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AR Builds -- What Parts Did You Choose and Why??

Discussion in 'Rifle Country' started by Mike1234567, Dec 2, 2013.

  1. GunnyUSMC

    GunnyUSMC Member

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  2. dcloco

    dcloco Member

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    GunnyUSMC - Have you tried one of the coated LPK's from Anderson?

    They are NOT a 3 lb trigger, but break rather nicely.
     
  3. GunnyUSMC

    GunnyUSMC Member

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    I have found three triggers that I like.
    For hunting, the LaRue MBT= $80
    A smooth duty trigger AGL ACT= $70
    For a nice duty trigger that breaks clean, the Hiperfire Heavy Gunner = $90

    If you shoot ammo with hard primers, the Hiperfire would be the one to go with.
     
  4. RavenTai

    RavenTai Member

    Joined:
    Dec 15, 2008
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    My first AR was a 20" bushmaster post ban very heavy barrel, from 1999, I figured out after I bought it that a 15 pound nose heavy AR is very annoying. When comparing to other AR's The accuracy gains from the HBAR were slight, but the weight was a huge penalty, and I won't do that again. An AR should be light and manuverable. Heavy guns should be either bech rest bolts or fire something larger than .22 cal. I was missing the benefits of the design.


    Later in 2013 I tried again, I wanted compact as possible, reliable and lightweight, without much else, for home/property defence most likely at night. And I wanted a bayonet lug, not because I want to put a knife on a gun but because I don't want to be told I can't. And besides a bare crown just looks wrong an an AR.

    Upper is a complete BCM mid length pencil barrel, basic plastic magpul fore-end with about 1.5" of plastic rail for a compact pistol style flashlight with a switch at my support hands thumb. Rear sight is a magpul plastic flip up.

    Mid length becuase carbine length gas system is for 14.5" barrels, and over gasses on a 16" you can work arround it with tuning, heavier buffers and gas regulators etc, but imo just avoid all of that hassle and go mid length unless you want to pay the SBR tax.

    Lower was a spikes tactical I got in trade, works great.

    A one piece polymer lower/buttock would have saved more weight but it is the other end, muzzle weight is where it counts. It's not just total weight but ballance.

    Gun is good quality but not expensive
    regular milspec parts, forged receivers, the light weight and much better balance makes the gun nice to handle and move arround with, perfectly reliable, very accurate for the ranges I need (<100 yd)
     
  5. Shimitup

    Shimitup Member

    Joined:
    Feb 27, 2009
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    Location:
    Houston
    AeroAR556.jpg
    Well here' s my first build. Hope to get time to fire it soon, very basic. Trying to work on a tight budget everything was picked out over several weeks on pretty good sales, some really good sales actually. I just wanted a simple handy all purpose plinker.

    Aero upper and lower
    Magpul furniture
    Ballistic modern govt 16" mid had them mount the A2 sight
    CMMG lower parts
    PSA BCG on sale for $59 marked down from $149
    Not mounted yet is a budget red dot from Amazon called Feyachi, the dot flares a bit on the lowest setting, not sure I'm going to be happy with that, I'm open to suggestions for something better.
    Bonus is that Primary arms is 15 minutes away, they got a lot of my business.
     
    Last edited: Jan 23, 2020
  6. F-111 John

    F-111 John Member

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    Nice looking rifle. I like the green furniture, it's a welcome break from black and FDE.

    Question: Why did you go with a FSP and Delta Rings instead of a free float M-LOK handguard?
     
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  7. badkarmamib

    badkarmamib Member

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    Look at Vortex, Holosun, Sig Sauer, and Primary Arms for performance on a budget. Anything cheaper than these options will leave you disappointed, IMHO.
     
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  8. Shimitup

    Shimitup Member

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    Thanks, I think multiple things came into play, I like the olive drab myself. Price wise the MOE slim hand guard was hard to beat at $30 and I like both look and the feel of it in hand, I'm kind of partial to the simple traditional look as well.

    To answer badkarma, I suspect you're right, I'm second guessing the cheap red dot. For $50 to $70 more the Sig Romeo5 and Primary Arms dots seem to have a lot of happy customers.
     
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  9. Skylerbone

    Skylerbone Member

    Joined:
    Feb 5, 2010
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    5,137
    Location:
    Hawkeye East
    AR #7 parts staging, only minus the grip which is in transit.
    Anderson lower
    Anderson Whoops Kit (pins, detents, springs)
    ALG QMS fcg
    Kaw Valley carbine receiver extension with H2 buffer
    Strike Industries Extended bolt catch
    Black Rain magazine catch
    Phase 5 magazine release button
    Phase 5 trigger guard
    Phase 5 selector switch
    Phase 5 Ambi Battle Latch charging handle
    Ergo Grips 2 Cobalt Camo


    C31984F1-52F7-4458-A636-423F8C56E7BE.jpeg

    I chose Anderson for the lower because I’ve assembled 3 others without a hitch and I expect this one to be the same. I’ve used the QMS before and feel it's a good training trigger for younger shooters who aren’t overly familiar with target level sub-2 lb while working toward that goal. My pistol build wears a Kaw Valley extension/buffer and I have used several of their linear compensators. I intentionally ordered this one with the H3 buffer to swap with my pistol’s (5.56 with 7.5” barrel) H2 buffer since long term this rifle will be configured as a mid-length or rifle gas build for which an H2 should be fine.

    The SI extended bolt catch is a love it or hate it proposition, but I’ve tried several others and this one has been my favorite so far. The balance of the controls from Phase 5 are the same ones I used for my RRA Operator retrofit which look good and function well, and, as with most of the family’s ARs, the ERGO feels better in hand than the typical aggressive textured plastic ones.

    The color scheme was my daughter’s choice and her upgrade for yet another no absences, no tardys, straight A’s report card. Build should commence some time next week followed by a part 2, choosing upper components. As always this lower will be configured as a pistol first to keep things flexible after. More pictures upon completion.
     
    Last edited: Jan 27, 2020
  10. troy fairweather

    troy fairweather Member

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    Well mine is about done, it taken longer then it should. I don't have the budget to truly build it how I would want it, plus I live in ny so there's that.

    Big thanks to luke and loonwulf.


    IMG_20200122_184250.jpg


    upper receiver, aero precision
    Handguard, s&w m&p quad rail think it's 10'' from luke
    Barrel, 16'' BCA stainless hbar. Capped and pinned
    Bcg, mpi
    Lower, anderson
    Parts kit, cmmg
    Stock, thordsen frs-15 od
    Sights unknown make flipups. Red dot. Burris ff3 with ar mount, from loonwulf
    Slig, just trying if I'd like a one point.
     
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  11. Skylerbone

    Skylerbone Member

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    The follow up from Post #284. At present it is wearing my upper with Aero upper, Ballistic Advantage 16” middy pencil 1:7 twist nitride, Phase 5 15” M-LOK Low Pro Slope Nose handguard, KVP linear comp, and ToolCraft nitride BCG.

    Configured as a pistol with brace first.
    FD32E0DA-040D-4D21-8AE6-9C36C3B3CA0B.jpeg


    Recorded S/N (blacked out) for verification of pistol build.
    943A6CDE-876E-4330-9DDE-89F3C4CBACCF.jpeg

    And now a rifle with what may be the ideal upper for a 13 year old girl.
    3E70E307-008E-4DD1-BD61-5470196EF0C9.jpeg
     
  12. Shimitup

    Shimitup Member

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    OK with that big smile I kind of figured the second one was hers.
     
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  13. BSA1

    BSA1 Member

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    483F7D13-C15D-4549-B81E-DFDCFF981109.jpeg

    I finished this AR yesterday so I will show it off.

    Anderson Lower
    ALG Defense QMS trigger and hammer (l have found that I dislike the QMS. Fortunately @GunnyUSMC cleaned it up and made it usable for me. I now use ALG Defense ACT instead).
    VSeven Ultra Light Bolt Catch
    Mission First Tactical Stock and Grip

    Anderson Lightweight Smooth Side Upper
    16” Nitride 1 in 7” Pencil Barrel for .625 Gas Block
    Midwest Industries Low Profile Gas Block
    15” Free Float Handguard
    A2 Flash Hider

    Full Auto BCG from Aero Precision
    Expo Arms Standard Charging Handle

    SIG Romeo5 Red Dot Sight
    UTG Low-Profile Flip-up Front and Rear Sights because I do not trust batteries.

    I had a brief 50 round shooting session to function test and sight-in the Red Dot sight. Due to weather conditions I did not make a serious accuracy test. Likely going to be a few more months before I can do some serious accuracy testing.

    Initial impression is I really like out it turned out.
     
    Last edited: Feb 2, 2020
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  14. TonyAngel

    TonyAngel Member

    Joined:
    Feb 12, 2010
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    2,842
    I've built and repaired MANY AR-15s. Just make sure that you buy your parts from a reputable place. Don't skimp on the small parts kits. Don't just get what's cheap. Get good quality pins and springs. I usually get mine from Bravo Company, as well as my BCGs. Might as well get your gas tube and rings from them too. I've managed to burn through more than a couple of cheap gas tubes.

    Barrel- I used a 14.5" 1:9 twist Bushmaster because it's what I had. If you want something a step above in accuracy, I'd probably go with a Krieger. They've never disappointed. I would advise against any sort of bull barrel, unless this is going to be a bench gun and you want the weight for stability. A good barrel is a good barrel. A bad barrel is a bad barrel and making it fat and heavy isn't going to make it any more accurate. For a good, reasonably priced barrel, Palmetto has some nice options. Given a choice, I'd prefer a chrome lined barrel, but have never been too worried about whether it is cold hammer forged or not.

    Muzzle device- Levang linear compensator. It looked cool, it spits everything forward and it actually does a good job of helping to keep the muzzle down, although i admittedly don't understand how. It had enough meat on it that I was able to drill, tap it and put a set screw in it then welded over the hole for a permanent install.

    Handguard- Oddly enough, I went with a model 1 sales plain tube. It's actually pretty nice. I hate the feel of the "tactical" free float handguards. They are downright uncomfortable. The tube is very comfortable. I just drilled and tapped it and mounted sections of rail where I needed them. Honestly though, if I knew back then what I know now, I would have just gone with a conventional barrel nut and MOE furniture. A dissipator build is probably the most flexible.

    Upper- Daniel Defense. I chose this because I just had good experience with them. I've never had to face one off to make the barrel mounting surface square.

    Lower- Spike's Tactical just because I thought the red spider looked cool.

    Stock- Magpul UBR. Yeah, it's heavy, but it actually makes the rifle easier to carry and shoulder for extended periods. I am considering going back to plastic for the handguards. If I do that, the UBR is coming off.

    Trigger- What else, Geissele (did I spell that right?) SSA-E. It isn't overly light, it's crisp, it does what it's supposed to do. It's also fast. I've had my rifle checked by several range officers to see if I was running a burst trigger.

    Grip- Magpul MOE. It just feels good in my hand. I also like the storage. I keep a spare bolt in the Grip and a set of springs and pins in the stock.

    Buffer - I have the heavy buffer filled with tungsten from spike's. I don't remember what it's called. I've had it for years and, well, it's a buffer. It does a good job of buffing. I can't say that it does a better job than a regular buffer.

    Sight- Trijicon ACOG, TA44. Due to my handguard, I don't have open sights, so I wanted something that I was not likely to kill.
     
  15. bluejeans

    bluejeans Member

    Joined:
    Jan 25, 2015
    Messages:
    356
    Location:
    idaho
    Recently completed two 308’s. Here’s the one I sighted in today:
    CFDABCFB-2C3D-45D0-ABBC-62FDB8FFED4C.jpeg 844291DA-3591-4CE8-932B-5A0EFD09C4F8.jpeg

    Hellfire armory 308 80% lower.
    Hellfire armory billet upper which I cut the shell deflector off and milled a slot for the...
    Fulton armory side charging 308 bolt. NiB.
    BCA stainless fluted 308 barrel... cheapo piece incongruous with the rest of the build, I know... it shoots ok but will go by the wayside when I can spare change for a faxon barrel and the bca will be denoted to a cheap blaster.
    Odin gun works 15.5” keymod rail I got on sale.
    JP enterprises adjustable gas block.
    PSA buffer tube kit.
    Magpul carbine stock
    Hogue grip- my favorite. no finger grooves
    Primary arms 1-6 scope
    Timber creek 60* safety . Red. - an impulse purchase.
    Birdcage on the muzzle until I have time to whip something out on the lathe.
    Cerakoted upper/lower and barrel to “sniper gray”

    The idea behind this is with the side charging bolt carrier in conjunction with the adjustable gas block, is to have the option of turning off the gas and cycling rounds by hand if, for whatever reason, I don’t want the noise of the action cycling. So far (first 100 rounds) I’m really happy with it.
     
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