger job and went shooting. Total package was less than $1,400 with 1MOA accuracy. The AR or LR rifles allow what is akin to plug and play on IBM computers ...... Interchangeability. You simply can't get that on the other platforms.
     
  25. Danco411

    Danco411 Member

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    I started in .308 AR' with a DPMS LR Sportical. Nice rifle at a good price. Very accurate and relatively light. I ended up swapping out almost everything... Fulton barrel, JP Vtac hand guard, Geissele trigger, PRS Stock.....everything except the receivers. It got much more accurate and much heavier! I ended up selling the receivers and got the Mega MATEN set. Beautiful and wicked accurate. I thought I would be happy with it but yor never done with AR's!

    I sold my Mega build and was looking at a Larue OBR or LWRC Reper when I stumbled on a POF P308 in Robar NP3 locally. Wow! The 16" short stroke piston system is as accurate as my Mega was and about 3lbs lighter. It's a Ferrari of rifles in the same class as Larue, LMT and LWRC in .308. Just short of KAC.

    Sorry but 6.8 and Grendel won't touch it. Creedmore and 260 will but you better hand load. I do hand load and my POF eats everything and is sub MOA out a long way with Hornady's A-Max bullets. Like anything you get what you pay for.
     
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