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The madness begins....my first AR15 build

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Rich B:
I'm also in the process of building a 3-gun rifle.

I'd skip the the cut down A2 rear sight.  If you put a scope on it in the future (ACOG or 1-4x are popular in 3-gun), it'll be in the way.  I'd get a folding rear sight like a Troy or even a Magpul MBUS.  I'll probably go with a set of Troy Battle Sights.

I purchased one of these for my 3-gun build:
http://www.midwayusa.com/viewproduct/?productnumber=431749

It's not installed yet, so I don't know how it shoots.  I specifically chose it because it's stainless and has a rifle-length gas system (DPMS has a pretty good rep for inexpensive stainless barrels with good accuracy).  The rifle-length gas system results in a milder recoil impulse which means less disruption to your sight picture.  Based on some reading I did, Zak Smith had a custom 3-gun rifle built (by MSTN, I think) with a 17" barrel w/ rifle gas.  Apparently 17" is the shortest you can go with rifle gas and still get excellent reliability.  I can't swing a custom 17" barrel, so 18" is the next step up.  I'm not kicking doors, so the extra 2" over a common 16" barrel hopefully won't be an issue.

I'd stick with a BCM BCG over LMT due to the MIM carrier key fiasco with LMT and their obfuscation surrounding the situation.

I had a Miculek comp and it worked well.  However, it was louder than hell and the muzzle blast was fierce.  I found it to be disorienting.  I sold it and the new owner likes it.  They're inexpensive to try.  I've had several people tell me the SJC Titan is THE BRAKE to have for 3-gun, but it's louder and blastier than the Miculek. 

I'm going with a Troy TRX Extreme float tube, rifle-length.  I get a full rail on top and can add smaller sections as needed.  It's a bit thinner in the hand than many traditional 4-rail guards.

I'm still not sure what kind of optic.  The one I want is the Burris XTR 1-4x, but with a LaRue mount it is over $700. 

I'm also not sure what kind of stock I'll use.  I have a black CTR in the safe that's not being used, but I like the looks of the new ACS.  Good reviews on it.  I'd also consider a Vltor Modstock or E-Mod. 

Undecided about buffer weight too.  I'll probably stick with a stock carbine buffer, assuming it's reliable. 

Don't forget to budget for tools or make friends with someone who has some.  I'm still waiting on some action blocks and an armorer's wrench that have been backordered for 3 months.  Other than that, I think I have everything including barrel nut grease, punches, and torque wrenches.   

bkoenig:
Thanks for the reply Rich.  The main reason I went with the A2 sight was because I wanted an elevation adjustable rear for CMP shooting.  I probably will replace it with some flip up sights and an optic of some kind eventually, though.  I got the sight cheap enough that it won't be a big deal to replace it down the road.

If I'm going to spend some money I'd really like the JP modular tube.  I don't really want a quad rail set up, and I like the looks of the JP.  I'll probably change my mind a dozen times before I actually buy though.

Dan W:
Madness is right... I just ordered a  Nikon Monarch 4-16x42 scope for varmints and a LaRue mount.

BTW Rich, my first rifle was, and still is, an RRA 1X9 twist 18" Govt profile, cut down and contoured for me by Adco Firearms. The Rifle gas system and Wylde chamber have been 100% reliable for me with any ammo including steel cased Wolf

bkoenig:
Ok, I just got my year end bonus for 2009 this weekend, and I am now debt free except for my mortgage.  No car payments, no credit cards, nothing.  So, to celebrate I'm going to buy a barrel.  I've settled on getting a White Oak since those seem to be a really good barrel for the money.  Now the only question is the 20" CMP or the 18" SPR barrel.  I'm leaning pretty heavily toward the 18" because I think it will be better for 3-gun.  It has a Wylde chamber and a rifle length or mid length gas system.  Any opinions?  I'll probably call them on Monday and order it.

Dan W:
It would be real madness to buy a Noveske 18" SPR with an  intermediate gas system that is ideal for the length.

http://www.pkfirearms.com/content/1/20/61/81




That would be crazy ...only $465 from PK Firearms

$535 from Noveske includes an  5.56mm shot peened MP tested bolt INSANE!!!

BTW congrats on the debt reduction.

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