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2/13/2014 8:21:11 AM EDT
I am trying to build a light weight ar platform that perhaps has a future in 3 gun (something I would like to get into). I have built a few ar's before but they were mixing kits versus piecing everything together individually. If I could get some feedback on the build that would be great and suggestions if you think money would be better spent on other parts or something of that effect.

Parts list
Rock River lower <- preban and fixed point due to my state laws.
Battle comp 1.5 <- Free in a parts bin
Voodoo Ultralight barrel 16" 1:7 - $250
Aero Precision upper receiver no forward assist - $105
JP lmos BCG - $350
Syrac low profile adjustable gas block - $100
CAR fiberlite stock and buffer tube assembly $50
Geissele G2S - $175
Noveske keymod (maybe new bcm kmr keymod once it relases) - $250
(optic undecided)

Total proximate cost before shipping tax, any lpk needed - $1280

As you can see its a pretty light weight build. I estimate it should be under 7lb easily before optic, perhaps even teetering on 6.

EDIT - Fogot to include the rail
2/13/2014 8:27:35 AM EDT
[#1]
I would suggest you look at the SLR Rifleworks adjustable GB's before settling on the Syrac.   Also, what hand guards are you considering?
2/13/2014 8:33:11 AM EDT
[#2]
Thanks for the suggestion. the gas block was a weak spot for me. I just knew I needed one with a .625.

Sorry I edited that on after. Looking at a noveske keymod rail system. basically trying to get the lightest modular system without going into things such as carbon fiber.
2/13/2014 8:44:12 AM EDT
[#3]
Then while you're looking at the SLR GBs, take a look at their hand guards.  I have the Solo Lite 15" and it's only nine ounces...
2/13/2014 9:50:55 AM EDT
[#4]
How do you like your rail?  The idea of a cheaper rail thats longer and lighter and can save on shipping sounds like a win to me.
2/13/2014 10:12:36 AM EDT
[#5]
I'm still waiting for my barrel to complete this build, but the fit, feel, and finish are great...
2/13/2014 11:44:21 AM EDT
[#6]
also if any of you guys have any opinions on the jp lmos systems I would really appreciate feedback. Its really hard to find review information on them and if they are worth the investment as you could probably save about $250 by going with a standard bcg but it would cost about 3oz as well to do so.
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